Natural Resources Management and Engineering

Hydrogeology and Ground Water Resource Publications

Books, Monographs and Electronic Media

Robbins, G.A., and Barcelona, M.J., 2001, Soil and Groundwater Pollution, in Encyclopedia of Physical Science and Technology, Academic Press, San Diego, CA.

Robbins, G.A., and Barcelona, M.J., 2001, Soil and Groundwater Pollution, in Encyclopedia of Physical Science and Technology, Academic Press, San Diego, CA.

Robbins, G.A., 2001. Expedited Site Assessment: The CD, pub. Connecticut Department of Environmental
Protection, Hartford, CT (January 2001).

Refereed Journals

Robbins, G.A., 1989. Methods for Determining Transverse Dispersion Coefficients of Porous Media in Laboratory
Column Experiments.Water Resources Research, v. 25, No.6, p. 1249-1258.

Robbins, G.A., Bristol, R.D., and Roe, V.D., 1989. A Field Screening method for Gasoline Contamination Using a Polyethylene Bag Sampling System. Ground Water Monitoring Review, v. 9, No. 3, p. 87-97.

Roe, V.D., Lacy, M.J., Stuart, J.D., and Robbins, G.A., 1989. Manual Headspace Method to Analyze for the
Volatile Aromatics of Gasoline in Ground Water and Soil Samples. Analytical Chemistry, v. 61, p. 2584-
2585.

Robbins, G.A., Deyo, B.G., Temple, M.R., Stuart, J.D., and Lacy, M.J., 1990. Soil Gas Surveying for Subsurface
Gasoline Contamination Using Total Organic Vapor Detection Instruments: Part I, Theory and Laboratory
Experimentation, Ground Water Monitoring Review, v. 10, No. 3, p. 122-131.

Robbins, G.A., Deyo, B.G., Temple, M.R., Stuart, J.D., and Lacy, M.J., 1990. Soil Gas Surveying for Subsurface
Gasoline Contamination Using Total Organic Vapor Detection Instruments: Part II. Field
Experimentation, Ground Water Monitoring Review, v. 10, No. 4, p. 110-117.

Robbins, G.A. and Martin-Hayden, J.M., 1991. Mass Balance Evaluation of Monitoring Well Purging, Part I.
Theoretical Models and Implications for Representative Sampling. Journal of Contaminant Hydrology, v.
8, p. 203-224.

Martin-Hayden, J.M., Robbins, G.A., and Bristol, R.D., 1991. Mass Balance Evaluation of Monitoring Well
Purging, Part II. Field Tests at a Gasoline Contamination Site. Journal of Contaminant Hydrology, v. 8, p.
225-241.

Deyo, B.G., Robbins, G.A., and Binkhorst, G.K., 1993. Use of Portable Oxygen and Carbon Dioxide Detectors to Screen Soil Gas for Subsurface Gasoline Contamination. Journal Ground Water, v. 31, No. 4, p. 598-604.

Robbins, G.A., Wang, S., and Stuart, J.D., 1993. Using the Static Headspace Method to Determine Henry's Law Constants. Analytical Chemistry, v. 65, p. 3113 - 3118.

Nikolaidis, N.P., Robbins, G.A., Scherer, M., McAninch, B., Binkhorst, G., Asikainen, J., and Suib, S.L., 1994,
Vertical Distribution and Partitioning of Chromium in a Glaciofluvial Aquifer. Ground Water Monitoring
and Remediation, v. 14, no. 3, p. 150-159.

Robbins, G.A., McAninch, B.E., Gavas, F.M., and Ellis, P.M., 1995, An Evaluation of Soil Gas Surveying for H2S for Locating Subsurface Hydrocarbon Contamination. Ground Water Monitoring and Remediation, v. 15,
no.1, p. 124-132.

Lacy, M.J., Robbins, G.A., Wang, S., and Stuart, J.D., 1995, A Sequential Purging Procedure for Circumventing
Coelution When using the Static Headspace Method, Journal of Hazardous Materials, v. 43, p. 31-44.

Norkus, R.G., Mauer, J., Schultz, N.A., Stuart, J.D., Robbins,G.A., and Bristol, R.D., 1996, Field Examination of Ground Water Quality as an Indicator of Microbiological Activity at Gasoline Contaminated Sites. Chemosphere, v. 33, no.3, p. 421- 436.

Martin-Hayden, J.M., and Robbins, G.A., 1997, Plume Distortion and Apparent Attenuation due to Concentration
Averaging in Monitoring Wells. Ground Water, v. 35, no. 2, p. 339-346.

Binkhorst, G.K., and Robbins, G.A., 1998, Conducting and Interpreting Slug Tests in Monitoring Wells with
Partially Submerged Screens, Ground Water Journal, v. 36, no. 2, p. 225 - 229.

Robbins, G.A., Henebry, B.J., Schmitt, B.M., Bartolomeo, F.B., Green, A., and Zack, P.,1999, Evidence for MTBE in Heating Oil, Ground Water Monitoring & Remediation, v. XIX, No. 2, Spring Issue, p.65 - 69.

Henebry, B.J. and Robbins, G.A., 2000, Reducing the Influence of Skin Effects on Hydraulic Conductivity
Determinations in Multilevel Samplers Installed with Direct Push Methods, Ground Water, vol. 38, no. 6,
pp. 882-886.

Robbins, G.A., Henebry, B.J., Cummins, T.M., Goad, C.R., and Gilbert, E.J., 2000, Occurrence of MTBE in
Heating Oil and Diesel Fuel in Connecticut. Ground Water Monitoring Review, v. 20, no. 4, pp. 82-86.

Cummins, T.M., Robbins, G.A., Henebry, B.J., Goad, C.R., Edward J. Gilbert, E. J., Miller, M. E., and Stuart, J.D., 2001, A Water Extraction, Static Headspace Sampling, Gas Chromatographic Method to Determine
MTBE in Heating Oil and Diesel Fuel. Environmental Science & Technology, V.35 p.1202-1208.

Brainerd, R.J. and Robbins, G.A., 2004, A Tracer Dilution Method for Fracture Characterization in Bedrock Wells,
Ground Water Journal v.42, No 5, P 774-780.

Metcalf, M., and Robbins, G.A., 2007, Comparison of Water Quality Profiles from Shallow Monitoring Wells and Adjacent Multilevel Samplers, Ground Water Monitoring Review and Remediation, v. 27, no. 1, Winter 2007, p. 84–91.

Conference Proceedings and Special Publications

Robbins, G.A., Griffith, J.T., Stuart, J.D., and Roe, V.D., 1987.Use of Headspace Sampling Techniques in the Field to Quantify Levels of Gasoline Contamination in Soil and Ground Water: in Proc. of Petrol. Hydrocarb.
and Organic Chem. in Ground Water Conference; National Water Well Association, November 17-19.
Houston, Texas, p. 307-315.

Robbins, G.A., 1987. Influence of Pore Air/Water Exchange on the Diffusion of Volatile Organic Vapors in Soil; in Proc. Petrol. Hydrocarb. and Organic Chem. in Ground Water Conference; National Water Well Association, November 17-19, Houston, Texas, p. 509-520.

Robbins, G.A., and Temple, M.R., 1988. Detection of Subsurface Gasoline Contamination in New England
Glaciated Terrain Using Soil Gas Surveying, Proceedings of Nat. Wat. Well Assoc., Focus Conference on
Eastern Regional Ground Water Issues, Stamford, CT. Sept. 27-29, 1988, p. 635-648.

Robbins, G.A. and Hayden, J.M., 1988. Application of Cross-Well Voltage Measurements for assessing Fracture Flow Hydrology, Proceedings of Nat. Wat. Well assoc., focus Conference on Eastern Regional Ground Water Issues, Stamford, CT, Sept. 27-29, 1988, p. 223-248.

Griffith, J.T., Robbins, G.A., and Spittler, T.M., 1988. A New Method for Field Analysis of Soils Contaminated
with Aromatic Hydrocarbon Compounds, Proceedings of Nat. Wat. Well Assoc., Focus Conference on
Eastern Regional Ground Water Issues, Stamford, CT, Sept. 27-29, 1988, p. 223-248.

Robbins, G.A., 1989. The Effect of Screened Interval Selection on Contaminant Plume Mapping. In proceedings of the Hazardous Waste Assessment/Mitigation Conference, University of California, Davis, July 29, 1988.

Robbins, G.A., Bristol, R.D., Hayden, J.M., and Stuart, J.D., 1989. Mass Continuity and Distribution Implications for Collection of Representative Ground Water Sample from Monitoring Wells: In Proc. of Petrol.Hydrocarb. and Organic Chem. in Ground Water Conference; Nat. Wat. Well Assoc., November 15-17, Houston, Texas, p. 125-139.

Robbins, G.A., 1989. Subsurface Exploration by Soil-Vapor Techniques, in Proc. of Contamination and the
Constructed Project; Conn. Soc. of Civil Eng./Conn. Ground Water Assoc.,November 2-3, 1989. Berlin,
Connecticut, Session II, 7 p.

Robbins, G.A., Hayden, J.M., and Bristol, R.D., 1989. Vertical Dispersion of Ground Water Contaminants in the
Near-field of Leaking Underground Gasoline Storage Tanks: in Proc. of Petrol. Hydrocarb. and Organic
Chem. in Ground Water Conference; Nat. Wat. Well Assoc., November 15-17, Houston, Texas, p. 373-
381.

Stuart, J.D., Wang, S., Robbins, G.A., and Wood, C., 1991. Field Screening of BTEX in Gasoline-Contaminated
Ground Water and Soil Samples by a Manual, Static Headspace GC Method, in Proc. of Second
International Symposium-Field Screening Methods for Hazardous Wastes and Toxic Chemicals, National
Water Well Assoc., February 12-14, Las Vegas, NV, 10p.

Jasiorkowski, J.L., and Robbins, G.A., 1991, Systematic Variations in Relative Abundances of Aromatic
Compounds in Gasoline-Contaminated Ground Water, Proc. of Eastern Focus Conference, National Water
Well Assoc., Oct. 29-31, 1991, Portland, Maine, 13p.

Nikolaidis, N.P., Robbins, G.A., Scherer, M., Shen, H., McAnnich, B., Binkhorst, G., and Suib, S., 1992.
Geochemical Characterization of Chromium Contamination in Groundwater. American Geophysical
Union, Fall Meeting, December 7-11, San Francisco, California.

Robbins, G.A., 1993. Application of Field Screening Methods for Expediting and Improving Underground Storage
Tank Site Assessments. Short Paper and presentation at Conference on Field Screening for Environmental
Pollutants, Massachusetts Institute of Technology, October 26-27, 1992, 23. p.

Lacy, M.S., Wang, S., and Robbins, G.A., 1993. Circumventing Coelution in Screening Gasoline Contaminated
Soil and Water with Portable Gas Chromatographs. Poster Session at Third International Symposium on
Field Screening, February 24-26, Las Vegas, Nevada.

Robbins, G.A., 1995, The Latest Advances in Site Characterization, In Conf. proceed., Implementing a Risk-Based Corrective Action Approach, sponsored by Land Tech Remedial, Inc., Eatontown, NJ., November 3, 1995,
21 p.

Robbins, G.A., 1997, A Vertical Perspective on Cleaning Up LUST Sites, LUSTLINE, New England Interstate
Water Poll. Control, Comm. Bulletin 27, November, p 16 - 17.

Robbins, G.A., Butler, M.A., Gilbert E.J., Binkhorst, G.K., and Troskosky, C. 1997, Delineating Gasoline Entrapped below the Water Table, Proc. Of the XXVII Congress on Groundwater in the Urban Environment,
Nottingham, UK, 21-27 Sept. 1997, p. 523-526.

Gilbert, E.J. and Robbins, G.A. , 1998, Three-dimensional Mass Estimation for Evaluating Remediation
Effectiveness. Proc. of NGWA Petroleum Hydrocarbon and Organics Chemicals in Ground Water Conf.
Houston TX, Nov. 1998, p. 456-464.

Robbins, G.A., and Gilbert, E.J., and 2000, MTBE: A Conservative Tracer for Estimating Biodegradation and
Hydrodynamic Dispersion at Underground Storage Tank Sites., Proc. of Tram2000 Conf.., International
Association of Hydrogeologists, Leige, Belgium, May 25, p. 235-240.

Sernoffsky, R., Robbins, G., Mondazzi, R., 2004, Use of the In-Situ Troll 9000 to Locate Fractures Contributing to
Ground Water Flow in Bedrock Wells, in proceedings of 2004 US EPA/NGWA Fracture Rock conference,
September 13-15, Portland, Me, p.341-349.

Kram, M., Robbins, G., Zhang, R., 2006, Detailed Hydraulic Assessment Using a High-Resolution Piezocone
Coupled to the GeoVis., North American Environmental Field Conference and Exposition:
Advances in Environmental Site Characterization and Monitoring Technology, January 10 - 12, 2006,
Tampa, FL.

Technical Reports

Robbins, G., Bristol, R., Temple, M., Deyo, B., Stuart, J., and Roe, V. 1990. A Manual for Conducting Field
Screening for Subsurface Gasoline Contamination. USEPA Report, July, Draft.

Robbins, G.A., with Midwest Research Institute, 1990. Soil Vapor Survey Boot Camp Training Manual.

Robbins, G.A.,with Midwest Research Institute, 1991. Lab in the Bag Training Manual.

Robbins, G.A., 1992. Total Organic Vapor Detection Training Manual. U.S. EPA, Region IV.

Robbins, G.A., 1992. Soil Gas Survey Boot Camp Training Manual. U.S. EPA, Region IV.

Binkhorst, G.K., and Robbins, G.A., 1994, A Review and Assessment of Factors Affecting Hydraulic Conductivity Values Determined From Slug Tests, USEPA rept. EPA\600\R-93/202, 67 p.

Robbins, G.A., 1994, Field Screening Water and Soil for Volatile Organic Contamination, Training Manual,
University of Tennessee at Chattanooga, 4M Center for Underground Storage Tank Training and
Technology.

Robbins, G.A., 1994, Accelerated Field Site Characterization Employing APush@ Technologies,
Training Manual, University of Tennessee at Chattanooga, 4M Center for Underground Storage Tank
Training and Technology.

Bradshaw, B.K., and Robbins, G.A., 1996, Quality Assurance and Quality Control(QA/QC)Guidelines for Users of Field Screening Methods in the Determination of Excessively Contaminated Soils for Initial Remedial
Actions, Developed for Florida Department of Environmental Protection, April 18, 1996,19 p.

Robbins, G.A., Bradshaw, B.K., Binkhorst, G.K., Troskosky, C., Butler, M.A., and Destefanis, K., 1996, A
Summary of Field Screening Methods Potentially Useful for Determining A Excessively Contaminated
Soil for Initial Remedial Actions (IRAs), November 12, for Florida Department of Environmental
Protection.

Robbins, G.A., Binkhorst, G.K., Butler, M.A., Bradshaw, B.K.,Troskosky, C., and Billick, K.,1996, Recommended Guidelines for Applying Field Screening Methods in Conducting Expedited Site Investigations at Underground Storage Tank Sites in Connecticut, November 30, for Connecticut Department of Environmental Protection.

Robbins, G.A., and Butler, M.A., 1997, Recommended Guidelines for Multilevel Sampling of Soil and Ground
Water in Conducting Expedited Site Investigations at Underground Storage Tank Sites in Connecticut,
March 12, for Connecticut Department of Environmental Protection.

Robbins,G.A, Cummins, T.M., Henebry, B.J., Goad, C.B., and Gilbert, E.J., 2000,, An Assessment of MTBE
Contamination in Heating Oil, http://www.api.org/ehs/uconnmtbe/index.htm

Bartlett, S.A., Robbins, G.A., Mandrick, J.D., Barcelona, M.J., McCall, W., and Kram, M., 2004, Comparison of
Hydraulic Conductivity Determinations in Direct Push and Conventional Wells, Naval Facilities
Engineering Service Center, contract no. N47408-03-C-7407.

Abstracts

Robbins, G.A., 1987. Headspace Sampling Techniques for Field Evaluation of Soil and Ground Water
Contamination by Volatile Organic Compounds: Invited presentation and abstract at ASTM Seminar on
Standards Development for Ground Water Monitoring, Tampa, Florida, January 22-23, 1987.

Robbins, G.A., 1987. Influence of Pore Air/Water Exchange on the Diffusion of Volatile Organic Vapors in Soil.
Submitted to NWWA Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water:
Prevention, Detection and Restoration,Houston, Texas, November 1987.

Robbins, G.A., Griffith, J.T., Stuart, J.D., and Tillinghast, V.D., 1987. Use of Headspace Sampling Techniques in the Field to Quantify Levels of Gasoline Contamination in Soil and Ground Water. Submitted to NWWA
Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, Houston, Texas, November, 1987.

Robbins, G.A., 1988. Factors Affecting Detection of Contaminants in the Subsurface, Hazardous Waste
Assessment/Mitigation Conference, University of California, Davis, July, 29, 1988.

Robbins, G.A., Bristol, R.D., Roe, V.D., and Stuart, J.D., 1988. Inorganic Ground Water Quality Attributes of
Subsurface Gasoline Contamination, invited paper, Amer. Geophy. Union, Dec. 5-9, 1988.

Robbins, G.A., and Hayden, J.M., 1988. Use of Cross-Well Voltage Measurements for Evaluating the Hydrologic Characteristics of Fractured Crystalline Rock, invited paper, Geol. Soc. of Amer. 1988 Annual Meeting, Denver, Colorado, Oct. 31 - Nov. 3, 1988.Abstract with program, p. A238.

Roe, V., Nash, W., Stuart, J., and Robbins, G.A., 1989. Rapid, Manual Headspace Method to Analyze for Gasoline Contamination of Ground Water by Capillary Column Gas Chromatography, Pittsburgh Conference,
Atlanta, Georgia, March 6-10, 1989. Abstracts of papers, #800.

Stuart, J.D., Lacy, M.J., Roe, V.D., and Robbins, G.A., 1989. Ground Water and Soil Gas Monitoring at Sites of
Subsurface Gasoline Contamination in the Northeast, American Chemical Soc. Ann. Meeting, September 10-15, 1989, Extended Abstract, Preprints of papers, v. 29, No. 2, p. 489-490.

Schultz, N.A., Deyo, B., Robbins, G.A., Lisi, D., Lacy, M., and Stuart, J., 1990, Studies on the Bacterial Flora
Associated with Subsurface Gasoline Contamination Correlated with Various Site Parameters; Amer. Soc.
of Microbiology, Anaheim, California, Annual Meeting, May 13-17, 1990.

Lacy, M.J., Stuart, J.D., Robbins, G.A., and Deyo, B.G., 1990. Analyses of Soil Gas Samples by Evacuated
Stainless Steel Canisters and Gas Chromatography, Amer. Chem . Soc., Pittsburgh Conference, New York,
Annual Meeting, March 5-9., 1990.

Hayden, J.M., and Robbins, G.A., 1990. Simulating Monitoring Well Purging Using Mass Continuity Modeling,
EOS, Transactions of Amer. Geophy. Union, Annual Meeting, Baltimore, MD, p. 505.

Lacy, M.J., Wang. S., Stuart, J.D., Robbins, G.A., Binkhorst, G., and Jasiorkowski, J., 1991. Analyses of Gasoline Contaminated Groundwater for MTBE by Purge - and Trap/Gas Chromatography, Amer. Chem. Soc.,
Pittsburgh Conf. Proceedings, March 4-8, Chicago, IL, Abstract #304.

Guisto, R., Maurer, J., Schultz, N.A., Stuart, J.D., Robbins, G.A., Jasiorkowski, J., and Binkhorst, G., 1991. Field Analyses of Certain Inorganic Attributes in Gasoline- Contaminated Groundwater Samples, Amer. Chem.
Soc., Pittsburgh Conf. Proceedings, March 4-8, Chicago, IL, Abstract #554.

Stuart, J.D., Wang, S., Lacy, M., Robbins, G.A., Jasiorkowski, J., Binkhorst, G., and Martin-Hayden, J., 1991.
Analyses for BTEX in Gasoline Contaminated Ground Water by a Manual Static Headspace Method,
Amer. Chem. Soc., Pittsburgh Conf. Proceedings, March 4-8, Chicago, IL, Abstract #577.

Wood, C., Campbell, S., Stuart, J.D., Wang, So., Lacy, M.J., Robbins, G.A., Jasiorkowski, J., and Binkhorst, G., Field Analyses for MTBE in Gasoline Contaminated Groundwater, Amer. Chem. Soc., Pittsburgh.
Conf. Proceedings, March 4-8, Chicago, IL, Abstract #578.

Robbins, G.A., and Johnson, T.L., 1991. "Lab in a Bag"--A New Field Screening Method for Volatile Organic
Contaminants Using Total Organic Vapor Detectors. Proceedings at the Annual Meet. of the Assoc. of
Groundwater Scientists and Engineers (NWWA), Washington, D.C., Oct. 21-23.

Nikolaidis, N.P., Shen, H., and Robbins, G.A., 1991. Hydrogeologic and Geochemical Modeling of Chromium
Contamination in the Subsurface, presented at workshop on Chemodynamics of Groundwaters:
Confrontation of Laboratory and Filed Experiments and Modeling, Mont Sainte-Odile, Alsace, France,
Nov. 5-8.

Lacy, M.J., Stuart, J.D., Wang, S., and Robbins, G.A., 1992. Evaluation of the Interrelationship of Soil-Gas and
groundwater at a Gasoline Contaminated Site, Amer. Chem. Soc. Pittsburgh Conf., New Orleans, March 9-
13, Abstract #715.

Wang, S., Stuart, J.D., Lacy, M.J., and Robbins, G.A., 1992. A New Method for Determining Henry's Law
Constants for Volatile Organic Compounds By Static Headspace/Gas Chromatography, Pittsburgh Conf.,
New Orleans, March 9-13.

Lacy, M.J., Stuart, J.D, Wang, S., Robbins, G.A., and Wood, C., 1992. Comparison Between Field and Laboratory Measurements for Volatile Aromatic Comparison Between Field and Laboratory Measurements for
Volatile Aromatic in Gasoline Contaminated Groundwater Samples, Amer. Chem. Soc. Pittsburgh Conf.,
New Orleans, March 9-13, Abstract #1192.

Martin-Hayden, J.M., and Robbins, G.A., 1992. Apparent Plume Attenuation and Distortions due to Vertical
Concentration Averaging in Monitoring Wells, Geol. Soc. of Amer., Northeastern section meeting,
Harrisburg, PA, March 25-28, Abstracts with Programs.

Deyo, B.G., Binkhorst, B.G., and Robbins G.A., 1992. Soil Gas Carbon Dioxide and Oxygen Anomalies Associated with subsurface Gasoline Leakage, Geol. Soc. of Amer., Northeastern section meeting, Harrisburg, PA, March 25-28, Abstracts with Programs.

Binkhorst, B.G., and Robbins, G.A., 1992. Evaluation of Slug Test Methods for Methods for Determining
Hydraulic Conductivity. Geol. Soc. of America, Northeastern Section Meeting, Harrisburg, PA., March 25-
28, Abstract with Programs.

Nikolaidis, N.P., Robbins, G.A., Scherer, M., Shen, H., McAninch., B., Binkhorst, G., and Suib, S., 1992.
Geochemical Characterization of Chromium Contamination in Groundwater, Amer. Geophysical Union,
Fall meeting abstracts, p. 219.

Lacy, M.J., Wang, S., Robbins, G.A., and Stuart, J.D., 1993. Circumventing Coelution in ScreeningGasoline
Contaminated Soil and Water with Portable Gas Chromatographs, presented at Third International
Symposium on Field Screening Methods for Hazardous Waste Sites, Las Vegas, NV., February 24-26.

Robbins, G.A., 1993, Need for Practical Approaches to Conduct Multilevel Sampling, presented at USEPA
workshop on Groundwater Sampling, Dallas, Texas, November 30 -December 2.
Robbins, G.A., 1994, Field Measurements at Lust Sites, presented at Hazmat South 1994 Conf., Orlando FL,
February 18.

Lacy, M.J., Stuart, J.D., and Robbins, G.A., 1994, Sequential Headspace Purging to Remove Coelution in the
Headspace Method, presented at Pittsburg Conf., February 28.

McAninch, B.E., Robbins, G.A., Gavas, F.M., and Ellis, P.M., 1994, Hydrogen Sulfide Soil Gas Distributions
Associated with Hydrocarbon Fuel Contamination, EOS, Trans. Amer. Geophy. Union, v. 75, No. 44, Fall
Meet., p. 245.

Bradshaw, B.K., Robbins, G.A., Troskosky, C., Billick, K.A., Binkhorst, G.K., and McAninch, B.E., 1995, Use of Chloride in the Evaluation of Factors Affecting Vertical Contaminant Spreading from Gasoline
Contamination in Glacial Strata, Geol. Soc. of Amer., Northeastern Section Meet., March 1995, Cromwell, CT.

Binkhorst, G.K. and Robbins, G.A., 1996, Determination of NAPL Concentrations and Constituent Degradation in the Source Area of a LUST site, EOS, Trans. Amer. Geophy. Union, Spring Meet.

Bradshaw, B.K. and Robbins, G.A., 1997, Application of a Fiber Optic Chemcial Sensor for Soil Gas Surveying at an UST Site. In Proc. of the Fifth Symposium on Field Screening Methods for Hazardous Wastes and
Toxic Chemicals, Las Vegas, NV, January 29- 31.

Robbins, G.A., 1997, Linking Groundwater and Surface Water, presented at Soil and Water Conservation Society, S. New England Chpt. Conf, November 13, 1997, Auburn, MA.

Robbins, G.A., 1997, Linking Groundwater Threats, presented at Soil and Water Conservation Society, S. New
England Chpt. Conf, November 13, 1997, Auburn, MA.

Robbins, G.A., 1998, Environmental Hydrogeology for the New Millenium, Keynote Address, Conf. 5th annual,
Northeast Regional Student Environmental Conference, April 18, Lowell, MA.

Robbins, G.A., 1998, Hydrogeology in the Connecticut Setting, proc. Environmental Science for Lawyers Program, Connecticut Bar Association, April 17.

Robbins, G.A., and Gilbert, E.J., 1999, Constraints on the Vertical Spreading of LNAPL Contamination in
Groundwater, Invited paper, at Nat. Ground Water Assoc., 50th Anniversary meet., Las Vegas, NV,
December 13-16.

Henebry, B.J, and Robbins, G.A., 1999, Post-Remediation Detection of MTBE at a Leaking Underground Storage Tank Site, Northeastern Section Geological Society of America meeting, Providence, R.I. March 21-23.

Robbins, G.A., 1999, Expedited Site Assessment: The CD--Regulatory Guidance in Multimedia Format,
Northeastern Section Geological Society of America meeting, Providence, R.I. March 21-23.

Henebry, B.J., Schmitt, B.M., Robbins, G.A., Gilbert, E.J., Bartolomeo, F.B., Green A., Zack, P., 1999, Occurrence of MTBE Contamination in Fuel Oil and Diesel Fuel ???, Northeastern Section Geological Society of America meeting, Providence, R.I. March 21-23.

Gilbert, E.J., Henebry, B.J., and Robbins, G.A., 1999, Employing First Order Decay Rate Constants Determined from a Mass Estimation Approach to Predict Mass Dissipation with Time, Northeastern Section Geological Society of America meeting, Providence, R.I. March 21-23.

Cummins, T.M., Miller, M.E., Stuart, J.D., Robbins, G.A., Henebry, B.J., and Gilbert, E.J., 2000, Analysis by GC of MTBE Found in Heating and Diesel Fuels, Proc, of the Pittcon 2000 Conf., March 13, p. 236.

Robbins, G.A., Henebry, B.J., Goad, C.B., and Gilbert, E.J., 2000, An Assessment of MTBE Contamination in
Heating Oil, Proc. of Amer. Chem. Soc. annual Meet., San Francisco, CA, March 30.

Robbins,G.A., 2000, MTBE in Heating Oil and Diesel Fuel-Findings and Implications, Environmental
Professionals of Connecticut Meeting, Rocky Hill, CT, October 19.

Brainerd, R.J., and Robbins, G.A., 2002, A Stepwise Discharge Tracer Dilution Method For Deriving Fracture
Properties In Crystalline Bedrock Wells Geol. Soc. of Amer., Northeastern Section Meet., March 2002,
Springfield, MA.

Robbins, G.A., 2002, Accounting for Vertical Concentration Averaging in Monitoring Wells When Using the
Domenico Equation and Implications for Determining Biodegradation Rates in Inverse Modeling, Geol.
Soc. of Amer. Ann. meeting, Denver, CO, October 30.

Jones, V.T., Coleman, D.D., Becker, D.F., Anderson, T.H., Witherspoon, P.A., and Robbins, G.A., 2002, Surface
and Near-Subsurface Hydrocarbon Migration Patterns Associated with a Macroseep, in Successful
Application of Non-Seismic Techniques to Exploration, AAPG Annual Convention, Houston Texas.

Robbins, G.A., and McCall, W., 2003 Pneumatic Slug Test Workshop, at National Ground Water Association
EXPO, December Orlando FL .

Barcelona, M., Robbins, G., and Kaminski, D., 2004, Low Flow Purging and Sampling of Ground Water Monitoring
Wells, 2004, at North American Environmental Field Conference and Exposition, January 14-16, Tampa
FL.

Cagle, B.M., and Robbins, G.A., 2005, Hydraulic Conductivity of Prepacked Well Screens, Geol. Soc. of Amer.,
Northeastern Section Meet., March 2005, Saratoga Springs, NY.

Robbins, G.A., Metcalf, M., and Budaj, R., 2005, Evaluation of Purging and Sampling Bias in Conducting Remediation Compliance Monitoring, Geol. Soc. of Amer., Northeastern Section Meet., March 2005, Saratoga Springs, NY.

Robbins, G.A., Metcalf, M. and Budaj, 2005, Observations of Spurious MTBE Fluctuations, presented at API Soil and Groundwater Technical Task Force Meet., June 15, Storrs, CT.

Kram, M., Robbins, G., Zhang, R., and Jones, N., 2005, Detailed Hydraulic Assessment Using a High-Resolution Piezocone Coupled to the GeoVis, Dec 1,Partners in Environmental Technology Symposium and Workshop, ESTCP-SERDP, Dec. 1, Washington, DC.

Robbins, G.A., Metcalf, M., 2006, Evaluating the Effectiveness of Connecticut's MTBE Ban, presented at the USEPA, National UST Conference, Memphis, TN, March 20-22.

Robbins, G.A., 2006, 17 Years of Groundwater Sampling at a UST Site: So what have we learned? EPA Region 3 Technical Conference, May 5, Roanoke, VA.

Robbins, G.A., 2006, Potential Impacts of Excavation Blasting On Water Well Productivity and Ground Water
Quality, Water System Council, Connecticut Wellcare Workshop, September 21, Meriden, CT

Robbins, G.A., and Rondeau, J.C., 2006, Monitoring Small Releases from USTs and Assessing Vadose Zone
Infiltration, Presented at 22nd Annual International Conference on Soil, Sediments and Water, October 18,
University of Massachusetts, Amherst, MA.

Robbins, G.A., 2006, Overview and Significance of Biases Inherent in Traditional Groundwater Monitoring
Technologies and Sampling Method, Groundwater Resources Association of California
Symposium High Resolution Site Characterization And Monitoring, November 14-16, Long Beach,
California.

Robbins, G.A., and Rondeau, J., 2006, Monitoring Small Releases from USTs and Assessing Vadose Zone Infiltration, Presented at 22nd Annual International Conference on Soil, Sediments and Water, October 18, 2006 University of Massachusetts, Amherst, MA.

Kram, M., Robbins G., Bagtzoglou, A., Chau, J., and Jones, N., 2006,  Detailed Hydraulic Assessment Using a
High-Resolution Piezocone and 3-D Conceptual Models, Groundwater Resources Association of California
Symposium High Resolution Site Characterization And Monitoring, November 14-16, Long Beach,
California.

Metcalf, M., Robbins, G.A., Harel, O., Li, P., Martin-Hayden, J., 2007, Shadow Zone Capture During Purging and its Impact on Contaminant Concentration Averaging in Monitoring Wells, Geol. Soc. of Amer.,   Northeastern Section Meet., abstracts with programs, March , Durham, NH, p. 85.

Robbins, G.A., Rondeau, J., Metcalf, M., 2007, Ground Water Recharge Beneath the Asphalt at UST Sites, Poster   presented at 19th Annual National Tanks Conference and Expo, March, San Antonio, TX.

Robbins, G.A., Meyer, T., Thomas, M., Arafuzziman, K., Metcalf, M., Witharana,  C., U. Clark, E., Need for Digital Domestic Well Database for Connecticut, Presented at the 1st Connecticut Conference on Natural   Resources (CCNR), University of Connecticut, Storrs, CT, March 9, 2007.

Robbins, G.A., 2007, Dissolved Manganese Anomalies in Groundwater Associated with New Developments in Connecticut, Geol. Soc. of Amer., Northeastern Section Meet., abstracts with programs, March , Durham, NH, p. 53.