Puls, R.W. and C.J. Paul. 1997. Multi-Layer Sampling in Conventional Monitoring
Wells for Improved Estimation of Vertical Contaminant Distributions and Mass.
Journal of Contaminant Hydrology, 25(1-2):85-111.
Paul, C.J. and R.W. Puls. 1997. Ground-Water Sampling: Impacts of Turbidity and
Sampling Methodology on TCE and Degradation Products. Ground Water
Monitoring and Remediation, 16(4):128-133.
Powell, R.M. and R.W. Puls. 1997. Ground Water Sampling: Turbidity Effects on
Samples, Hydrogeologic Effects on Samples and Low-flow and Passive
Purging and Sampling. Pollution Engineering, 29(6): 50-54.
Puls, R.W. and M.J. Barcelona. 1995. Low-Flow (Minimal Drawdown) GroundWater Sampling Procedures. U.S. Environmental Protection Agency
Superfund Ground Water Issue Paper, Office of Solid Waste and Emergency
Response, EPA/540/S-95/504.
Puls, R.W., R.M. Powell and D.A. Clark. 1995. Assessment of Colloidal Transport
in Ground Water, Pinal Creek Basin, Arizona. Chapter C. USGS Open File
Report.
Puls, R.W. and C.J. Paul. 1995. Low-Flow Purging and Sampling of Ground-Water
Monitoring Wells with Dedicated Systems. Ground Water Monitoring and
Remediation, 15(1):116-123.
Puls, R.W. 1994. Ground Water Sampling for Metals. In Sampling of Environmental
Materials for Trace Analysis, ed. B. Markert, VCH Publ., Weinheim, Federal
Republic of Germany.
Puls, R.W., C.J. Paul, D. Clark, J. Vardy, and C. Carlson. 1994. Characterization of
Chromium-Contaminated Soils Using Field-Portable X-Ray Fluorescence.
Ground Water Monitoring and Remediation, 14(3): 111-115.
Puls, R.W. 1994. A New Approach to Purging Monitoring Wells. Ground Water Age,
28(5): 18-19.
Puls, R.W., M.J. Barcelona, J. McCarthy, J. Brown. 1994. Ground-Water Sampling:
A Workshop Summary, Dallas, TX, Nov. 30-Dec. 2, 1993, U.S.
Environmental Protection Agency Report, EPA/600/R-94/205, January,
1995.
Puls, R.W., C.J. Paul, and D.A. Clark. 1993. Surface Chemical Effects on Colloid
Stability and Transport Through Natural Porous Media. Colloids and Surfaces
A:Physicochemical and Engineering Aspects, 73: 287-300.
Powell, R.M. and R.W. Puls. 1993. Passive Sampling of Ground Water Monitoring
Wells Without Purging: Multilevel Well Chemistry and Tracer Disappearance.
Journal of Contaminant Hydrology, 12(1): 51-77.
Puls, R.W. and R.M. Powell. 1993. Laboratory Studies on the Stability and
Transport of Inorganic Colloids Through Natural Aquifer Material. In
Manipulation of Groundwater Colloids for Environmental Restoration, Lewis
Publ., Boca Raton, FL., ed. J.F. McCarthy and F. Wobber.
Puls, R.W., R.M. Powell, and C.J. Paul. 1992. Electrostatic Repulsive Effects on
the Mobility of Inorganic Colloids in Subsurface Systems. In Colloid and
Interfacial Aspects of Groundwater and Soil Cleanup, American Chemical
Society Book Publication - 65th Annual Colloid and Surface Science
Symposium, June 17-19, 1991, Norman, OK.
Puls, R.W. and R.M. Powell. 1992. Acquisition of Representative Ground Water
Quality Samples for Metals. Ground Water Monitoring Review, 12(3): 167176.
Puls, R.W., D.A. Clark, B. Bledsoe, R.M. Powell, and C.J. Paul. 1992. Metals in
Ground Water: Sampling Artifacts and Reproducibility. Hazardous Waste and
Hazardous Materials, 9(2): 149-162.
Puls, R.W. and J.H. Eychaner. 1990. Sampling of Ground Water for Inorganics Pumping Rate, Filtration, and Oxidation Effects. In Proceedings of the
Fourth National Outdoor Action Conference on Aquifer Restoration, Ground
Water Monitoring and Geophysical Methods. National Water Well
Association. Las Vegas Hilton, Las Vegas, Nevada, May, 1990.
Puls, R.W. and R.M. Powell. 1992. Transport of Inorganic Colloids Through Natural
Aquifer Material: Implications for Contaminant Transport. Environmental
Science and Technology, 26(3): 614-621.
Puls, R.W., R.M. Powell, D. Clark, N. Chamkasem and C. Eldred. 1991. Effects of
pH, solid/solution ratio, ionic strength, and organic acids on Pb and Cd
sorption on kaolinite. Tenth International Conference on Metals in Soils,
Water, Plants and Animals, Orlando, FL, USA. Water, Air, and Soil Pollution,
57-58: 423-430.
Puls, R.W., R.M. Powell, D.A. Clark, and C.J. Paul. 1991. Colloidal-Facilitated
Transport of Inorganic Contaminants in Ground Water: Part II. Colloidal
Transport. U.S. Environmental Protection Agency Environmental Research
Brief, EPA/600/M-91/040.
Puls, R.W., J.H. Eychaner, and R.M. Powell. 1990. Colloidal-Facilitated Transport
of Inorganic Contaminants in Ground Water: Part I. Sampling Considerations.
U.S. Environmental Protection Agency Environmental Research Brief,
EPA/600/M-90/023.
Puls, R.W. 1990. Colloidal Considerations in Ground Water Sampling and
Contaminant Transport Predictions. Nuclear Safety 31(1):58-65.
Puls, R.W. and M.J. Barcelona. 1989. Filtration of Ground Water Samples for
Metals Analyses. Hazardous Waste and Hazardous Materials 6(4):385-393.