John E. McCray

List of Publications

Graduate-Student or Post-Doctoral Student Authors are Underlined

Textbooks (1)
Lee, K., Fetter, C.W., McCray, J.E., 2002. Hydrogeology Laboratory Manual, 2nd Edition, Prentice Hall,
Upper Saddle River, NJ.
Manuscripts or Books in Review or Preparation: (12)
Herzog, S., Higgins, C.P., McCray, J.E., 2015. Biohydrochemical enhancement structures for
stormwater treatment (BEST): Induced hyporheic flow and potential for enhanced contaminant
biodegradation, submitted to ASCE J. Environmental Engineering.
Bearup, L., Maxwell, R.M., McCray, J.E., 2015. Mixing analysis of hil slope response to land cover
change: an integrated model of chemical hydrograph separation, submitted to Water Resour. Res.
Kopytkovskiy, M., Geza, M., McCray, J.E., 2015. Climate-Change impacts on water resources and
hydropower potential in the Upper Colorado River Basin, submitted to J. Hydrology: Regional Studies.
Cameron, D., Knight, R., Regnery, J., McCray, J.E., 2015. The use of a geostatistical method to
characterize flow paths at an aquifer recharge site, submitted to Ground Water.
Guelfo, J.L., Wunsch, A., McCray, J.E., Higgins, C.P. 2015. Transport potential of perfluoroalkyl Acids
(PFAAs) at AFFF-impacted sites: Column experiments and modeling, submitted to J. Contam. Hydrol.
Ruybal, C.J. Digiulio, D.C., Wilkin, R.T., Hargrove,K.D., McCray, J.E., A rapid screening apparatus to
detect methane in ground water during purging, in preparation for Environ. Sci & Technol.
Shelton, J.L., McIntosh, J.C., Warwick, P.D., McCray, J.E., Comparing crude oil biodegradation to
production of microbial methane via formation fluid geochemistry, in preparation for Applied Geochem.
Shelton, J.L., Brennan, S.T., Drake, R.M., McIntosh, J.C., Hunt, A.G., Warwick, P.D., McCray, J.E., CO2
Storage during miscible enhanced oil recovery, in preparation for Energy Conversion and Management.
Menke, H., Navarre-Sitchler, A. Lichner, P., Hammond, G., McCray, J.E., 2014. Evaluating storage of
geologically sequestered CO2 using numerical simulations, in preparation for Internat. J. International
Greenhouse Gas Control (IJGGC)
Deardorff, J., McCray, J.E., 2014. Risk-based screening of CO2 sequestration potential in saline aquifers,
in preparation.
Smith, M., Silva, J.A.K., Marr, J.M., McCray, J.E., 2014 Use of polymers for heterogeneity control and
electron donors during bioremediation, in preparation for Environ. Sci. Technol.
Christensen, K., Altman, P., Schaefer, C., McCray, J.E, 2014. Chemical oxidation in an experimental
fractured sandstone network, in preparation for J. Civil & Environ. Engr.

Guest Editorials and Commentary (6)
McCray, J.E., Anderson, M.P., 2011. Foreword: Lessons Learned About Contaminant Hydrogeology
from Legacy Research Sites, Ground Water, 49(5), 617–619.
McCray, J.E., Thyne, G.D., 2009. Joint sustainability of water resources and petroleum-energy
production, Editorial, Ground Water, 47(5), 11.
McCray, J.E., Boving, T.B., 2007. Urban Watershed Hydrology, J. Amer. Water Resour. Assoc., 43(4),
839-840.

1

McCray, J.E., Christopherson, S.H., 2008. Onsite wastewater systems and interactions with the
environment, ASCE J. Hydrologic Engineering, 13(8), 653-654.
Boving T.B., and J.E. McCray, 2007. Issues in urban hydrology: The emerging field of urban
contaminant hydrology, J. Contaminant Hydrology, 91 (1-2), 1-3.
McCray, J.E., Thyne, G.D., Boving, T., 2003. Contaminant characterization, transport, and remediation in
complex multiphase systems , Vadose Zone J., 2(2), 115.

Peer-Reviewed Journal Papers in Print or in Press (75) (Grad Students and Post Docs underlined)
McKenzie, E.R., Siegrist, R.L., McCray, J.E., Higgins, C.P., 2014. Perfluoroalkyl acid (PFAA) fate and
transport in NAPL-contaminated porous media with chemical oxidation remediation, in press
Bearup, L.A, Maxwell, R.M, Clow, D.W, McCray, J.E., 2015. Hydrological effects of forest transpiration
loss in bark beetle-impacted watersheds, Nature Climate Change, in press.
Kirsch, K., Navarre-Sitchler,A.K., Wunsch, A., McCray, J.E., 2014. CO2-induced metal release from
sandstones: Implications for geologic carbon sequestration, Environ. Sci, Technol., 48 (3),1436–1442
DOI: 10.1021/es403077b.
Bearup, L., Mikkelson, K., Wiley J., Navarre-Sitchler, A.K., Maxwell, R.M., Sharp, J.O., McCray, J.E.,
2014. Metal fate and partitioning in soils under bark beetle-kil ed trees, Science of the Total Environment,
496: 348-357.
Mikkelson K.M., Bearup L.A., Navarre-Sitchler A.K., McCray JE., Sharp J.O., 2014, Changes in metal
mobility associated with bark-beetle induced tree mortality, Environ. Science: Processes and Impacts, in
press, DOI: 10.1039/c3em00632h
Roberts, S., Higgins, C.P., McCray J.E., 2014. Sorption of emerging organic wastewater contaminants to
four soils, Water, 6(4), 1028-1042.
Christensen, K., Altman, P., Schaefer, C., McCray, J.E, 2014. Steady-state DNAPL dissolution in three-
dimensional fractured-sandstone network experiments, J. Environ. Engr., in press.
Mikkelson, K.M., Dickenson, E., McCray, J.E., Maxwell, R.M., and Sharp, J.O., 2013. Water quality
impacts from climate-induced forest die-off, Nature Climate Change, 3, 218-222.
Lawrence, J.E., Skold, M.E., Hussain, F.A., Silverman, D.R., Resh, V.H., Sedlak, D.L., Luthy, R.G.,
McCray, J.E., 2013. Hyporheic zone management in urban streams: A review and opportunities for
enhancing water quality and improving aquatic habitat by active management, Environmental
Engineering Sci., 30(8), 480-501.
Mikkleson, K., Bearup, L., Maxwell, R., Sharp, J., McCray, J.E., 2013. Bark beetle infestation impacts on
nutrient cycling, water quality and the interdependent hydrological effects, Biogeochemistry, 115, 1-21.
Wunsch, A., Navarre-Sitchler, A.K. Moore, J., Ricko, A., McCray, J.E., 2013. Metal release from
dolomites at high partial-pressures of CO2. Applied Geochemistry, 38, 33–47.
Wunsch, A., Navarre-Sitchler, A.K., Moore, J. and McCray, J.E., 2013. Metal release from limestones at
high partial-pressures of CO2. Chemical Geology, 363: 40-55.
Geza, M., Lowe, K., Huntzinger, D.N., McCray, J.E., 2013. New conceptual model for soil treatment
units: formation of multiple hydraulic zones during unsaturated wastewater infiltration, J. Environ. Qual.,
42 (4), 1196-1204.
Geza, M., Lowe, K.S. McCray, J.E., 2013. STUMOD- a tool for predicting fate and transport of nitrogen in
soil treatment units, Environmental Modeling & Assessment, 19 (3), 243-256.
Bischel, H.N., J.E. Lawrence, B.J. Halaburka, M.H. Plumlee, A.S. Bawazir, J.P. King, J.E. McCray, V.H.
Resh, R.G. Luthy, 2013. Renewing urban streams with recycled water for streamflow augmentation:
Hydrologic, water quality, and ecosystem services management. Environ. Engrg Sci., 30(8), 455-479.

2

Bradshaw, J.K., Radcliffe, D.E., Simunek, J., Wunsch, A., McCray, J.E., 2013. Nitrogen fate and
transport in a conventional onsite wastewater treatment system installed in a clay soil: a nitrogen chain
model, Vadose Zone J., 12(3):10.2136/vzj2012.0150.
Siegrist R.L., McCray J.E., Lowe K.S., Cath T.Y., Munakata-Marr J., 2013. Onsite and decentralized
wastewater systems - Advances from a decade of research and educational efforts. Australian Water
Association Journal, Water, 40 (1), 77-84.
Silva, J., Liberatore, M. McCray, J.E., 2013. Characterization of bulk fluid and transport properties for
simulating polymer-improved aquifer remediation, ASCE J. Environ. Engr., 139(2), 149-159. Winner of
the Rudolph Hering Medal from ASCE for Best Paper in Environmental Engineering in 2013.
Mikkelson K.M., Maxwell R.M., Ferguson, I., Stednick, J., McCray J.E., Sharp J.O., 2013. Mountain pine
beetle infestation impacts: modeling water and energy budgets at the hillslope scale, Ecohydrology (6),
64–72.
Wunsch, A., Navarre-Sitchler, A.K. McCray, J.E., 2013. Geochemical implications of brine leakage into
freshwater aquifers, Ground Water, 51(6), 855-865.
Bearup, L., Navarre-Sitchler, A., Maxwell, R.M., McCray, J.E., 2012. Kinetic metal release from
competing processes in aquifers, Environ. Sci Technol., 46(12), 6539–6547
Silva, J.A.K., Smith, M.E., Munakata-Marr, J., McCray, J.E., 2012. Effect of system variables on in situ
sweep efficiency via viscosity modification, J. Contaminant Hydrology, 136-137, 117-130.
Schaefer; C., Towne, R.M., Root, D., McCray, J.E., 2012. Assessment of chemical oxidation for
treatment of DNAPL in fractured sandstone blocks, J. Environ. Engineering, 138(1), 1-7, DOI:
10.1061/(ASCE)EE.1943-7870.0000466.
Siirila, E, Sitchler, A.K., Maxwel , R.M., McCray, J.E., 2012. A quantitative methodology to assess the
risks to human health from CO2 leakage into groundwater, Adv. Water Resources, 36(1), 146-164.
McCray, J.E., Tick, G., Jawitz, J.J., Annable, M., Brusseau, M.L., Falta, R., Gierke, J., Knox, R., Sabatini,
D., Wood, A.L., 2011. Remediation of NAPL Source Zones: Lessons Learned from Field Studies at Hil
and Dover AFB, Ground Water, 49(5), 727-744.
Geza M., Murray, K.E., McCray J.E., 2010. Model evaluation of potential impacts of onsite wastewater
systems on phosphorus in Turkey Creek Watershed, J. Environ. Qual., 39(5), 1636-1646.
Geza M. Murray, K.E., McCray J.E. 2010. Watershed scale impacts of nitrogen from onsite wastewater
systems: parameter sensitivity and model calibration ASCE J. Environ. Engineering, 136 (9), 926-928.
Geza, M., McCray, J.E., Poeter, E.P. 2009. Quantifying predictive uncertainty for a mountain-watershed
model, J. Hydrology, 376, 170–181.
Skold, M.E., Thyne, G.D., McCray, J.E., Drexler, J.W., Macalady, D., 2008. Enhanced solubilization of a
metal-organic contaminant mixture (Pb, Sr, Zn, and PCE) by cyclodextrin. Environ. Sci. Technol. 42(23),
8930-8934.
Smith, M M., Silva, J.A.K., Munakata-Marr, J., McCray, J. E., 2008. Compatibility of polymers and
chemical oxidants for enhanced groundwater remediation. Environ. Sci. Technol., 42 (24) 9296-9301.
Skold, M., Thyne, G., Drexler, J., McCray, J.E., 2009. Solubility enhancement of seven metal
contaminants using carboxymethyl-beta-cyclodextrin (CMCD), J. Contaminant Hydrol. ,107(3-4), 108-113.
Schaeffer, C., E., Callaghan, A.V., King, J., McCray, J.E., 2008. DNAPL morphology and dissolution in
discretely fractured sandstone blocks, Environ. Sci. Technol., 43(6), 1877–1883.
Skold, M.E., Thyne, G.D., Drexler, J.W., McCray, J.E. 2008. Determining stability constants for lead
complexation by carboxymethyl-β-cyclodextrin (CMCD). J. Contaminant Hydrology, 93(1-4), 203-215.
Geza, M., McCray, J.E., 2008. Effects of soil data resolution on SWAT model stream flow and water
quality predictions. J. Environmental Management, 88, 393-406.
McCray, J.E., Nieber, J., Poeter, E.P., 2008. Ground-water mounding in the vadose zone from onsite
wastewater systems: Analytical and numerical tools, ASCE J. Hydrologic Engineering, 13(8), 702-709.

3

Poeter, E.P., McCray, J.E, 2008. Modeling water-table mounding to design cluster and high-density
wastewater soil absorption systems, ASCE J. Hydrologic Engineering, 13(8), 710-719.
Boving, T.B., Blanford, W.J., McCray, J.E., Divine, C.E., Brusseau.M.L., 2008. Comparison of line-drive
and push-pull flushing schemes, Ground Water Monit. Remed., 28(1), 75–86.
Gurdak, J.J., McCray, J.E., Thyne, G.D., Qi, S.L., 2007. Latin-hypercube approach to estimate
uncertainty in ground-water vulnerability, Ground Water, 45(3), 348-361.
Heatwole, K.K., McCray, J.E., 2007. Modeling potential vadose-zone transport of nitrogen from onsite
wastewater systems at the development scale, J. Contaminant Hydrology, 91, (1-2), 184-201.
Skold, M.E., Thyne, G.D., McCray, J.E., 2007. Using UCODE_2005 and PHREEQC to determine
thermodynamic constants from experimental data, Ground Water, 45(3), 368-373.
Lipson, D.L., McCray, J.E., Thyne, G.D., 2007. Using PHREEQC to simulate solute transport in fractured
bedrock, Ground Water, 45(4), 468–472.
Lemonds, P.J., McCray, J.E., 2007. Modeling hydrology in a smal Rocky Mountain watershed serving
large urban populations, J. Amer. Water Resources Assoc. (JAWRA), 43(4), 875-887.
Gurdak, J.J., Hanson, R.T., McMahon, P.B., Bruce, B.W., McCray, J.E., Thyne, G.D., 2007. Climate
variability controls on unsaturated water and chemical movement, High Plains aquifer, United States,
Vadose Zone Journal, 6, 533–547.
Bumgarner, J., McCray, J.E., 2007. Estimating biozone hydraulic conductivity in wastewater soil-
infiltration systems using inverse numerical modeling, Water Research, 41 (11), 2349-2360.
Boving, T.B., Barnett, S.M., Perez G., Blanford, W.J., McCray, J.E., 2007. Remediation with cyclodextrin:
recovery of the remedial agent by membrane filtration, Remediation J., 17(3), 21-36.
Santi, P., McCray, J.E., Martens, J., 2006. Investigating cross-contamination of aquifers, Hydrogeology
Journal, 14(1), 51-68.
Statom, R.A., McCray, J.E., Thyne, G.D., 2006. Conceptual model for landfill hydrologic transport
developed using chloride tracer data and dual-domain modeling, Environmental and Engineering
Geosciences, 12(1), 67–78.
McCray, J.E., Kirkland, S.L., Siegrist, R.L., Thyne, G.D., 2005. Transport-model input parameters for
onsite-wastewater nutrients, Ground Water 43(4), 628-639.
Beach, D.N., McCray, J.E., Lowe, K.S., Siegrist, R.L., 2005. Temporal changes in hydraulic conductivity
of sand porous-media biofilters during wastewater infiltration: Experimental evaluation, J. Hydrology, 311,
230-243.
Murray, K.E., and McCray, J.E., 2005, Development and application of a regional-scale pesticide
transport and groundwater vulnerability model, Environ. Engnrng. Geoscience, 11(3), 271-284.
Poeter, E. J. McCray, G. Thyne, and R. Siegrist, 2005, Designing Cluster and High-Density Wastewater
Soil Absorption Systems to Control Groundwater Mounding, Small Flows Quarterly, Fall 2005, 7(4), 36-
48.
Divine, C.E., McCray, J.E., 2004. Estimation of membrane diffusion coefficients and equilibration times
for LDPE passive diffusion samplers, Environ. Sci. Technol., 38(6); 1849-1857.
Divine, C.E., McCray, J.E., Boving, T., Blitzer, D., Wolf Martin L., Brusseau, M.L., Blanford, W., 2004.
Partitioning tracer tests as remediation metric: Case study at Naval Amphibious Base Little Creek
(NABLC), Virginia. Remediation Journal, 14(2): 7-31.
Statom, R., Thyne, G.D., McCray, J.E., 2004. Temporal changes in leachate chemistry of a municipal
solid waste landfil cell in Florida, Environ. Geology, 45(7), 982-991.
Siegrist, R.L., McCray, J.E., Lowe, K.S., 2004. Wastewater infiltration into soil and the effects of
infiltrative surface architecture. Small Flows Quarterly Journal. 5(1):29-39.

4

Dugan, P.J., McCray, J.E., Thyne, G.D., 2003. Influence of cyclodextrin on NAPL-water partition
coefficients with implications for post-remediation NAPL characterization using partitioning tracer tests,
Water Resources Research, 39(5), 1.1-1.7.
Divine, C.E., Sanford, W., McCray, J.E., 2003. Helium and neon tracers to measure residual DNAPL:
Laboratory investigation, Vadose Zone Journal, 2(3), 382-388.
Beach, D.N., McCray, J.E., 2003. Numerical modeling of unsaturated flow in wastewater soil absorption
systems, Ground Water Monitoring Remediation, 23(2), 64-72.
Darwish, M.I.M., McCray, J.E., Zitha, P.L., Currie, P.K., 2003. Polymer- enhanced DNAPL flushing from
low-permeability media: An experimental study, Ground Water Monitoring Remediation, 23(2), 92-101.
Seo, H.S., and McCray, J.E. 2002. Interfacial tension of chlorinated aliphatic DNAPL mixtures as a
function of organic-phase composition, Environmental Sci. Technol. 36 (6), 1292-1298.
McCray, J.E., Dugan, P.J., 2002. Nonideal equilibrium dissolution of trichloroethene from a decane-
based NAPL mixture: Experimental and modeling investigation, Water Resources Res., 38(7), 2.1-9.
Schlosser, S.A., McCray, J.E., Murray, K.E., Austin, B.A., 2002. A subregional-scale method to assess
aquifer vulnerability to pesticides, Ground Water, 40(4), 361-367.
Güler, C., Thyne, G.D., McCray, J.E., Turner, A. K., 2002. Evaluation of the graphical and multivariate
statistical methods used for classification of water-chemistry data, Hydrogeology Jour., 10(4), 455-474.
Schlosser, S.A., McCray, J.E., 2002. Sensitivity of a pesticide leaching potential index model to
variations in hydrologic and pesticide-transport properties, Environ. Geosciences, 9(2), 66-73.
McCray, J.E., Nevil e, C.J., 2002. Uncertainties associated with using analytical models for soil-vapor-
extraction pump-tests, Acta Universitatis Carolinae Geologica, 46(2/3), 454-457.
McCray, J.E., Bai, G., Brusseau, M.L, Mil er, R., 2001. Biosurfactant-enhanced solubilization of NAPL
mixtures, J. Contam. Hydrol., 48(1), 45-68.
McCray, J.E., Boving, T., Brusseau, M, 2000. Enhanced dissolution of hydrophobic organic compounds
with implications for aquifer remediation, Ground Water Monitoring Remed., 20(1), 94-103.
McCray, J.E., 2000. Mathematical modeling of air sparging for subsurface remediation: State of the art, J.
Hazardous Materials, 72(2-3), 237-263, (invited paper).
Cain, R.B., Johnson, G., McCray, J.E., Blanford, W., Brusseau, M.L., 2000. Partitioning tracer tests for
evaluating remediation performance, Ground Water, 38(5), 752-761.
Boving, T.B., McCray, J.E., 2000. Cyclodextrin-enhanced remediation of organic and metal contaminants
in porous media and groundwater, Remediation J., 10(2), 59-83 (invited paper).
McCray, J.E., Brusseau, M.L, 1999. Cyclodextrin-enhanced in situ flushing of multiple-component
immiscible organic-liquid contamination at the field scale: Analysis of dissolution behavior, Environ. Sci.
Technol. 33 (1), 89-95.
McCray, J.E., Brusseau, M.L, 1998. Cyclodextrin-enhanced in-situ flushing of multiple-component
immiscible organic-liquid contamination at the field scale: Mass removal effectiveness, Environ. Sci.
Technol., 32 (9): 1285-1293.
McCray, J.E. and Falta, R.W., 1997. Numerical simulation of air sparging for remediation of NAPL
contamination, Ground Water, 35(1): 99-110.
McCray, J.E. and Falta, R.W., 1996. Defining the air sparging radius of influence for ground water
remediation, J. Contaminant Hydrology, 24(1): 25-52.
Peer Reviewed Books or Book Chapters (10)
Siegrist RL, M Crimi, MM Broholm, JE McCray, TH Illangasekare, PL Bjerg. 2011. Advances in
Groundwater Remediation: Achieving Effective In Situ Delivery of Chemical Oxidants and

5

Amendments. Chapter 15 in: FF Quercia, D Vidojevic (Eds.), Clean Soil and Safe Water, NATO Science
for Peace and Security Series, Springer Publishing, Dordrecht, The Netherlands. ISBN 978-94-007-2242-
2, 299 pp.
McCray, J., M. Geza, K. Lowe, T. Boving, D. Radcliffe, M. Tucholke, A. Wunsch, S. Roberts, J. Amador,
J. Atoyan, J. Drewes, D. Kalen, G. Loomis. 2010. Quantitative Tools to Determine the Expected
Performance of Wastewater Soil Treatment Units: Guidance Manual. International Water Association
Publishing, London, U.K., ISBN: 978-1-84339-395-5/1-84339-395-6.
McCray, J., M. Geza, K. Lowe, T. Boving, D. Radcliffe, M. Tucholke, A. Wunsch, S. Roberts, J. Amador,
J. Atoyan, J. Drewes, D. Kalen, G. Loomis. 2010. Quantitative Tools to Determine the Expected
Performance of Wastewater Soil Treatment Units: Toolkit User’s Guide. International Water Association
Publishing, London, U.K , ISBN: 978-1-84339-537-9/1-84339-537-1.
McCray, J., M. Geza, K. Lowe, T. Boving, D. Radcliffe, M. Tucholke, A. Wunsch, S. Roberts, J. Amador,
J. Atoyan, J. Drewes, D. Kalen, G. Loomis. 2010. Quantitative Tools to Determine the Expected
Performance of Wastewater Soil Treatment Units: Visual-Graphic Tools. International Water Association
Publishing, London, U.K, ISBN: 978-1-84339-536-2/1-84339-536-3.
McCray, J.E., Geza M., Murray, K.E., Poeter E.P., Morgan, D.S., 2009. Modeling Onsite wastewater
Systems at the Watershed scale: A User guide, IWA Publishing, London, U.K. (ISBN 978-1-84339-528-
7/1-84339-528-2).
Smith, S.M., Kolm, K.E., Varien, M.D., McCray, J.E., 2008. Emergence and collapse of early villages:
Models of central Mesa Verde archaeology, in Origins of Human Behavior and Culture, Editors: Kohler,
T.A., Varien , M.D., University of California Press, Berkeley CA.
Smith, H.L., McCray, J.E., Thyne, G.D., Lowe, K.S., Bagdol, J., Siegrist, R.L., 2003. Groundwater
characterization of the Blue River Watershed, Colorado to assess the potential impacts of anthropogenic
pollutants, In: Engineering Geology in Colorado - Contributions, Trends, and Case Histories, Association
of Engineering Geologists, Denver, CO.
Gurdak, J.J., McCray, J.E., 2005. Groundwater Vulnerability to Pesticides: An Overview of Approaches
and Methods of Evaluation, Paper #GW-45, in The Encyclopedia of Water, J. H. Lehr (Ed.), John Wiley &
Sons, Inc., New York.
McCray, J.E., Bryan, K., Cain, R., Johnson, G., Blanford, B., Brusseau, M., 1999. Field test of
cyclodextrin for enhanced in-situ flushing of immiscible organic liquids: Comparison to water flushing, In:
Innovative Subsurface Remediation: Field Testing of Physical, Chemical, and Characterization
Technologies, p.136-152, American Chemical Society, Washington, D.C.
Brusseau, M.L, McCray, J.E., Johnson, G., Wang, X., Wood, A.L., Enfield, C., 1999. Field Test of
cyclodextrin for enhanced in-situ flushing of multiple-component immiscible organic liquid contamination:
Project overview and initial results, In: Innovative Subsurface Remediation: Field Testing of Physical,
Chemical, and Characterization Technologies, p. 118-135, American Chemical Society, Wash. D.C.
Peer Reviewed Conference Proceedings (8)

Geza, M., K. Lowe, C. Tonsberg, J. McCray, E. Roeder. 2014. STUMOD-FL - A Tool for Prediciting Fate
and Transport of Nitrogen in Soil Treatment Units in Florida. Innovation in Soil-Based Onsite Wastewater
Treatment Proceedings. SSSA.
Tonsberg, C., M. Geza, K. Lowe, J. McCray. 2014. Development of an Analytical Groundwater Model for
Fate and Transport of Nitrogen from Onsite Wastewater Systems. Innovation in Soil-Based Onsite
Wastewater Treatment Proceedings. SSSA.
Nummedal, D., McCray, J.E., 2013. Making fossil energy more sustainable – Technology pathways and
conflict reduction, Proceedings of the Unconventional Resources Technology Conference (URTeC),
sponsored by SPE, AAPG, and SEG, Denver, Colorado.

6

Atchley, A.L., Maxwell, R.M., Navarre-Sitchler, A., Siirila, E.R., and McCray, J.E. 2012. Using
streamlines for highly-resolved, reactive transport for CO2 leakage contamination in groundwater.
Proceedings of the conference ModelCARE2011: Models – Repositories of knowledge. IAHS Publ. 3XX,
2012, Leipzig, Germany.
Siegrist, R.L., Crimi, M., Broholm, M.M., McCray, J.E., Illangesekare, T., Bjerg, P., 2011. Advances in
groundwater remediation: Achieving effective in situ delivery of chemical oxidants and amendments,
Proceedings of the NATO Advanced Research Workshop on Drinking Water Protection by Integrated
Management of Contaminated Land, v1, Belgrade, Serbia.
Lindstrom, K.A., McCray, J.E., Thyne, G.D., 2007. Modeling of Phosphorus Reactions during
Wastewater Infiltration using Analytical and Numerical Modeling Techniques, On-site Wastewater
Treatment: Proceedings of the 11th National Symposium on Individual and Small Community Sewage
Systems, Amer. Soc. Agricul. Biological Engr., St. Joseph, MI.
Geza M., McCray, J.E. 2007. Modeling the Effect of Population Growth on Stream Nutrient Concentration
in Turkey Creek Watershed using WARMF Model.. On-site Wastewater Treatment: Proceedings of the
11th National Symposium on Individual and Smal Community Sewage Systems, Amer. Soc. Agricul.
Biological Engr., St. Joseph, MI.
Tucholke, M.B., McCray, J.E., Thyne, G.D., Waskom, R.M., 2007. Correlating denitrification rates to soil
texture using hierarchical cluster analysis, On-site Wastewater Treatment: Proceedings of the 11th
National Symposium on Individual and Small Community Sewage Systems, Amer. Soc. Ag. Bio.
Engineers, St. Joseph, MI.
Lemonds, P.J., McCray, J.E., 2004. Watershed-Scale Transport Modeling of Onsite Wastewater
Pollutants in the Blue River Drainage Basin, In: On-site Wastewater Treatment: The Tenth National
Symposium on Individual and Small Community Sewage Systems, Amer. Soc. Ag. Engineers Publ., St.
Joseph, MI.
Huntzinger, D., McCray, J.E., van Cuyk, S., Siegrist, R.L., 2001. Numerical modeling of unsaturated flow
and transport in on-site wastewater treatment systems as affected by soil clogging, On-site Wastewater
Treatment: Proceedings of the 9th National Symposium on Individual and Smal Community Sewage
Systems, Amer. Soc. Ag. Engineers Publ. 701P0101, St. Joseph, MI.
McCray, J.E. and Falta, R.W., 1995. Air sparging for subsurface remediation of dense nonaqueous
phase liquids, in: Amer. Institute Chem. Eng. Sympos. Ser., 91 (306): 50-57, AICHE, Wash. D.C.

Invited Presentations (41)
McCray, J.E., 2014. Reinventing the Nations Urban Water Infrastructure: The Role of Water Reuse.
WateReuse Association, Water Reuse Colorado, 2014 Workshop, Panel Discussion on Integrated Water
Planning with Larua Belanger, PE, Western Resource Advocates; John McCray, PhD, CSM; Dave Little,
Director of Planning, Denver Water, 14 August 2014, Golden CO (invited).
McCray, J.E., 2014. Resiliency of the Nation’s Urban Water Infrastructure, Resilience Week 2014, 19
August 2014, Denver CO (invited)
McCray, J.E., Higgins, C.P., Cath, T., 2014. Reinventing the Nation’s Urban Water Infrastructure,
Opportunities for Municipal Water Utilities, City of Aurora, Aurora Water, April 2014, Aurora CO (invited)
McCray, J.E., Bearup, L.A., Mikkelson, K.M. Maxwell R.M., 2013 Water quality and quantity impacts of
the mountain pine beetle infestation in the Rocky Mountain West, Presented at the Fulbright Commission
to Chile and the U.S. State Department, Santiago Chile, March 2013, (Invited).
McCray, J.E., Sedlak, DL., Luthy, R.G., 2013. Reinventing the Nation’s Urban Water Infrastructure, an
overview of the first NSF ERC in Environmental Engineering. Invited presentation to the University of
Oklahoma WaTER Center, September 10, 2013.
McCray J.E., Wunsch A, Moore J., Sitchler A, 2013. Hydrochemical Impacts of Carbon Dioxide Leakage
in Carbonate Aquifer Materials, invited presentation at 2013 Fall AGU meeting, San Francisco, CA.

7

Wunsch A, Sitchler A, Moore J., McCray J.E., Geochemical Impacts of Carbon Dioxide Leakage into
Carbonate Aquifer Rocks, Mineralogical Magazine, 77(5) 2515, invited presentation at the August 2013
Goldschmidt Conference, Florence Italy.
McCray, J.E., 2012. Impact of the mountain pine beetle epidemic on water resources and quality in the
Rocky Mountains, Presented at the Environmental Engineering Seminar Series, Department of Civil and
Environmental Engineering, University of California Berkeley, 30 November 2012.
McCray, J.E., 2012. Impact of the mountain pine beetle epidemic on hydrology and water quality in the
Rocky Mountains, Presented at the Environmental Engineering & Science Seminar Series, Department of
Civil & Environmental Engineering, Stanford University, 26 October 2012
McCray, J.E., 2012. Geologic carbon sequestration: Numerical and experimental investigations on
leakage and risks to overlying aquifers, Presented at the Environmental Fluids Mechanics and Hydrology
Seminar Series, Department of Civil and Environmental Engineering, Stanford University, 29 October
2012 (invited).
McCray, J.E., 2012. Leakage from Geologic Carbon Sequestration: Modeling and Experiments, Invited
Seminar, presented to the Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley CA,
26 Sep 2012 (invited)
McCray, J.E., 2012. Geochemical Impacts of Carbon Dioxide Leakage into Carbonate Aquifer Rocks,
Presented at the Takashi Asano Seminar Series, Civil & Environmental Engineering Department,
University of California Davis, 14 November 2012 (invited).
McCray, J.E., 2012. Geologic carbon sequestration: Experimental and numerical evaluations of risks to
freshwater aquifers, Invited Seminar presented at the Department of Geosciences, San Francisco State
Univ., 9 October 2012 (invited).
McCray, J.E., Tick, G., Jawitz, J.J., Annable, M., Brusseau, M.L., Falta, R., Gierke, J., Knox, R., Sabatini,
D., Wood, A.L., 2012. Remediation of NAPL Source Zones: Lessons Learned from Field Studies at Hil
and Dover AFB, Proceedings of the 2012 National Ground Water Association Summit (invited).
McCray J.E., Tick, G.R., Bryan, K., Boving, T.B., Johnson, G.R., Brusseau, M.L., 2011. Future directions
for the remediation of sites contaminated by Nonaqueous Phase Liquids, Presented at 2011 American
Geophysical Union Fal Meeting (Invited).
McCray, J.E., Geza, M., 2011 Model approaches estimating transformation of wastewater pollutants in
soil, presented at the Chile Water Center to the Chilean Minster of Agriculture, the Regional Governor,
and water professionals, November 2011, Univeridad de Concepcion, San Fernando, Chile (invited)
McCray, J.E., Geza, M., Tucholke, M.B., Roberts, S., Boving, T.B., Lowe, K.S, 2011. STUMOD: A
relatively simple model for estimating transformation of onsite wastewater pollutants in soil treatment units
(STUs), presented at the 2011 Symposium of the Alberta Onsite Wastewater Management Association
(AOWMA), Red Deer, Canada (Invited).
Siegrist, R.L., Crimi, M., McCray, J.E., Poulson, M., Bjerg, P., Illangesekare, T., 2011. Advances in
groundwater remediation: Achieving effective in situ delivery of chemical oxidants and amendments,
NATO Advanced Research Workshop on Drinking Water Protection by Integrated Management of
Contaminated Land, 21-23 March 2011, Belgrade, Serbia (Invited).
Siegrist, R.L., Lowe, K.S., Geza, M., McCray, J.E., 2011. Effluent Dispersal into Soil for Onsite Treatment
and Discharge/Reuse: Principles and Practices, Nordic Conference on the State of the Art Concerning
Soil Treatment Systems", Sponsored by the Swedish Environmental Protection Agency, 8-9 February
2011, Malmö, Sweden (Invited).
McCray, J.E., Navarre-Sitchler, A.K., Wunsch, Maxwell, R., 2010. Aquifer water quality and geologic
carbon sequestration, presented at the Colorado Water Congress, January 28, Denver, CO. (Invited)
McCray, J.E., Navarre-Sitchler, A.K., Maxwell, R.M., 2010. Evaluating the Risk of CO2 Leakage into
Shallow Aquifers from Carbon Sequestration, Presented at the Colorado Water Science Day, Joint
Conference of USGS and Colorado Water Resources Research Institute, Boulder CO, June 2010.
(Invited).

8

McCray, J.E , 2010. Aquifer Water Quality and Geologic Carbon Sequestration, presented at the 2010
Colorado Water Congress, Denver CO, March 2010 (Invited).
McCray, J.E., 2010. Risk-Based Decision Making for Assessing Potential Impacts of Geologic CO2
Sequestration on Drinking-Water Sources, presented at the DoE/EPA Col aborative Review Meeting,
Pittsburgh, PA, Mar 2010 (Invited).
Christensen, K.E., Altman, P., McCray, J.E., Schaeffer, C.E, 2009. Investigating DNAPL dissolution
kinetics in a saturated bench-scale fracture network, Geological Society of America, Abstracts with
Programs, 41(7), 696 (Invited).
Geza M., McCray, J.E., Lowe, K.S., Tucholke, M.B., Wunsch, A., Roberts, S., 2009. A simple tool for
predicting nutrient removal in soil treatment units, Proceedings of the National Onsite Wastewater
Recycling Association (NOWRA) 18thh Annual Technical Education Conference, Laurel MD. (Invited).
McCray, J.E, 2009. Simple models to assess mounding on low-permeability layers: uncertainty analysis
and risk-based decision making, presented at the Oregon Onsite Wastewater Organization (O2WA)
Annual Conference, Oregon State Univ., Corvallis, Or. (Invited).
McCray, J.E, Lowe, K., 2009. Role of onsite wastewater systems in sustainable water use and beneficial
reuse, presented at the Oregon Onsite Wastewater Organization (O2WA) Annual Conference, Oregon
State Univ., Corvallis, Or. (Invited)
McCray, J.E, 2008. Tools to assessing the performance of soil treatment units for nitrogen, phosphorus,
selected emerging organic contaminants, and virus, presented at the Maryland Onsite Wastewater
Professionals Association, Talbot County Community Center, Easton, MD, August 26, 2008. (Invited)
McCray, J., Geza, M., Murray, K., 2008. Guide to watershed modeling for assessment of onsite
wastewater system impacts, presented at the Maryland Onsite Wastewater Professionals Association,
Talbot County Community Center Easton, MD, August 26, 2008. (Invited).
McCray, J., Geza, M., Murray, K., 2008. Watershed-scale assessment for onsite wastewater systems:
Model uncertainty analysis, calibration, and risk-based decision making, presented at The 21st Century
Watershed Technology: Improving Water Quality and Environment International Conference, Amer. Soc.
Agricul. Biological Engineers, March 29-April 3, 2008, University of Concepcion, Chile (Invited).
McCray, J., Geza, M., 2008. Site and watershed scale modeling to assess multiple sources of N
pollution, Expert Panel at the Annual National Onsite Wastewater Recycling Association (NOWRA)
Conference, Memphis TN (Invited).
McCray, J.E., Oldham, G., Drewes, J., 2006. Investigation of nonequilibrium physical, chemical, and
microbiological transport processes for emerging organic contaminants using models and laboratory
tracer tests, Geol. Soc. Amer., Abstracts with Programs, 38(7). (Invited)
Smith, S.M., Kolm, K.E., McCray, J.E., 2006. Drought Effects on Prehistoric Settlements:
Paleohydrologic Modeling of Spring Discharge, Canyon of the Ancients National Monument, Southwest
Colorado; Longmont, CO., Geol. Soc. Amer., Specialty Meeting, Managing Drought and Water Scarcity in
Vulnerable Environments: Creating a Roadmap for Change in the United States (18-20 September); GSA
Specialty Meetings Abstracts with Programs, Abstract No: 109045, ISSN 1556-4800, No. 3. (Invited)
Lin, H., Bales, R., Gochis, D., Hornbuckle, B., Johnson, B., Krajewski, W., McCray, J., McDonnell, J.,
Murray, K., Newman, B., Reed, P., Simpkins, B., Thyne, G., Wohl, E., Lal , U., 2005. Soils and the
CUAHSI Vision and Beyond, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H34D-03 (Invited)
McCray, J., Poeter, E., Thyne, G., Siegrist, R.L, 2006. Design guidelines to minimize groundwater
mounding below high-density onsite wastewater systems, Abstract, Presented at the 9th Annual DOWRA
(Delaware Onsite Wastewater Recycling Association) Conference, Harrington Delaware, (Invited)
McCray, J., 2006. Groundwater mounding below high-density onsite wastewater systems, Presented at
the Annual OOWA (Oregon Onsite Wastewater Association) Conference, Newport Oregon, (Invited)
Heatwole, K.K., McCray, J., 2006. Modeling nitrogen transport and transformation in the vadose zone
and aquifers, presented at the University of Minnesota, Statewide Meeting for Onsite Professionals and
Regulators (Invited).

9

McCray, J., 2006. Modeling tools to evaluate water-resources pollution from onsite wastewater systems,
University of Wyoming, Wyoming Department of Environmental Quality, Statewide Meeting for Onsite
Professionals and Regulators (Invited).
McCray, J.E., 2005. Evolution of contaminant plumes from multicomponent DNAPL sources, presented
at the Annual Meeting of the Colorado Ground Water Association, Denver CO, (Invited)
McCray, J.E. Lemonds, P.J., 2002. Assessment of the effects of onsite wastewater system effluent on
the Dillon Reservoir Watershed, Colorado, using a watershed-scale model (SWAT), Presented at the
Annual Meeting of the Colorado Environmental Health Association, Vail, CO (Invited).
McCray, J.E., Siegrist, R.L., Lowe, K.S., 2002. Science and engineering of onsite wastewater Systems:
An overview of research at Colorado School of Mines, Proceedings of the 4th Southwest On-Site
Wastewater Management Conference and Exhibition, Arizona County Directors of Environmental Health
Services Association, Phoenix, AZ (Invited).
McCray, J.E., Kirkland S., Siegrist, R.L. van Cuyk, S., Mudd, P.J., 2001. Cumulative effects of
wastewater pol utants at the watershed scale, presented at the annual meeting of the Colorado
Environmental Health Association, Glenwood Springs, CO (Invited).

Book and Software Reviews Published in Journals (7)
McCray, J.E., 2007. Review of Hydrology (by W. Brutsaert), Environmental & Engr. Geoscience, 13(1),
93-94; DOI: 10.2113/gseegeosci.13.1.93.
McCray, J.E., 2007. Software review: HYDRUS 3D, Southwest Hydrology, 6(1), 41.
McCray, J.E., 2006. Software review: Watershed Analysis Risk Management Framework, Southwest
Hydrology, 5(2), 41.
McCray, J.E., Cohen, R.M., 2003. Software Spotlight, NAPLANAL: A software package for the
estimation of NAPL saturation and composition from typical soil chemical analyses, Ground Water, 41(3),
298-299.
McCray, J.E., 2003. Software review of Petrasim, Southwest Hydrology, 2(3), 37.
McCray, J.E., 2002. Book Review: Applied contaminant transport modeling, Ground Water, 40(5), 460.
Lemonds, P.J., McCray, J.E., 2003. Software review of Soil Water Assessment Tool (SWAT), Southwest
Hydrology, 2(1), 37.

Non-Peer-Reviewed Conference Proceedings prior to 2009
Smith MM, Silva JAK, Munakata Marr J, McCray JE. 2009. The use of polymer solution for enhanced
PCE biodegradation in heterogeneous aquifer settings. In Situ and On-Site Bioremediation 10th
International Symposium, Battelle, May 5-8, Baltimore, MD.
Wunsch, A., J.E. McCray, K.S. Lowe, R. Furrer, 2009. Analyzing wastewater-N and P concentrations in
soil treatment units using multivariate statistics, Proceedings of the National Onsite Wastewater Recycling
Association (NOWRA), 18th Annual Technical Education Conference, Laurel MD
Wunsch, A., McCray, J.E., Geza, M., Radcliffe, D.E., 2009. Modeling soil treatment units with HYDRUS-
2D, Constructed Wetlands module (CW2D), Proceedings of the National Onsite Wastewater Recycling
Association (NOWRA), 18th Annual Techniacal Education Conference, Laurel MD.
Geza M., McCray, J.E., Lowe, K.S., Tucholke, M.B., Wunsch, A., Roberts, S., 2009. A simple tool for
predicting nutrient removal in soil treatment units, Proceedings of the National Onsite Wastewater
Recycling Association (NOWRA) 18thh Annual Technical Education Conference, Laurel MD.

10

Heatwole, K.K., McCray, J.E., 2009. An analytical model for predicting the extent of plumes Originating
from onsite wastewater soil dispersal systems , Proceedings of the National Onsite Wastewater Recycling
Association (NOWRA) 18thh Annual Technical Education Conference, Laurel MD.
Siegrist, R.L., Lowe, K.S., McCray, J.E., Marr, J., Drewes, J.E., Spear, J.R., Tomares, J.M.B., 2007.
Advancing the science and engineering and integration of onsite wastewater systems, Invited paper,
Proceedings of the Onsite ’07,International Conference, Armidale, Australia.
Lemonds, P.J., McCray, J.E., 2004. Modeling phosphorus loading in an urban drinking water source
watershed, Proceedings of WEFTEC 07, Water Environment Federation, San Diego CA.
Geza, M., McCray, J.E., 2007. Modeling the effect of discharges from septic and sewers on stream
nutrient loading in turkey creek watershed using WARMF and SWAT, Proceedings of the National Onsite
Wastewater Recycling Association (NOWRA) 16h Annual Technical Education Conference, Laurel MD.
Tucholke, M.B., McCray, J.E., Thyne, G.D., Waskom, R.M., 2007 Variability in denitrification rates:
literature review and analysis, Proceedings of the National Onsite Wastewater Recycling Association
(NOWRA) 16h Annual Technical Education Conference, Laurel MD.
Silva, J.A.K., Smith, M.S., McCray, J.E., 2007. Water-soluble polymers to enhance sweep efficiencies of
in situ remediation amendments. Presented at the 2007 Ground Water Summit, Albuquerque, New
Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
Smith, M.S., Silva, J.A.K., McCray, J.E., 2007. Polymer-oxidant compatibility for use as a combined
groundwater remediation treatment, presented at the 2007 Ground Water Summit, Albuquerque New
Mexico, April 29-May 3, National Ground Water Assoc., Westervil e, OH
Heatwole, K., McCray, J.E., 2006. A simple model for predicting nitrate plumes, Proceedings of the
NOWRA Annual Mtg, Denver CO, National Onsite Wastewater Recycling Association (NOWRA), Laurel,
MD.
Doyle, S., McCray, J.E., Lowe, K.S., Thyne, G.D., 2005. Modeling phosphorus reaction and transport at
an experimental onsite wastewater site, In: Proceedings of the NOWRA Annual Mtg, Cleveland, OH.,
National Onsite Wastewater Recycling Association (NOWRA), Laurel, MD.
Divine, C.E., Rask, B ., McCray, J.E., 2003. A conceptual hydrologic model for pumping tests conducted
in a basalt-interbed hydrostratigraphic unit, Proceedings of NGWA Northwest Focus Conference,
Anchorage, AK.
McCray, J. E., Downs, W., Falta, R. W., Housley L. T, 2004. Contaminant vapor transport in a deep
vadose zone: influences of barometric pressure, diffusion, and density-driven flow, in Groundwater Flow
Understanding from Local to Regional Scales, Proceedings of XXXIII Congress Inter. Assoc. Hydrologists
& 7th Congress ALHSUD, Zacatecas, Mexico, October, 11-15.
Lemonds, P.J. and McCray, J.E, 2004. Modeling phosphorus transport in the Blue River Watershed,
Summit County, Colorado, Proceedings of the First Interagency Conference on Research in the
Watersheds, U.S.D.A, U.S Geol. Survey, Bureau of Land Manag., Natural Resour. Conservation Serv.,
U.S. E.P.A, U.S. Forest Serv., Consortium of Universities for the Advancement of Hydrologic Science,
October 28-30, 2003, Benson, AZ
McCray, J.E., Downs, W., Falta, R.W., Housely, L.T., 2003. Modeling atmosphere-induced pressure
fluctuations and chemical vapor transport in a heterogeneous fractured vadose zone, in: Proceedings of
Modflow and More 2003: Understanding Through Modeling, International Ground Water Modeling Center,
Golden CO.
Siegrist, R.L., K.S. Lowe, J.E. McCray, D. Beach, and S. VanCuyk. 2002. Accelerated loading methods
to evaluate long-term performance of soil PMBs used for wastewater treatment. Proceedings of the 11th
Northwest On-Site Wastewater Conference, Seattle, WA, April 3-4, 2002.
Murray, K.E., Poeter, E.P., McCray, J.E., 2003. Estimating spatially variable ground-water recharge
rates using GIS, in: Proceedings of Modflow and More 2003: Understanding Through Modeling,
International Ground Water Modeling Center, Golden CO.

11

Dodds, M.E., Thyne, G.D., McCray, J.E., 2003. Modeling the natural attenuation of BTEX and
chlorinated ethenes in a landfil leachate plume, in: Proceedings of Modflow and More 2003:
Understanding Through Modeling, International Ground Water Modeling Center, Golden CO.
McCray, J.E., P.J. Lemonds, D.N. Beach, S.L. Kirkland, K.S. Lowe, R.L. Siegrist, 2002. Modeling fate
and transport of wastewater pollutants at site and watershed scales, In: Proceedings of the NOWRA
Annual Mtg, Kansas City, MO., National Onsite Wastewater Recycling Association (NOWRA), Laurel,
MD.
McCray, J.E., Siegirst, R.L., Lowe, K.S., 2002. Science and engineering of onsite wastewater Systems:
An overview of research at Colorado School of Mines, Proceedings of the 4th Southwest On-Site
Wastewater Management Conference and Exhibition, Arizona County Directors of Environmental Health
Services Association, Phoenix, AZ (Invited).
Siegrist R.L., McCray, J.E., 2002. Infiltration Rate Behavior during Soil Infiltration of Wastewater
Effluents In: Proceedings of the NOWRA Annual Mtg, Kansas City, MO., National Onsite Wastewater
Recycling Association (NOWRA), Laurel, MD.
McCray, J.E., Kirkland, S., Huntzinger, D., Siegrist, R.L., 2001. Quantitative modeling approaches for
assessing wastewater flow and pollutant transport in porous media, Proceedings of the Third NSF
International Symposium and Technology Expo on Small Drinking Water and Wastewater Systems, p. 10-
18, Wash. D.C.
McCray, J.E., Huntzinger, D., Van Cuyk, S., Siegrist, R., 2000. Mathematical modeling of unsaturated
flow and transport in soil-based wastewater treatment systems, WEFTEC ‘2000 Symposium, Water
Environment Federation, Anaheim, California.

Published Conference Abstracts (>170)
McCray, J.E., Wunsch, A. Navarre-Sitchler, A. 2014. Hydrochemical Implications of Brine Leakage from
Subsurface Operations into Freshwater Aquifers, National Ground Water Association Summit, Denver
CO, April, 2014.
Mikkelson K.M., Dickenson E.R.V., Maxwell, R.M., McCray, J.E., Sharp, J.O. 2012. Bark beetle
infestation affects water quality in the Rocky Mountains of Colorado. Presented at 2012 American
Geophysical Union Fal Meeting. Amer. Geophys. Union, 89, Fall Meet. Suppl., Abstract No. GC51F-08
Menke H.P., Navarre-Sitchler A.K., McCray J.E., Maxwell R.E., 2012. CO2 and H2O Leakage Rates from
the Injection Zone to Overlying Unites as a Result of Geologic Sequestration, Present at 2012 American
Geophysical Union Fall Meeting, Amer. Geophys. Union, 89, Fall Meet. Supply., Abstract No. H11A-1155
Bearup, L.A., Maxwell, R.M., Clow, D.W., McCray, J.E., Sharp, J.O. 2012. Understanding changes to
interrelated hydrologic and trace metal cycles in mountain pine beetle infested watersheds. Presented at
2012 American Geophysical Union Fall Meeting, Amer. Geophys. Union, 89, Fall Meet. Suppl., Abstract
No. GC23C-1081
McCray, J.E., Tick, G., Jawitz, J.J., Annable, M., Brusseau, M.L., Falta, R., Gierke, J., Knox, R., Sabatini,
D., Wood, A.L., 2012. Remediation of NAPL Source Zones: Lessons Learned from Field Studies at Hil
and Dover AFB, Proceedings of the 2012 National Ground Water Association Summit (invited).
McCray J.E., Tick, G.R., Bryan, K., Boving, T.B., Johnson, G.R., Brusseau, M.L., 2011. Future directions
for the remediation of sites contaminated by Nonaqueous Phase Liquids, Presented at 2011 American
Geophysical Union Fal Meeting, Amer. Geophys. Union, 88, Fal Meet. Suppl., Abstract No. H31H-01
(Invited).
McCray, J.E., Geza, M., Tucholke, M.B., Roberts, S., Boving, T.B., Lowe, K.S, 2011. STUMOD: A
relatively simple model for estimating transformation of onsite wastewater pollutants in soil treatment units
(STUs), Proceedings of the 2011 Symposium of the Alberta Onsite Wastewater Management Association
(AOWMA), Edmonton, Canada.

12

Bearup, L.A., McCray, J.E., Navarre-Sitchler, A.K., Maxwel , R.M., 2011. Importance of Desorption and
Mineral-Dissolution Kinetics on Aquifer Metal Transport after Potential CO2 Leakage, Proceedings of the
2011 Carbon Capture & Sequestration Conference, Pittsburgh PA.
Wunsch, A., Navarre-Sitchler, A.K., Maxwell, R. and McCray, J.E., 2011. On the release of metals in
freshwater carbonate aquifers under elevated CO2 concentrations, Proceedings of the 2011 Carbon
Capture & Sequestration Conference, Pittsburgh PA.
Siirila, E.R., Navarre-Sitchler, A.K., Maxwell, R., Bearup, L.A., McCray, J.E., Atchley, A.L., 2011.
Quantitative methodology to assess the risks to human health from CO2 leakage into groundwater:
implications of scaling reaction rates, Proceedings of the 2011 Carbon Capture & Sequestration
Conference, Pittsburgh PA.
Mouzakis, K., Navarre-Sitchler, A., Wang, X., Kaszuba, J., Heath, J., Dewers, T., McCray, J., 2011.
Investigation into Changes in Pore Networks in Caprocks undergoing Small-Scale Carbon Sequestration
Simulation Laboratory Experiments. Proceedings of the 2011 Carbon Capture & Sequestration
Conference, Pittsburgh PA
Siegrist, R.L., Crimi, M., McCray, J.E., Poulson, M., Bjerg, P., Illangesekary, T., 2011. Advances in
groundwater remediation: Achieving effective in situ delivery of chemical oxidants and amendments,
NATO Advanced Research Workshop on Drinking Water Protection by Integrated Management of
Contaminated Land, 21-23 March 2011, Belgrade, Serbia (Invited)
Siegrist, R.L., Lowe, K.S., Geza, M., McCray, J.E., 2011. Effluent Dispersal into Soil for Onsite Treatment
and Discharge/Reuse: Principles and Practices, Nordic Conference on the State of the Art Concerning
Soil Treatment Systems", Sponsored by the Swedish Environmental Protection Agency, 8-9 February
2011, Malmö, Sweden (Invited).
McCray, J.E., A. Sitchler, L. Peters, E. Siirila, K. Mouzakis, Menke, H., A. Wunsch, R.M. Maxwel 2010.
Identifying aquifers susceptible to Impacts from CO2 leakage, Proceedings of the 2010 Carbon Capture &
Sequestration Conference, Simulation and Risk Assessment session, Pittsburgh PA.
Maxwel , R., E. Siirila, A. Wunsch, L. Peters, A. Atchley, A. Sitchler, J.E. McCray 2010. A quantitative
methodology to assess the risks to human health from CO2 leakage into groundwater, Proceedings of the
2010 Carbon Capture & Sequestration Conference, Simulation and Risk Assessment session, Pittsburgh
PA, March 23-25, 2010.
Siirila, E, A. Sitchler, R. Maxwel , J. McCray, 2010. A quantitative methodology to assess the risks to
human health from CO2 leakage into groundwater, CUAHSI Biannual Science Meeting, Boulder, CO, July
2010.
Maxwel , R.M., E. Siirila, A. Wunsch, L. Peters, A. Atchley, A. Sitchler, and J.E. McCray, 2010. A
quantitative methodology to assess the risks to human health from CO2 leakage into groundwater, Ninth
Annual Conference on Carbon Capture & Sequestration, Pittsburg, PA.
McCray, J.E., L. Peters, , E. Siirila, A. Sitchler. K. Mouzakis, A. Wunsch, R.M. Maxwell 2010.
Geochemical response of CO2 leakage into shal ow aquifers during carbon sequestration, World
Environmental and Water Resources Conference, Providence RI., May 17-20, 2010.
McCray, J.E., R.M. Maxwell, A. Sitchler, L. Peters, E. Siirila,. A. Wunsch, 2010. Influence of CO2 leakage
on aquifer drinking water quality during carbon sequestration, National Ground Water Association
Summit, Denver CO, April, 2010.
Mikkelson, K.M., McCray, J.E., 2009. Preliminary investigations into the impact of metal transport across
the groundwater/surface water interface due to the mountain pine beetle epidemic: Pennsylvania Creek,
Summit County, Colorado, Geological Society of America, Abstracts with Programs, 41(7), 43.
Altman, P., Christensen, K.E., McCray, J.E., Schaeffer, C.E, 2009. Investigation of biologically enhanced
DNAPL dissolution in a bench-scale three-dimensional fracture network, Geological Society of America,
Abstracts with Programs, 41(7), 696.

13

Christensen, K.E., Altman, P., McCray, J.E., Schaeffer, C.E, 2009. Investigating DNAPL dissolution
kinetics in a saturated bench-scale fracture network, Geological Society of America, Abstracts with
Programs, 41(7), 696 (Invited)
Davenport, S., McCray, J.E., Munakata-Marr, J., 2009. Bacterial degradation of the xanthan polymer: use
as a subsurface amendment, Geological Society of America, Abstracts with Programs, Abstracts with
Programs, 41(7), 650.
Smith, M.M., Silva, J.A.K., Munakata-Marr, J., McCray, J.E., 2009. Working smarter not harder, using
viscous polymer solutions to achieve increased contaminant destruction in heterogeneous aquifers,
Geological Society of America, Abstracts with Programs, 41(7), 30.
Siegrist, R.L., Drewes, J., McCray, J.E., Munakata Marr, J., 2009. Sustainable Water Infrastructure using
Decentralized Systems, AEESP annual meeting.
Smith, M.M., Silva, J.A.K., Munakata Marr, J., and McCray, J.E., 2009. The Use of Polymer Solution for
Enhanced PCE Biodegradation in Heterogeneous Aquifer Settings, presented at the In Situ and On-Site
Bioremediation Tenth International Symposium, Battelle, May 5-8, Baltimore, MD.
Deardorff, J., McCray, J.E., Nummedal, D., 2009. A method for preliminarily assessing the CO2
sequestration potential of deep saline aquifer horizons, presented at the 2009 Ground Water Summit,
National Ground Water Association, April 19-23, Tucson, AZ.
Christensen, K.E., Altman, P., King, J., Schaefer, C. E., and McCray, J.E., 2009. Investigation of DNAPL
Dissolution in a Three-Dimensional Fracture Network (poster) presented at the 2009 Ground Water
Summit, National Ground Water Association, April 19-23, Tucson, AZ.
Smith, M.M., Silva, J.A.K., Munakata-Marr, J., and McCray, J.E., 2009. Polymer-enhanced remediation
techniques for more effective treatment of heterogeneous aquifers, presented at the 2009 Ground Water
Summit, National Ground Water Association, April 19-23, Tucson, AZ.
Roberts, S., McCray, J.E., Lowe, K., 2009. Evaluating Site Specific Limitations for Removal of Organic
Wastewater Contaminants in Onsite Wastewater System Soil Treatment Units, 2009 Ground Water
Summit Proceedings, National Ground Water Association, April 19-23, Tucson, AZ.
McCray, J., Geza, M., Murray, K., 2008. Watershed-scale assessment for onsite wastewater systems:
Model uncertainty analysis, calibration, and risk-based decision making, presented at The 21st Century
Watershed Technology: Improving Water Quality and Environment International Conference, Amer. Soc.
Agricul. Biological Engineers, March 29-April 3, 2008, University of Concepcion, Chile (Invited).
Silva,
J.A.K.,
McCray,
J.E.,
Smith,
M.M.,
Marr,
J.M.,
2008.
The
addition
of
water-soluble polymers to enhance the delivery of in situ remediation agents in
heterogeneous strata. presented at the 2008 SERDP/ESTCP Partners in Environmental
Technology Technical Symposium, Washington, DC., December 2-4 2008.
Smith, M.M., J.A.K. Silva, J. Munakata-Marr, J.E. McCray, 2008. Coupling polymer floods with
biodegradation and chemical oxidation treatments - Techniques to achieve more effective
groundwater remediation in heterogeneous aquifers. presented at SERDP/ESTCP Partners in
Environmental Technology Technical Symposium. Washington, D.C., December 2-4, 2008.
Smith, M.M., J.A.K. Silva, J. Munakata-Marr, J.E. McCray, 2008. Coupling polymer floods with Chemical
Oxidants and Bio-agents. American Geophysical Union (AGU) Conference Oral Presentation. San
Francisco, CA, December 15-19, 2008.
Smith, M.M., J.A.K. Silva, J.E. McCray and J. Munakata Marr, 2008. Polymer and Chemical Oxidant
Mixtures for Groundwater Remediation, Pure and Applied Chemistry International Conference, Bangkok,
Thailand, January 30-February 1, 2008.
McCray, J.E., Silva, J.A.K., Smith, M.S., Munakata-Marr, 2008. Polymer-Enhanced Delivery of Chemical
Oxidants and Bioamendments to DNAPL Zones, 6th International Conference on Remediation of
Chlorinated and Recalcitrant Compounds, Monterey, California, May 19-22.

14

King, J.D., McCray, J.E., Schaefer, C.E., Christensen, K., 2008. Determining the Controls on DNAPL
Dissolution within a Discrete Fracture Network through Physical Experimentation and Modeling.
Presented at the 2008 World Environmental and Water Resources Congress, Honolulu, Hawaii, May 13-
16, Environmental and Water Resources Institute. American Society of Civil Engineers.
Smith, M.S., Silva, J.A.K., McCray, J.E., 2008. Coupled Polymer Floods and Traditional Remediation
Techniques for More Effective Groundwater Treatment. Presented at the 2008 World Environmental and
Water Resources Congress, Honolulu, Hawaii, May 13-16, Environmental and Water Resources Institute.
American Society of Civil Engineers.
Smith, M.S., Silva, J.A.K., Munakata-Marr, J., McCray, J.E., 2008. Using Polymer Floods to Overcome
Heterogeneity Effects during Bioremediation and Chemical Oxidation Ground Water Treatments.
Presented at the 2008 Ground Water Summit, Memphis, Tennessee, March 30-April 3, National Ground
Water Assoc., Westervil e OH.
Lindstrom, K.A., McCray, J.E., Lowe, K.S., Siegrist, R.L., 2008. Using Field Data and Mathematical
Modeling to Evaluate Potential Nitrogen Removal from Onsite Wastewater Systems, Abstract submitted
to the 2008 Ground Water Summit, NGWA Annual Conference, Memphis TN.
Lindstrom, K.A., McCray, J.E., Lowe, K.S., Siegrist, R.L., 2008. Using Field Data and Mathematical
Modeling to Evaluate Potential Nitrogen Removal from Onsite Wastewater Systems, Abstract submitted
to the 2008 NOWRA 17th Annual Technical Exhibition and Conference, Memphis TN, April 2008.
Smith, M.S., J.A.K. Silva, J.E. McCray, 2007. Polymer-enhanced Chemical Oxidation: Compatibility and
Effectiveness for Ground Water Remediation of Chlorinated Contaminants Poster presentation presented
at the SERDP/ESTCP 2007 Partners in Environmental Technology Tecnical Session, Washington, DC:
December, 2007.
Silva, J.A.K., Smith,M., McCray, J.E., Marr, J.M., 2007. "Water-soluble polymers to enhance the sweep-
efficiency of in situ remediation agents." Poster presentation presented at the SERDP/ESTCP 2007
Partners in Environmental Technology Technical Session, Washington, DC: December, 2007.
Smith, M.S., Silva, J.A.K., McCray, J.E., 2007. Polymer-Oxidant Compatibility for Use as a Combined
Groundwater Remediation Treatment Water. Presented at the 2007 Ground Water Summit,
Albuquerque, New Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
Smith, M.S., J.A.K. Silva, J.E. McCray, 2007. Polymer-enhanced Chemical Oxidation: Compatibility and
Effectiveness for Ground Water Remediation of Chlorinated Contaminants, Geological Society of America
2007 Annual Meeting, Abstracts with Programs Vol. 39 No. 6, 2-11, p. 136, Denver, Colorado.
Smith, M.S., Silva, J.A.K., McCray, J.E., 2007. Coupled Techniques for More Efficient Groundwater
Remediation: Polymer Floods and Oxidation Treatment. Poster presented at the 2007 Partners in
Environmental Technology Technical Symposium & Workshop, Washington, D.C., December 4-6,
Strategic Environmental Research and Development Program – Environmental Security Technology
Certification Program.
Tucholke, M.B., McCray, J.E., Thyne, G.D., and Waskom, R.M. "Multivariate statistical analysis of
denitrification in the vadose zone." Presented at the 27th Annual American Geophysical Union Hydrology
Days, March 19-21 2007, Fort Collins, Colorado.
Oldham, G.L., J.E. McCray, J.E. Drewes, C. Hoppe, U.K. Huebner, 2007. Modeling Transport of Selected
Organic Trace Pol utants during Riverbank Filtration, Geological Society of America 2007 Annual
Meeting, Abstracts with Programs Vol. 39 No. 6, 212-14, p.243, Denver Colorado.
Oldham, G.L., C. Hoppe, K. Chamberlain, J.E. Drewes, J.E. McCray, 2006. Modeling Transport of
Selected Organic Trace Pollutants during Riverbank Filtration, Poster presented at Water Environment
Federation/American Water Works Association Student Conference, Fort Collins, Colorado, May 19,
Colorado State University.
Oldham, G.L., J.E. Drewes, J.E. McCray, C. Hoppe, U.K. Huebner, 2007. Modeling Transport of Selected
Organic Trace Pol utants during Riverbank Filtration, presented at 2007 Summer Specialty Conference:
"Emerging Contaminants of Concern in the Environment: Issues, Investigations, and Solutions," Vail,
Colorado, June 25-27, American Water Resources Association.

15

King, J.D., McCray, J.E., Schaefer, C.E., 2007. State of the art research on the processes controlling the
dissolution of dense non-aqueous phase liquids in fractured media. Presented at the 2007 Ground Water
Summit, Albuquerque, New Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
King, J.D., McCray, J.E., Schaefer, C.E., 2007. Three-dimensional experiment design to characterize the
behavior of dense non-aqueous phase liquid transport and dissolution in fractured media. Poster.
Presented at the 2007 Ground Water Summit, Albuquerque, New Mexico, April 29-May 3, National
Ground Water Assoc., Westervil e OH.
Lindstrom, K.A., McCray, J.E., Thyne, G.D., 2007. Modeling of Phosphorus Reactions during Wastewater
Infiltration using Analytical and Numerical Modeling Techniques. Presented at the 2007 Ground Water
Summit, Albuquerque, New Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
Lindstrom, K.A., K.S. Lowe, J.E. McCray, R.L. Siegrist, 2007. Using Field Data and Mathematical
Modeling To Evaluate Potential Nitrogen Removal in Onsite Wastewater Systems, Geological Society of
America 2007 Annual Meeting, Abstracts with Programs Vol. 39 No. 6, 13-2, p.42, Denver Colorado.
Lindstrom, K.A., McCray, J.E., Thyne, G.D., 2007. Modeling of Phosphorus Reactions during Wastewater
Infiltration using Analytical and Numerical Modeling Techniques. Presented at the 28th Annual Hydrology
Days Conference, Fort Col ins, Colorado, March 19-21, American Geophysical Union, Washington DC.
King, J.D. and McCray, J.E. 2007. Review of Research on the Processes Controlling the Dissolution of
Dense Non-Aqueous Phase Liquids in Fractured Porous Media. Presented at the 2007 Hydrology Days
Conference. Fort Col ins, Colorado. March 19-21. American Geophysical Union.
Tucholke, M.B., McCray, J.E., Thyne, G.D., Waskom, 2007. A simplified approach for predicting
denitrification rates in the sub-surface. Presented at the 2007 Ground Water Summit, Albuquerque, New
Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
Tucholke, M.B., J.E. McCray, 2007. A simple tool for predicting the denitrification rate potential in the
vadose zone based on sand, silt or clay composition, Geological Society of America 2007 Annual
Meeting, Abstracts with Programs Vol. 39 No. 6, 212-4, p.576, Denver Colorado.
Deardorff, J.W., McCray, J.E., Sarg, J., Nummedal, D., 2007. The carbon sequestration potential of the
Denver-Julesburg Basin. Presented at Geological Society of America Annual Meeting, Denver, Colorado,
October 28-31, Geological Society of America, Denver, Colorado.
Deardorff, J.W., McCray, J.E., Sarg, J., Nummedal, D., 2007. The carbon sequestration potential of the
Denver-Julesburg Basin. Presented at GIS in the Rockies, Denver, Colorado, September 12-13, GIS in
the Rockies, Denver, Colorado.
Geza, M, J.E. McCray, and Eileen Poeter, 2007, Watershed model parameter sensitivity, auto calibration
and prediction uncertainty using inverse techniques in Turkey Creek watershed, GSA Abstracts with
Programs Vol. 39, No. 6, Denver Colorado.
Geza, M., and McCray J. E. 2207. Modeling the Effect of Discharges from On-Site Septic Systems and
Sewers on Stream Nutrient Loading in Turkey Creek Watershed using WARMF Model 2007 Ground
Water Summit Albuquerque, New Mexico . April 29-May 3, 2007
Oldham, G., J. Drewes, J.E McCray, C. Hoppe, U. Huebner., 2007. "Modeling Transport of Selected
Organic Trace Pol utants during Riverbank Filtration Conditions, Groundwater Summit " Albuquerque,
NM. Apr 29 - May 2, 2007. National Groundwater Association, Westerville OH.
Smith, S.M., K.E. Kolm, J.E. McCray, 2007. Use of Fourier Harmonics in Ground-water Modeling with
Application to Paleohydrological Spring Discharge, Geological Society of America 2007 Annual Meeting,
Abstracts with Programs Vol. 39 No. 6, 159-2, p.214, Denver Colorado.
Smith, S.M., K.E. Kolm, J.E. McCray, 2007. Hydrologic Systems-Based Groundwater Modeling for
Determining Sustainability of Drinking Water Supplies in Ancient Communities. Presented at the 59th
Annual Meeting of the Geological Society of America – Rocky Mountain Section, St. George, Utah.
Abstract No: 121460, GSA Abstracts with Programs Vol. 39, No. 5, May 7-9, 2007.

16

Silva, J.A.K., Smith, M.S., McCray, J.E., 2007. Water-soluble polymers to enhance sweep efficiencies of
in situ remediation amendments. Presented at the 2007 Ground Water Summit, Albuquerque, New
Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
Smith, M.S., Silva, J.A.K., McCray, J.E., 2007. Polymer-oxidant compatibility for use as a combined
groundwater remediation treatment, presented at the 2007 Ground Water Summit, Albuquerque New
Mexico, April 29-May 3, National Ground Water Assoc., Westervil e OH.
King, J.D. and J.E. McCray. 2007. Review of Research on the Processes Controlling the Dissolution of
Dense Non-Aqueous Phase Liquids in Fractured Porous Media, Abstract, American Geophysical Union,
Hydrology Days. Fort Col ins, Colorado, USA. March 20, 2007.
King, J.D., J.E. McCray, and C.E. Schaefer, 2007. State of the Art Research on the Processes
Control ing the Dissolution of Dense Non-Aqueous Phase Liquids in Fractured Media, presented at the
2007 Ground Water Summit, Albuquerque New Mexico, April 29-May 3, National Ground Water Assoc.,
Westervil e OH.
King, J.D., J.E. McCray, and C.E. Schaefer, 2007. Three-Dimensional Experiment Design to
Characterize the Behavior of Dense Non-Aqueous Phase Liquid Transport and Dissolution in Fractured
Media. presented at the 2007 Ground Water Summit, Albuquerque New Mexico, April 29-May 3, National
Ground Water Assoc., Westervil e OH.
Geistlinger, H., D. Lazik, and J.E. McCray, 2006. Pore Scale- and Continuum Scale Modeling of Direct
Gas Injection Experiments, Eos Trans. AGU, 87(xx), Fall Meet. Suppl., Abstract xxxx-ab.
McCray, J.E., Oldham, G., Hoppe, C., Drewes, J., 2006. Investigation of nonequilibrium physical,
chemical, and microbiological transport processes for emerging organic contaminants using models and
laboratory tracer tests, Geol. Soc. Amer., Abstracts with Program, 38(7), p. 219, Abstract No. 115159,.
Geza, M., McCray, J. E. 2006. Effects of Soil Data Resolution on Hydrology and Non-Point Source
Pollution Model Predictions, Philadelphia, Pennsylvania, Geol. Soc. Amer., Annual Meeting (22-25
October); Geol. Soc. Amer., Abstracts with Program, 38 (7), p. 121, Abstract No. 116105.
Smith, S.M., Kolm, K.E., McCray, J.E., 2006. Use of sensitivity analysis to establish ranges of spring
discharge and drinking water supply for prediction of prehistoric settlement populations, canyon of the
ancients national monument, Southwest Colorado; Philadelphia, Pennsylvania, Geol. Soc. Amer., Annual
Meeting (22-25 October); Geol. Soc. Amer., Abstracts with Program, 38 (7), p.180, Abstract No. 114755.
Smith, S.M., Kolm, K.E., Varien, M.D., McCray, J.E., 2006. Statistical and analytical comparisons
between drinking water supply and prehistoric population distribution, Canyon of the Ancients National
Monument, Southwest Colorado; Philadelphia, Pennsylvania, Geol. Soc. Amer., Annual Meeting (22-25
October); Geol. Soc. Amer., Abstracts with Program, 38 (7), p. 160, Abstract No: 114833.
Skold, M.E., Thyne, G.D., McCray, J.E., Drexler, J.W., 2006. Methodology for automatically estimating
stability constants from experimental data; Philadelphia, Pennsylvania, Geol. Soc. Amer., Annual Meeting
(22-25 October); Geol. Soc. Amer., Abstracts with Program, 38 (7), p. 115, Abstract No. 114785.
Thyne, G.D., Skold, M.E., McCray, J.E., Drexler, J.W., 2006. Modeling mixed waste remediation with
cyclodextrin; Philadelphia, Pennsylvania, Geol. Soc. Amer., Annual Meeting (22-25 October); Geol. Soc.
Amer., Abstracts with Program, Vol. 38 (7), p. 201, Abstract No. 116346.
Gurdak, J.J., Walvoord, M.A., McMahon, P.B., and McCray, J.E., 2006. Estimating aquifer susceptibility
to enhanced chemical transport near irrigation wells using artificial neural networks, High Plains aquifer;
Philadelphia, Pennsylvania, Geol. Soc. Amer., Annual Meeting (22-25 October); Geol. Soc. Amer.,
Abstracts with Program, Vol. 38 (7), p. 157-158, Abstract No: 114755.
Smith, S.M., Kolm, K.E., McCray, J.E., 2006. Drought Effects on Prehistoric Settlements:
Paleohydrologic Modeling of Spring Discharge, Canyon of the Ancients National Monument, Southwest
Colorado; Longmont, CO., Geol. Soc. Amer., Specialty Meeting, Managing Drought and Water Scarcity in
Vulnerable Environments: Creating a Roadmap for Change in the United States (18-20 September); GSA
Specialty Meetings Abstracts with Programs, Abstract No: 109045, ISSN 1556-4800, No. 3. [Invited]

17

McCray, J.E., 2006. NAPL-Mixture dissolution effects on plume centroid movement, presented at the
2006 Ground Water Summit, San Antonio Texas, April 23-26, NGWA, Westervil e OH.
Skold, M.E., Thyne, G.D., McCray, J.E., Drexler, J.W., 2006. Remediation of Metal Contaminated Soil –
Which is the “Best” Conceptual Model and how Accurate is it?, presented at the 2006 Ground Water
Summit, San Antonio Texas, April 23-26, NGWA, Westervil e OH.
Smith, S.M., Kolm, K.E., McCray, J.E., 2006. Drought Effects on Prehistoric Settlements:
Paleohydrologic Modeling of Spring Discharge, Canyon of the Ancients National Monument, Southwest
Colorado; Longmont, CO., Geol. Soc. Amer., Managing Drought and Water Scarcity in Vulnerable
Environments: Creating a Roadmap for Change in the United States (18-20 September); Abstracts with
Programs.
Skold, M.E., Thyne, G.D., McCray, J.E., Drexler, J.W., 2005. Enhancing solubility of metal contaminants
using carboxymethyl-β-cyclodextrin (CMCD) as complexing agent; Fort Collins, Colorado; Hydrology
Days, Colorado State University, American Geophysical Union.
Gurdak, J.J., Qi, S.L., and McCray, J.E., 2005. Evaluating uncertainty of ground-water vulnerability
predictions using Latin Hypercube sampling. Hydrology Days, Colorado State University, American
Geophysical Union.
McCray, J.E., Downs, W., Falta, R.W., Housley, T., 2005. Transport of Carbon Tetrachloride in a
Fractured Vadose Zone due to Atmospheric Pressure, Diffusion, and Vapor Density, Eos Trans. AGU,
86(62), Fall Meet. Suppl., Abstract H22A-07.
Lin, H., Bales, R., Gochis, D., Hornbuckle, B., Johnson, B., Krajewski, W., McCray, J., McDonnell, J.,
Murray, K., Newman, B., Reed, P., Simpkins, B., Thyne, G., Wohl, E., Lal , U., 2005. Soils and the
CUAHSI Vision and Beyond, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H34D-03.
Skold, M.E., Thyne, G.D., McCray, J.E., Drexler, J.W., 2005. Use of Carboxymethyl-beta-cyclodextrin
(CMCD) as Flushing Agent for Remediation of Metal Contaminated Soil, Eos Trans. AGU, 86(62), Fall
Meet. Suppl., Abstract H22A-02.
Heatwole, K.K., McCray, J.E., Lowe, K.S., 2005. Predicting Nitrogen Transport from Individual Sewage
Disposal Systems (ISDS) for a Proposed Development in Adams County, Colorado, Eos Trans. AGU,
86(62), Fall Meet. Suppl., Abstract H31E-1392.
Doyle, S., McCray, J.E., Thyne, G.D., Lowe, K.S., 2005. Phosphorus transport at a wastewater
infiltration site; Mines Park, CO, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H31F-1360.
Gurdak, J.J., Li, S., McCray, J.E., 2005. Evaluating uncertainty of ground-water vulnerability predictions
using Latin hypercube sampling, American Geophysical Union Hydrology Days, Abstracts, Fort Collins,
Co, March 7 –9, 2005
McCray, J.E., Doyle, S., Thyne, G., Lowe, K.S., Siegrist, R.E., 2005. Assessing contaminant transport in
a small Rocky Mountain watershed using monitoring data and mathematical modeling, ASCE Watershed
Management Conference, Wil iamsburg, VA, July 19-22.
McCray, J. E., S. Doyle, G. Thyne, J. Bagdol, K. Lowe, and R. Siegrist, 2004, Assessing pollutant
transport in a mountain watershed using physical characterization, water-quality sampling, and
mathematical modeling, Amer. Water Resour. Assoc. National Mtg, Orlando, FL.
McCray, J. E., Poeter, E.P., 2004. Influence of NAPL-mixture dissolution dynamics on contaminant
plume movement, EOS Transactions, Amer. Geophys. Union, 85(47), Fall Meet. Suppl., Abstract No.
H42A-04.
Doyle, S., McCray, J.E., Lowe, K.S., 2004. Phosphorus sorption characterization at a wastewater
infiltration site; Mines Park, Co, Geol. Soc. Amer., Abstracts with Programs, 36(5), p. 466.
Bumgarner, J.R., and McCray, J.E., 2004. Numerical modeling of biozone permeability in wastewater soil
absorption systems, Geol. Soc. Amer., Abstracts with Programs, 36(5), p. 394.
McCray, J.E., Lemonds, P.J., 2004. Modeling phosphorus transport to streams from septic systems in a
developed mountain watershed, Geol. Soc. Amer., Abstracts with Programs, 36(5), p. 452.

18

Bailey, D.M., McCray, J.E., Scanlon, B.R., Reedy, R.C., Lowe, K.S.. 2004. METHODS COMPARISON
OF field parameter quantification of unsaturated flow at an existing wastewater infiltration system; Mines
Park, Golden, Colorado, Geol. Soc. Amer., Abstracts with Programs, 36(5), p. 466.
McCray, J.E., Downs, W., Falta, R.W., Housely, L.T., 2004. Influence of Atmosphere-Induced Pressure
Fluctuations on Subsurface Pollutant Vapor Transport, Hawaii International Conference on Sciences,
Hawai , January 13-17.
Blanford, W.J., R. M. Hinrichs, M. L. Brusseau, J. E. McCray, T. Boving. 2003. Evaluation of Techniques
to Separate Contaminants and Remove Excess Water from Post Aquifer Flushing Cyclodextrin Solutions.
American Geophysical Union National Meeting San Francisco, Ca.
Blanford, W., T. Boving, M. Brusseau, J. McCray, and G. Tick. 2003. Evaluation of Techniques to
Separate Contaminants and Remove Excess Water from Post Aquifer Flushing Cyclodextrin Solutions.
SERDP Environmental Technology Technical Symposium. Washington D.C.
Lemonds, P.J., McCray, J.E., 2003. Modeling watershed-scale water quality with focus on wastewater
pollutants in a mountainous Colorado basin, American Water Resources Association (AWRA) National
Meeting, San Diego, CA, Nov. 3-6.
Lemonds, P.J. and J.E. McCray, 2003. Modeling Mountain Watershed Hydrology in Summit County,
Colorado. AEG Annual Meeting, September 17-19, Vail, CO.
Divine, C.E., McCray, J.E., 2003. Characterizing hazardous waste sites with helium and neon
partitioning tracers: Laboratory and field results, Association of Engineering Geologists 46th Annual
Meeting, Program with Abstracts, Vail Colorado, September 15-21, 2003.
McCray, J.E., Lemonds, P.J., 2003. Quantitative assessment of pollutant source and transport in the
Blue River Watershed Colorado, Geol. Soc. Amer., Abstracts with Programs, vol. 35.
McCarthy, J.C., McCray, J.E., Thyne, G.D., 2003. Estimating groundwater recharge through a
heterogeneous vadose zone for the Central High Plains Aquifer using numerical modeling, Geol. Soc.
Amer., Abstracts with Programs, vol. 35.
Boving, T.B., McCray, J.E., Blanford, W.B., 2003. Comparison of two cyclodextrin remediation
approaches: line-drive versus push-pull, Geol. Soc. Amer., Abstracts with Programs, vol. 35.
Divine, C.E., McCray, J.E., 2003. three-phase partitioning tracer tests (PTTs) for ground-water systems:
Theory and field results, Geol. Soc. Amer., Abstracts with Programs, vol. 35
Divine, C.E., Madsen, L., McCray, J.E., 2003. Passive diffusion ground-water samplers: application in
heterogeneous systems, Geol. Soc. Amer., Abstracts with Programs, vol. 35.
Divine, C.E., J.E. McCray, 2003. DNAPLs, Kuhn, and the future of groundwater remediation. Abstracts
with Program, American Scientific Association Annual Meeting, Lakewood, CO, July 28, 2003.
Lemonds, P.J., McCray, J.E., 2003. The Lake Dillon watershed, Colorado: a watershed-scale water-
quality study, Geol. Soc. Amer., Abstracts with Programs, 35(5), 30.
Vanderbeek, G., Poeter, E.P., Thyne, G.D., McCray, J.E., 2003. Ground-water availability in Turkey
Creek Basin, Colorado, Geol. Soc. Amer., Abstracts with Programs, 35(5), 30.
Greaser, K., Thyne, G.D., McCray, J.E., 2003. Limitations in applying single-ion sorption constants for
ferrihydrite in natural solutions: Potential effect of multiple components and temperature, Geol. Soc.
Amer., Abstracts with Programs, 35(5), 28.
Dodds, M.E., Thyne, G.D., McCray, J.E., 2003. Evaluating the natural attenuation potential for a landfil
leachate plume comprised of BTEX and chlorinated ethenes, Geol. Soc. Amer., Abstracts with Programs,
35(5), 30.
Smith, H.E., McCray, J.E., Thyne, G.D., Lowe, K.S., Guelfo, J., Siegrist, R.L., 2003. Preliminary
characterization of the groundwater system in the Blue River Watershed, Colorado, with application to
onsite wastewater pollutants, Geol. Soc. Amer., Abstracts with Programs, 35(5), 28.

19

Blanford, W., Boving, T, McCray, J, and Blackwel , C., 2003. Cyclodextrin Groundwater Treatment
Study”, Proceedings 14th Annual Environment Virginia, Water: Securing Virginia’s Future. April 29 - May
1, 2003, Lexington, Virginia.
McCray, J.E., Dugan, P.J., Thyne, G.D., 2003. The influence of residual concentrations of a solubility
enhancement agent on post-remediation NAPL characterization using partitioning tracer tests,
Proceedings of NGWA Southwest Focus Conference, Water Supply and Emerging Contaminants, Feb
20-21, Phoenix, AZ.
McCray, J.E., Divine, C.E., Dugan, P.J., Wolf, L.M., Boving, T., Louth, M., Brusseau, M.L., Hayes, D.,
2002. Numerical modeling for integrated design of a DNAPL partitioning tracer test, Eos Trans. AGU,
83(47), Abstract H51C-10.
Dugan, P.J., McCray, J.E., Thyne, G.D., 2002. The Influence of a Chemical Remediation Agent on
NAPL-Water Partition Coefficients and Partitioning Tracer Test Results, Eos Trans. AGU, 83(47),
Abstract, H22A-0864.
McCray, J.E., Lemonds, P.J., Weintraub, L.H.Z., Guelfo, J.L., Lowe, K.S., Chen, C., Siegrist, R.L., 2002.
Assessing the influence of onsite wastewater pollutants on water quality in the Blue River Watershed
using two numerical water-quality models, Proceedings of the 2002 Rocky Mountain Section Amer. Water
Works Assoc. and Rocky Mountain, Water Environ. Fed., Annual Conference, Steamboat Springs, CO.
Boving, T.B., Blanford, W.J., Brusseau, M.L., McCray, J.E., 2002. Cyclodextrin enhanced removal of
DNAPL in the field under unconstrained conditions, Geol. Soc. Amer., Abstracts with Programs, 34(6),
528-529, 232-1.
Day, S.,K., Thyne, G.D., Poeter, E.P., McCray, J.E., 2002. Effects of population growth on water quality
in a mountain watershed, Geol. Soc. Amer., Abstracts with Programs, 34(6), 498, 218-18.
Divine, C.E., McCray, J.E., 2002. Partition coefficient robustness: implications for partitioning tracer tests
(PTTs), Geol. Soc. Amer., Abstracts with Programs, 34(6), 306, 136-2.
Divine, C.E, Wolf, L.M., McCray, J.E., Brusseau, M.L., 2002., Results of a field partitioning tracer test
(PTT), Naval Amphibious Base Little Creek, Virginia, Geol. Soc. Amer., Abstracts with Programs, 34(6),
496, 218-4.
Dodds, M. E., Thyne, G., McCray, J. E., 2002, Evaluating the natural attenuation potential of a
contaminant plume comprised of chlorinated ethenes and BTEX at a closed, unlined, municipal landfil in
Sheridan, Wyoming, Geol. Soc. Amer., Abstracts with Programs, 34(6), 308, 136-11.
Dugan, P.J., McCray, J.E., Thyne, G.D., 2002. Effect of post-remediation cyclodextrin concentrations on
NAPL-water partition coefficients, Geol. Soc. Amer., Abstracts with Programs, 34(6), 529, 232-2.
Greaser, K., McCray, J.E., 2002. Geochemical modeling of aqueous- and mineral-phase iron-hydroxide
chemistry in arctic streams near the Red Dog Mine, Northwest Alaska, Geol. Soc. Amer., Abstracts with
Programs, 34(6), 163, 72-2.
Lemonds, P.J., McCray, J.E., 2002. Using GIS for integrated watershed-scale modeling of wastewater
pollutant transport in Summit County, Colorado, Geol. Soc. Amer., Abstracts with Programs, 34(6), 447,
196-2.
McCarthy, J.C.. McCray, J. E., Thyne, G.D., 2002. Vadose zone transport of pesticides in the High
Plains: Evaluating groundwater quality risks using numerical simulations, Geol. Soc. Amer., Abstracts
with Programs, 34(6), 420-421, 186-4.
McCray, J.E., Divine, C.E., Wolf, L.M., Dugan, P.J., Louth, M., Blanford, W.J., Boving, T.B., 2002.
Integrated design of a DNAPL partitioning tracer test, Geol. Soc. Amer., Abstracts with Programs, 34(6),
530, 232-10.
Smith, H.L., McCray, J.E., Lowe, K.S., Siegrist, R.L., 2002. Use of uncertain or low cost data to
characterize the subsurface hydrology of the Blue River Watershed, Colorado, Geol. Soc. Amer.,
Abstracts with Programs, 34(6), 26, 7-22.

20

Statom, R., Thyne, G.D., McCray, J.E., 2002. Changes in leachate chemistry with increasing age at a
municipal solid waste landfil in Florida, Geol. Soc. Amer., Abstracts with Programs, 34(6), 531, 232-15.
Statom, R. A., McCray, J. E , Thyne, G.D., 2002, The use of a variably saturated dual-domain model to
simulate the temporal chloride data from a MSW landfil in Florida, Geol. Soc. Amer., Abstracts with
Programs, 34(6), 421, 186-5
Greaser, K., and McCray, J.E., 2002. Geochemical modeling of aqueous- and mineral-phase iron-
hydroxide chemistry in arctic streams near the Red Dog Mine, Northwest Alaska: GSA Abstracts with
Programs, 34(6).
Dugan, P.J., McCray, J.E., Thyne, G.D., 2002. Influence of chemical remediation agents on post-
remediation characterization of TCE NAPL using the partitioning tracer method, GSA Abstracts with
Programs, 34(4), P-38.
Divine, C., McCray, J.E., 2002. Partition coefficient robustness for helium and neon: implications for
partitioning tracer tests (PTTs), GSA Abstracts with Programs, 34(4), P-38.
Statom, R.A., Thyne, G.D., McCray, J.E., 2002. Temporal changes in leachate chemistry of a municipal
solid waste landfil in Florida, GSA Abstracts with Programs, 34(4), P-39.
Greaser, K., McCray, J.E., Thyne, G.D., 2002. The role of instream processes in buffering the surface
water quality draining zn-pb-fe sulfide deposits in the Brooks range, northwest Alaska, GSA Abstracts
with Programs, 34(4), P-37.
Murray, K.E., McCray, J.E., Statistical evaluation of uncertainty in small-scale gis-based soil property
databases, GSA Abstracts with Programs, 34(4), P-37.
Lemonds, P.J., McCray, J.E., Guelfo, J.L., Weintraub, L.H.Z., Lowe, K.L., Siegirst, R.L., 2002.
Evaluation and use of two watershed water-quality models to simulate septic system pollutants, GSA
Abstracts with Programs, 34(4), P-37.
Vanderbeek, G., Poeter, E.P., Thyne, G.D. McCray, J.E., 2002. Ground-water availability in turkey creek
basin, Co, GSA Abstracts with Programs, 34(4), P-37.
Day, S.K., Thyne, G.D., McCray, J.E., Poeter, E.P., 2002. Evaluation of the effects of population growth
on water quality in a mountainous watershed, GSA Abstracts with Programs, 34(4), P-37.
Thyne, G., Day, S., McCray, J.E., Poeter, E., 2002. Evaluation of the effects of population growth on
mountain watershed water quality, Fractured-Rock Aquifers 2002 Conference, NGWA-USGS, Denver
CO.
Poeter E., Thyne, G., McCray, J.E., Lee, J-Y., van der Beek G., 2002. Use of low-cost data to
characterize fractured-aquifer watersheds for management evaluations, Fractured-Rock Aquifers 2002
Conference, NGWA-USGS, Denver CO.
Dugan, P.J., McCray, J.E., 2001. Nonideal solubilization of TCE from a fuel-based mixture and influence
on advective-diffusive transport, Geol. Soc. Amer., Abstracts with Progams, 33(6), A-278.
Guler, C., Thyne, G., McCray, J.E., Turner, A.K., 2001. Evaluation of the graphical and multivariate
statistical methods used for classification of water-chemistry data, Geol. Soc. Amer., Abstracts with
Progams, 33(6), A-425
Huntzinger, D.N., McCray, J.E., Siegrist, R.L., Lowe, K., van Cuyk, S. 2001. The use of one-dimensional
laboratory experiments to assess hydraulic processes in wastewater soil absorption systems, EOS
Trans., Amer. Geophys. Union, 82(20), p. S196.
Kirkland, S.L., J. E. McCray, R. L. Siegrist, S. van Cuyk, 2001. Modeling fate and transport of domestic
wastewater pol utants at the watershed scale, EOS Trans., Amer. Geophys. Union, 82(20), p. S197.
McCray, J.E., Nevil e, C.J., 2001. Quantifying the uncertainties associated with analytical-model
approximations in vapor-phase pump-test analysis, EOS Trans., Amer. Geophys. Union, 82(20), p. S185.

21

Schlosser, S.A., Murray, K.E., McCray, J.E., 2001. Groundwater vulnerability assessment methodology
for contamination of groundwater by agricultural chemicals, EOS Trans., Amer. Geophys. Union, 82(20),
p. S163.
Murray, K.E., Schlosser, S.A., McCray, J.E., 2001. GIS Comparison of methods for predicting pesticide
contamination potential of ground water in Colorado, GSA Abstracts With Programs, 33, (5), p.A-17.
Mudd, P.J., Kirkland, S.L., McCray, J.E., Siegrist, R.L., 2001. Numerical modeling to characterize the
effects of wastewater pollutants on water quality in mountainous watersheds, Geol. Soc. of Amer.,
Abstracts with Programs, 33, (5).
Huntzinger, D., J. McCray, S. VanCuyk, R. Siegrist, 2001. Mathematical Modeling of Unsaturated Water
Flow in Wastewater Soil Absorption Systems, presented at the 21st Annual AGU Hydrology Days
Conference, April 2-5, Ft. Collins, CO.
Kirkland, S.L., R.L. Siegrist, J.E. McCray, C.W. Chen, L.H.Z. Weintraub, and R. Goldstein, 2001.
Determining watershed-scale inputs of nutrients from decentralized wastewater treatment systems,
presented at 21st Annual American Geophysical Union Hydrology Days Conference, April 2-5, Fort
Col ins, Colorado.
Z.L. Ceplecha, R.M. Waskom, T.A. Bauder, J.E. McCray and R. Khosla. 2001. Regional and Field Scale
Methodologies for Assessing Aquifer Vulnerability to Nitrate Contamination. Agronomy Abstracts 01:274.
Presented at Soil Sci. Soc. Amer. Annual Meeting, Charlotte, N.C., Oct. 24,.
Seo, H.S., McCray, J.E., 2000. Interfacial tension of multicomponent DNAPLs as a function of organic
composition, Geol. Soc. Amer., Abstracts with Programs, 33, (5).
Dugan, P.J., McCray, J.E., Thyne,G.D., 2000. Non-ideal dissolution behavior of chlorinated solvents from
fuel-solvent mixtures in groundwater, Geol. Soc. Amer., Abstracts with Programs, 33, (5).
Kirkland, S.L., McCray, J.E., Siegrist, R.L., Chen, C.W., Weintraub, L., and Goldstein, R.A., 2001.
Assessing cumulative effects of nutrient from decentralized wastewater treatment systems, Geol. Soc.
Amer., Abstracts with Programs, 33,(5).
Murray, K.E., Schlosser, S.A., McCray, J.E., Austin, B., 2000. Geographic information system analysis of
ground water vulnerability to pesticide contamination, Geol. Soc. Amer., Abstracts with Programs, 32, (7).
Wil iams, D.V., Thyne, G.D., McCray, J.E., 2000, A groundwater flow model for Indian Wells Valley,
Calif.: Testing open versus closed-basin models, Geol. Soc. Amer., Abstracts with Programs,32 (7).
McCray, J.E., Neville, C., 2000. Evaluation of traditional approximations associated with soil-vapor-
extraction pump tests, Geol. Soc. Amer., Abstracts with Programs, 32 (7).
Cadle, S., McCray, J.E., Thyne, G.D., Poeter, E.P., 2000. Groundwater flow model of a fractured
bedrock aquifer near Aspen Park Colorado, Geol. Soc. Amer., Abstracts with Programs, 32(5)
Huntzinger, D.N., McCray, J.E., van Cuyk, S.*, 2000. Numerical Simulation of Unsaturated Water Flow
and Pollutant Transport in Soil-Based Wastewater Treatment Systems, Geol. Soc. Amer., Abstracts with
Programs, 32(5).
McCarthy, J.C., McCray, J.E., Dennehy K.F., 2000. Evaluation of vadose zone fate and transport: High
Plains Regional Ground Water (HPGW) Study, NAWQA Program, reprinted in, Oklahoma Geology Notes,
60(2), 48.
McCarthy, J.C., McCray, J.E., Dennehy K.F., 2000. Evaluation of vadose zone fate and transport: High
Plains Regional Ground Water (HPGW) Study, NAWQA Program, Geol. Soc. Amer., Abstracts with
Programs, 32(5), A16.
Morgan, K.S., Thyne, G.D., McCray, J.E., 2000. Flowpath determination using geochemical modeling in
a fracture flow system, Turkey Creek Basin, Jefferson County, Colorado, Geological Society of America,
Abstracts with Programs, 32(5).
Murray, K.E., McCray, J.E., Waskom, R.M., Austin, B.M., 2000. Sensitivity of groundwater resources to
agricultural contamination in the San Luis Valley Colorado, Geol. Soc. Amer., Abstracts with Programs,
32(5).

22

Schlosser, S.A., McCray, J.E., Waskom, R., 2000. The effect of variations in hydrogeologic and
physicochemical transport properties on the model-predicted vulnerability of Colorado groundwater to
pesticides, Geol. Soc. Amer., Abstracts with Programs, 32(5).
Morgan, K.S., Thyne G. D., McCray, J. E., Cuffin, S. M., 1999. Geochemical Modeling to Constrain a
Fracture Flow Model, Turkey Creek Basin, Colorado, Geol. Soc. Amer., Abstracts with Programs, 31 (7),
A-491.
Huntzinger, D.N, J.E. McCray, S. VanCuyk, 2000. Numerical simulations of unsaturated water flow and
pollutant transport in soil-based Wastewater treatment systems, presented at the 20th Annual AGU
Hydrology Days Conference, Ft. Col ins, CO.
Johnson, R., Sneddon, K., Olhoeft, G., Poeter, E., McCray, J.E., 1999. The simultaneous use of inverse
modeling and ground penetrating radar data to enable the successful use of DNAPL flow models for
design of remedial action, Geol. Soc. Amer., Abstracts with Programs, 31 (7), A-86.
McCray, J.E., Bai, G., Brusseau, M.L, Mil er, R., 1999. Nonideal biosurfactant-enhanced solubilization of
nonaqueous phase liquid mixtures, Geol. Soc. Amer., Abstracts with Programs, 31 (7), A-215.
McCray, J.E. Brusseau, M.L., Ji, W. 1998. Contaminant specific mass transfer behavior of
multicomponent NAPLS in contaminated ground water systems: Laboratory and field investigations. EOS
Trans. Amer. Geophys. Union, 79.
McCray, J.E. and Brusseau, M.L, 1997. Enhanced in-situ flushing of multicomponent nonaqueous-phase
organic liquid at the field scale: Mass transfer characteristics, EOS Trans. Amer. Geophys. Union, 78(46),
F290.
Brusseau, M.L, McCray, J.E., Cain, R.B., Johnson, G., 1997. Field test of cyclodextrin-enhanced
flushing of an aquifer contaminated with multicomponent immiscible organic liquid, EOS Trans. American
Geophysical Union, 78(46), F290.
Brusseau, M.L, Wang, X., Boving, T.; McCray, J.E. 1997. In situ remediation of subsurface systems
contaminated by mixed wastes, EOS Trans. American Geophysical Union, 78(46), F261.
McCray, J.E. and Brusseau, M.L., 1997. Field test of cyclodextrin for remediation of a NAPL-
contaminated aquifer, Abstracts of Papers, 213th American Chemical Society National Meeting, 37 (1),
225-226, San Francisco.
Ji, W. Brusseau, M.L., McCray, J.E., Bryan, K.D., 1997. Modeling of cyclodextrin-enhanced remediation
of a NAPL-contaminated aquifer, Abstracts of papers, 213th American Chemical Society National
Meeting, 37(1), 251-253, San Francisco.
Brusseau, M.L., McCray, J.E., Wang, X., 1995. Use of cyclodextrin for ground water remediation of
nonaqueous phase liquids, Abstracts of Papers, 209th American Chemical Society National Meeting, 36
(1), New Orleans, LA.
McCray, J.E. and Falta, R.W., 1995. Air sparging for subsurface remediation: Numerical analysis using
T2VOC, Proceedings of the TOUGH Workshop ‘95, Lawrence Berkeley Lab., Berkeley, CA.
McCray, J.E. and Falta, R.W., 1995. Air sparging for subsurface remediation of dense nonaqueous
phase liquids, presented at: Heat Transfer 1995, American Institute of Chemical Engineers and American
Society of Mechanical Engineers, Portland OR.

23

Unpublished Oral Presentations (8)
McCray, J., Poeter, E., Thyne, G., Siegrist, R.L, 2006. Design guidelines to minimize groundwater
mounding below high-density onsite wastewater systems, Abstract, Presented at the 9th Annual DOWRA
(Delaware Onsite Wastewater Recycling Association) Conference, Harrington Delaware, (Invited)
McCray, J., 2006. Groundwater mounding below high-density onsite wastewater systems, Presented at
the Annual OOWA (Oregon Onsite Wastewater Association) Conference, Newport Oregon, (Invited)
Heatwole, K.K., McCray, J., 2006. Modeling nitrogen transport and transformation in the vadose zone
and aquifers, presented at the University of Minnesota, Statewide Meeting for Onsite Professionals and
Regulators (Invited).
McCray, J., 2006. Modeling tools to evaluate water-resources pollution from onsite wastewater systems,
University Department of Environmental Quality, Statewide Meeting for Onsite Professionals and
Regulators (Invited).
McCray, J.E., 2005. Evolution of contaminant plumes from multicomponent DNAPL sources, presented
at the Annual Meeting of the Colorado Ground Water Association, Denver CO, (Invited)
McCray, J.E. Lemonds, P.J., 2002. Assessment of the effects of onsite wastewater system effluent on
the Dillon Reservoir Watershed, Colorado, using a watershed-scale model (SWAT), Presented at the
Annual Meeting of the Colorado Environmental Health Association, Vail, CO (Invited).
Kirkland, S.L., J.E. McCray, R.L. Siegrist, 2001. Modeling Onsite Wastewater System Cumulative Effects
of Nutrients, presentation at the American Water Resources Association-Colorado Section meeting, May
29, Denver, CO.
McCray, J.E., Kirkland S., Siegrist, R.L. van Cuyk, S., Mudd, P.J., 2001. Cumulative effects of
wastewater pol utants at the watershed scale, presented at the annual meeting of the Colorado
Environmental Health Association, Glenwood Springs, CO (Invited).

Significant Project Reports (12)
Crimi, M., Silva, J., Palaia, T., McCray, J.E., 2011. Field test of polymer-enhanced chemical remediation
for solvent remediation, Final Project Report, Submitted to the U.S. DoD Environmental Technology and
Security Certification Program, 176 pp, Arlington VA.
Schaefer, C., McCray, J.E., Clement, P., Christensen, K., 2011. DNAPL dissolution in bedrock fractures
and fracture networks, Final Report for Project ER-1554, Submitted to the U.S. DoD Strategic
Environmental Research and Development Program, 206 pp, Arlington VA.
McCray, J.E., M. Geza, T.B. Boving, D. Radcliffe, M.B. Tucholke, K.S. Lowe, A. Wunsch, S. Roberts, J.
Amador, J. Atoyan, J. Drewes, D. Kalen, G. Loomis. 2010. Development of quantitative tools to determine
the expected performance of unit processes in wastewater soil treatment units. Final Report for Water
Environment Research Foundation Project No. DEC1R06, 488 pp. Alexandria, VA.
McCray, J.E., Marr, J.M., Silva, J.A.K., Smith, M., Davenport, S., 2010. Multi-Scale Experiments to
Evaluate Mobility Control Methods for Enhancing the Sweep Efficiency of Injected Subsurface
Remediation Agents, Final Report for Project ER-1486, Submitted to the U.S. DoD Strategic
Environmental Research and Development Program, 166 pp, Arlington VA.
McCray, J.E., Geza, M., Murray, K.E, Poeter, E.P., Morgan, D.S., 2009. User’s Guide for Watershed
Scale Modeling of Decentralized Wastewater Systems, Final Report for Water Environment Research
Foundation Project 04-DEC-6, Colorado School of Mines, Golden CO.
Lowe, K., Roth, N., Tomaras, J., DeJong, K., Tucholke, M., Drewes, J., McCray, J, and Munakata-Marr,
J. 2007. Influent Constituents Characteristics of the Modern Waste Stream from Single Sources:
Literature Review. Annual Report Project No. 04-DEC-1a. Prepared for the Water Environment
Research Foundation, Alexandria, VA, Colorado School of Mines, Golden, CO.

24

McCray, J.E., Silva, J.A.K., Smith, M., Munakata-Marr, J., 2006. Multi-Scale Experiments to Evaluate
Mobility Control Methods for Enhancing the Sweep Efficiency of Injected Subsurface Remediation
Agents, Annual Report for project ER-1486, Submitted to the U.S. Department of Defense, Strategic
Environmental Research and Development Program (SERDP), December 2010, Colorado School of
Mines, Golden, CO.
Heatwole K., McCray, J., Lowe, K, Murray, K., 2005. Evaluation of Potential Impact of ISDS in a
Proposed Development Area: Near Todd Creek, Adams County, Colorado, Project Final Report
submitted to Adams County Commissioners, August 25, 2005, by the Colorado School of Mines, Golden
CO.
Siegrist, R.L., J. McCray, R. Goldstein, C. Chen, J. Rada, L. Weintraub, K. Lowe, S. Van Cuyk, J.
Bagdol, S. Kirkland, P.J. Lemonds and H. Smith. 2004. Quantifying Site-Scale Processes & Watershed-
Scale Cumulative Effects of Decentralized Wastewater Systems. Project No. WU-HT-02-27. Prepared for
the National Decentralized Water Resources Capacity Development Project, Washington University, St.
Louis, MO, by the Colorado School of Mines, Golden, CO.
Poeter, E., McCray, J.E., Thyne, G.D., Siegrist, R.L., 2004. 'Guidance for Evaluation of Potential
Groundwater Mounding Associated with Cluster and High-Density Wastewater Soil Absorption Systems
(WSAS), Project No. WU-HT-02-45. Prepared for the National Decentralized Water Resources Capacity
Development Project, Washington University, St. Louis, MO, by the Colorado School of Mines, Golden,
CO.
Boving, T.B., McCray, J.E., Blanford, W., Brusseau, M.L., 2004. Cyclodextrin Enhanced Remediation at
NAB Little Creek, Virginia Beach, VA: Cost and Performance Assessment. Report to Environmental
Security Technology Certification Program, ESTCP (Department of Defense), 90 pgs.
Murray, K.E., McCray, J.E., 2002. State-Wide Vulnerability Assessments of Ground Water to Pesticide in
Colorado: Final Report submitted to the Colorado Dept. Public Health and Environment, October, 2002.
Brusseau, M., McCray, J., Cain, R.; Johnson, G., Bryan, K., 1997. Report on cyclodextrin flush
conducted at Hil AFB Site OU1, SERDP Technical Report; EPA Kerr Lab., Univ. of Arizona, Tucson.
Abernathy, A.R., McCray, J.E., and Augspurger, P., 1993. Channel configuration, sedimentology, and
hydrology for Howard Creek, Rept DPC/HCTRC360894 for Duke Power Co. Clemson Univ., SC.

Other Papers and Abstracts by McCray Students during Graduate School (15)
Albrecht, T.R., and Thyne, G.D., 2007. Distinguishing anthropogenic impact using hydrochemical and
spatial analyses, southeastern Piceance Basin, Colorado. Presented at the 27th Annual American
Geophysical Union Hydrology Days, March 19-21, Colorado State University, Fort Collins, CO.
Albrecht, T.R., Thyne, G.D., 2007. Using sequential hydrochemical analyses to distinguish natural and
anthropogenic sources of water quality variability, Piceance Basin, CO. Presented at the 2007 Ground
Water Summit, Albuquerque, New Mexico, April 29-May 3, National Ground Water Assoc., Westervil e,
OH.
Albrecht, T.R., and Thyne, G.D., 2007. Distinguishing natural and anthropogenic sources of water quality
variability, southeastern Piceance Basin, Colorado. Presented at the 59th annual meeting of the Rocky
Mountain section of GSA, St. George, Utah, May 7-9, Geological Society of America, Boulder, CO.
Divine, C.E. and Thyne, G., 2005, Detecting modern groundwaters with Kr, GW-161. In The
encyclopedia of Water, Jay Lehr, Editor, John Wiley and Sons.
Güler, C. and G. D. Thyne, 2006, Statistical Clustering of Major Solutes: Use as a Tracer for Evaluating
Interbasin Groundwater Flow into Indian Wells Valley, California, Environmental and Engineering
Geoscience 12(1), 53-65.
Güler C. and Thyne, G.D., 2004, Delineation of hydrochemical facies distribution in watersheds with
Fuzzy c-Means clustering. Water Resources Research 40, W12503.

25

Thyne, G.D., Guler, C. and Poeter, E., 2004, Sequential analysis of hydrochemical data for watershed
characterization, Ground Water 42 (5), 711-723.
Güler C. Thyne, G.D., 2004, Hydrologic and geologic factors control ing surface and ground water
chemistry in Indian Wells-Owens Val ey area and surrounding ranges, California, U.S.A. J. Hydrology
285, 177-198.
Poeter, E, Thyne, G, VanderBeek, G. and Guler, C., 2003, Ground Water in Turkey Creek Basin of the
Rocky Mountain Front Range in Colorado, in Engineering Geology in Colorado - Contributions, Trends,
and Case Histories, Association of Engineering Geologists, Denver, CO.
Johnson, R., and E. Poeter, 2006, Insights into the use of Time-Lapse GPR Data as Observations for
Inverse Multiphase Flow Simulations of DNAPL Migration, Journal of Contaminant Hydrology, v.89
Johnson, R. and E. Poeter, 2005, Iterative use of the Bruggeman-Hanai-Sen Mixing Model to Determine
the Proportions of Air, Water and Sand Mixtures, Geophysics, vol. 70 no. 5, K33-K38.
Johnson, R. and E. Poeter, 2005, Interpreting DNAPL Saturations in a Laboratory-Scale Injection Using
One- and Two-Dimensional Modeling of GPR Data, Ground Water Monitoring and Remediation, v. 25, no.
1, pp.159-169.
Johnson, R., and E. Poeter, 2002, Inverting Multiphase Flow Simulations with DNAPL Saturation
Observations Estimated from Geophysical Surveys, Acta Universitatis Carolinae Geologica, and in
Calibration and Reliability in Groundwater Model ing: A few steps closer to reality, IAHS Publication 277,
pg 259-268.
Gurdak, J.J., [In Review], Ground-water vulnerability: Nonpoint-source contamination, climate variability,
and the High Plains aquifer, VDM Verlag Publishing, 265 pp.

Gurdak, J.J., Walvoord, M.A., McMahon, P.B., [In Review], Susceptibility to enhanced chemical migration
from depression-focused preferential flow, High Plains aquifer, Vadose Zone Journal.
Gurdak, J.J., 2006, Human and Climate Stresses on Ground Water: Life and Water on the High Plains
Aquifer, United States. Research Institute for Humanity and Nature, First International Symposium –
Water and Better Human Life in the Future, Nov. 6-8, 2006, Kyoto, Japan, Conference Proceedings
Paper, 8pp.
Rothe, N.K. and K.S. Lowe, 2006. Wastewater Composition and Variability as Obtained from Literature
Sources. Proc. of the NOWRA 2006 Annual Technical Education Conference.

26


DOI-Based References of Above papers and Web Links
McCray. J.E., John Nieber, and Eileen P. Poeter, 2008, Ground-Water Mounding in the Vadose Zone
from Onsite Wastewater Systems: Analytical and Numerical Tools, ASCE Journal of Hydrologic
Engineering doi:10.1061/(ASCE)1084-0699(2008)13:8(710).

Dugan, P.J., McCray, J.E., Thyne, G.D., 2003. Influence of cyclodextrin on NAPL-water partition
coefficients with implications for post-remediation NAPL characterization using partitioning tracer tests,
Water Resources Research, 39(5), 1123, doi:10.1029/2002WR001672.
http://www.agu.org/pubs/back/wr/wrz.html
Seo, H.S., and McCray, J.E. 2002. Interfacial tension of chlorinated aliphatic DNAPL mixtures as a
function of organic-phase composition, Environmental Sci. Technol. 36 (6), 1292-1298.
10.1021/es010931q
Link: http://pubs3.acs.org/acs/journals/doilookup?in_doi=10.1021/es010931q
McCray, J.E., Dugan, P.J., 2002. Nonideal equilibrium dissolution of trichloroethene from a decane-
based NAPL mixture: Experimental and modeling investigation, Water Resources Research, 38(7),1097,
doi:10.1029/2001WR000883.
http://www.agu.org/pubs/back/wr/wrz.html
Güler, C., Thyne, G.D., McCray, J.E., Turner, A. K., 2002. Evaluation of the graphical and multivariate
statistical methods used for classification of water-chemistry data, Hydrogeology Jour., 10(4), 455-474,
doi: 10.1007/s10040-002-0196-6.
http://link.springer.de/link/service/journals/10040/tocs/t2010004.htm
Divine, C.E., Sanford, W., McCray, J.E., 2003. Helium and Neon Tracers to Measure Residual DNAPL:
Laboratory Investigation, Vadose Zone J., in press.
Divine, C.E., McCray, J.E., 2004. Estimation of membrane diffusion coefficients and equilibration times
for LDPE passive diffusion samplers, Environ. Sci. Technol., 38(6); 1849-1857. DOI: 10.1021/es034695q.
Santi, P., McCray, J.E., Martens, J., 2005. Investigating cross-contamination of aquifers near aquitard
pinch-outs, Hydrogeology Journal, 14(1), 51-68. DOI: 10.1007/s10040-004-0403-8.


27