Pitt | Swanson Engineering
Neufeld, Ronald D
Civil & Environmental Engr
Neufeld, Ronald D
Faculty
Professor
Office: Benedum 727
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PhD in Civil Engineering (Environmental Health Engineering), Northwestern University, 1973

MS in Chemical Engineering, Northwestern University, 1969

BE in Chemical Engineeirng, The Cooper Union, 1967

(2012) Elected Fellow-Water Environment Federation.

(2004) PWEA 2004 Professional Research Award Pennsylvania Water Environment Association.

(1995) Roy F. Weston Award - for leadership contributions and achievements in the area of industrial waste management in Pennsylvania.

(1994) ASCE Service Award.

(1990) ASCE Energy Division Service Award.

(1983) Senior Fulbright Scholar.

Diplomate, American Academy of Environmental Engineers.

RESEARCH GRANT AND CONTRACT SPONSORS: US DOE, ERDA, USEPA, NSF, AISI, U.S. Geological Survey-Dept. Interior, Pennsylvania Dept. Transportation, Electric Power Research Institute, Pennsylvania Energy Development Authority, Ben Franklin Technology Center o.

American Men and Women of Science.

Pu, X., Monnell, J.D., Vazquez, O., and Neufeld, R.D., "Total and Soluble Aluminum Concentration and Suspended Particles Size Distributions Impacted by Sulfate and Silica after the NaOH Neutralization of Al-bearing Acid Rock Discharge," Manuscript submitted for publication.

Neufeld, R.D., 2012, "CONTEMPARY TECHNOLGIES FOR SHALE-GAS WATER AND ENVIRONMENTAL MANAGEMENT; ISBN 978-1-57278-272-3," Water Environment Federation, Alexandria Virginia.

Neufeld, R.D., Ropelewski, L., and Acheson, M., 2012, "Sewage as a Mixed Organic Substrate for Desulfurization Bacteria," 2012 Water Environment Federation Convention, New Orleans.

Neufeld, R.D., Pu, X., and Vasquez, O., 2011, "Soluble and Total Aluminum after NaOH Neutralization of Acid Rock Discharges."

Neufeld, R.D., Pu, X., and Vazquez, O., 2011, "Soluble and Total Aluminum after NaOH Neutralization of Acid Rock Discharges," 2011 Water Environment Conference, Los Angeles.

Vazquez, O., Pu, X., Monnell, J., and Neufeld, R.D., 2011, "Major Processes dominating the release of aluminum from smectite clays when leached with AMD," Environmental Engineering Science, vol.28, no.3, pp. 163-169.

Neufeld, R.D., Monnell, J., and Ries, R., 2010, "Green Roof Technology as a Stormwater Best Management Practice," 2010 Water Environment Federation Convention, New Orleans.

Neufeld, R.D., Monnell, J., and Ries, R., 2010, "Green Roof Technology as a Stormwater Best Management Practice," 83rd Water Environment Federation Technical Exhibition and Conference.

Neufeld, R.D., Monnell, J., and Ries, R., 2010, "Green Roof Technology as a Stormwater Best Management Practice."

Pu, X., Vazquez, O., Monnell, J., and Neufeld, R.D., 2010, "Speciation of aluminum precipitates from acid discharges in central Pennsylvania," Journal Environmental Engineering Science, vol.27, no.2, pp. 169-180.

Vazquez, O., Pu, X., Monnell, J., and Neufeld, R.D., 2010, "Release of Aluminum from Clays in an Acid Rock Drainage Environment," Mine Water and the Environment.

Neufeld, R.D., Monnell, J., Ries, R., and Ni, J., 2009, "Monitoring Protocol and Data Collection: Comparison of the Runoff Water Quantity, Quality and Thermal Performances of Two Green Roof Technologies, Thin vs. Thick."

Bliss, D.J., Neufeld, R.D., and Ries, R.J., 2009, "Storm Water Runoff Mitigation Using a Green Roof," Environmental Engineering Science, vol.26, no.2, pp. 407-417.

Kalainesan, S., Neufeld, R.D., Quimpo, R., and Yodnane, P., 2009, "Application of Revised Universal Soil Loss Equation to the Design of Construction Site Sedimentation Basins," Environmental Engineering Science, vol.26, no.1, pp. 33-43.

Kalainesan, S., Neufeld, R.D., Quimpo, R., and Yodnane, P., 2009, "Sedimentation Basin Performance at Highway Construction Sites," Journal of Environmental Management, vol.90, pp. 838-849.

Pu, X., Vasquez, O., Monnell, J., and Neufeld, R.D., 2009, "Jonathan Run Pre-construction Water Quality."

Vasquez, O., Neufeld, R.D., and Monnell, J., 2009, "Effects of AMD on Aluminum Release from Clay Minerals," World Environmental & Water Resources Congress, Kansas City.

Kalainesan, S., Neufeld, R.D., Quimpo, R., and Yodnane, P., 2008, "Integrated Methodology of Design for Construction Site Sedimentation," ASCE Journal of Environmental Engineering, vol.134, no.8, pp. 619-627.

Smoke, J., Neufeld, R.D., Monnell, J., and Gray, T., 2008, "Remediation of Acid Rock Discharges," 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago.

Neufeld, R.D., and Kalainesan, S., 2007, "Evaluation of Approved Erosion & Sediment Controls to Determine Best Management Practice."

Neufeld, R.D., Gray, T., Monnell, J., and Smoke, J., 2007, "Jonathan Run Acid Rock Discharge Mitigation Strategies."

Neufeld, R.D., Kalainesan, S., Monnell, J., and Gray, T.A., 2007, "Best Management Practices for Sedimentation Basins at Construction Sites Impacted by Acid Rock Discharge," First Conference on Environmental Management, Engineering, Planning and Economics, K. Avaossis, A. Karagiannidis, A. Kungolos, and P. Samaras, eds., pp. 687-692, Skiathos, Greece.

Dilmore, R., Neufeld, R.D., and Hammack, R.W., 2007, "Kinetics of Chemoheterotrophic Microbially Mediated Reduction of Ferric EDTA and the Nitrosyl Adduct of Ferrous EDTA for the Treatment and Regeneration of Spent Nitric Oxide Scrubber Liquor," Water Environment Research, vol.79, no.5, pp. 479-487.

Quimpo, R., Neufeld, R.D., Spaeder, D., and Resse, G., 2007, "I-99 Environmental Research."

Shan, H., and Neufeld, R.D., 2007, "Irreversible Fouling During Multi-cycle Microfiltration of Sewage Effluent," Water Environment Research, vol.79, no.13, pp. 2527-2535.

Dilmore, R., Neufeld, R.D., and Hammack, R.W., 2006, "Laboratory-Scale Iron EDTA-Based NOX Scrubbing Process with Biological Treatment and Regeneration of Spent Scrubber Water," Environmental Engineering Science, vol.23, no.5, pp. 788-802.

Dilmore, R., and Neufeld, R.D., 2006, "Biologically Treating and Regenerating Spent Scrubber Solution from a Closed-Loop Nitrogen Oxide Absorption Process," Industrial Wastewater, vol.5, no.1, pp. 9-13.

Modise, C.M., Bendick, J.A., Miller, C.J., Neufeld, R.D., and Vidic, R.D., 2006, "Use of Hydrophilic and Hydrophobic Microfiltration Membranes to Remove Microorganisms and Organic Pollutants from Primary Effluents," Water Environment Research, vol.78, no.6, pp. 557-564.

Neufeld, R.D., and Klein, D., 2005, "Accelerated Ferrous Oxidation with a Multiple Orifice Spray Reactor," 2005 Mine Water Technology Conference, Pittsburgh, PA.

Neufeld, R.D., and Klein, D., 2005, "High Rate Oxidation of Acid Mine Drainage with A Multiple Orifice Reactor."

Neufeld, R.D., Vidic, R.D., Bendick, J., Modise, C., Miller, C.J., and Kindle, B.J., 2005, "Application of Ceramic Membrane Modules for Combined Sewer Overflow Management: Engineering Process Considerations."

Bendick, J.A., Miller, C.J., Kindle, B., Shan, H., Vidic, R.D., and Neufeld, R.D., 2005, "Pilot Scale Demonstration of Cross-Flow Ceramic Membrane Microfiltration for the Treatment of Combined and Sanitary Sewer Overflows," Journal of Environmental Engineering, ASCE, vol.131, no.11, pp. 1532-1539.

Klein, D.B., and Neufeld, R.D., 2005, "Use of a Multiple Orifice Spray Reactor to Accelerate Ferrous Iron Oxidation in Acidic Mine Water," Mine Water and the Environment, vol.24, no.4, pp. 186-193.

Modise, C.M., Shan, H.F., Neufeld, R.D., and Vidic, R.D., 2005, "Evaluation of Permeate Flux and Membrane Fouling in Dead-End Microfiltration of Primary Sewage Effluent," Environmental Engineering Science, vol.22, no.4, pp. 427-439.

Neufeld, R.D., Bendick, J., Kindle, B., Miller, C.J., and Vidic, R.D., 2004, "Ceramic Membrane Filtration: An Alternative Wet Weather Management Technology," ASCE EWRI 2004 World Water & Environmental Resources Congress, Salt Lake City, UT.

Neufeld, R.D., Bendick, J., Kindle, B.J., Miller, C., and Vidic, R.D., 2004, "Ceramic Membrane Filtration: An Alternative Wet Weather Management Technology," Critical Transitions in Water and Environmental Resources Management.

Bendick, J.A., Modise, C.M., Miller, C.J., Neufeld, R.D., and Vidic, R.D., 2004, "Application of Cross-Flow Microfiltration for the Treatment of Combined Sewer Overflow Wastewater," ASCE Journ. Environmental Engineering, vol.130, no.12, pp. 1442-1449.

Dilmore, R.M., and Neufeld, R.D., 2004, "Biological Treatment and Regeneration of Spent Scrubber Solution From a Closed-Loop NOX Absorption Process," 77th Annual Technical Exhibition and Conference, p. 11, New Orleans.

Dilmore, R.M., and Neufeld, R.D., 2004, "Biological Treatment and Regeneration of Spent Scrubber Solution From a Closed-Loop NOX Absorption Process," 77th Annual Technical Exhibition and Conference, WEFTEC 2004 (Water Environment Federation), New Orleans.

Vidic, R.D., Bendick, J., and Neufeld, R.D., 2004, "Membrane Microfiltration of Municipal Wastewater," 3rd Annual Conference of Yugoslav Water Pollution Control Society, pp. 485-490, Borsko Jezero.

Dilmore, R., and Neufeld, R.D., 2003, "Evaluation of the Biologically Catalyzed Treatment and Regeneration of NOx Scrubbing Process Water," University/NETL Student Partnership Program -- Sixth Annual Meeting, Pittsburgh.

Dilmore, R., Hammack, R., and Neufeld, R.D., 2003, "Evaluation of Kinetics of Biologically Catalyzed Regeneration of NOX Scrubbing Process Waters," 96th Annual Conference and Exhibition, Air & Waste Management Association, San Diego.

Dilmore, R.M., Hammack, R., and Neufeld, R.D., 2003, "Fate of Oxidized Mercury Absorbed into a Combined NOx/SOx Scrubbing Process with Biological Treatment and Regeneration," Twentieth Annual International Pittsburgh Coal Conference, Pittsburgh PA.

Hammack, R.W., Dilmore, R., and Neufeld, R.D., 2003, "Potential for Mercury Removal from Spent NOx Scrubber Water Using Biogenic Sulfide," U.S. DOE Mercury Control Technology R&D Program Review Meeting.

Cimarolli, R., Neufeld, R.D., and Kim, A., 2001, "Combining of FBC Fly Ash and Florida Phosphate Slurries for Use as a Soil Amendment," ASME 16th International Fluidized Bed Combustion Conference, Reno, Nevada.

Dilmore, R.M., and Neufeld, R.D., 2001, "Autoclaved Aerated Concrete Produced with Low NOx Burner/Selective Catalytic Reduction Fly Ash," ASCE Journal of Energy Engineering, vol.127, no.2, pp. 37-50.

Neufeld, R.D., and Bausmith, D.S., 1999, "Soil Biodegradation of Propylene Glycol Based Aircraft Deicing Fluids," Water Environment Research Journal, vol.71, no.4, pp. 459-464.

Gingerich, I., Neufeld, R.D., and Thomas, T.A., 1999, "Electroosmotically Enhanced Sludge Pressure Filtration," Water Environment Research, vol.71, no.3, pp. 267-276.

Hu, W., Smith, A., Vallejo, L., Neufeld, R.D., and Golden, D., 1999, "Development of Artificial Neural Network-Based Autoclaved Cellular Concrete Models," American Coal Ash Association 13th International Symposium on use and Management of Coal Combustion Products (CCPs), Orlando.

Pritts, J., Neufeld, R.D., and Cobb, J.T., 1999, "Stabilization of Heavy Metal Containing Hazardous Wastes with by-Products from Advanced Clean Coal Technology Systems," Journal of Air and Waste Management, vol.49, no.10, pp. 1190-1200.

Ropelewski, L., and Neufeld, R.D., 1999, "Thermal Inertia Properties of Autoclaved Cellular Concrete," ASCE Journal of Energy Engineering, vol.125, no.2, pp. 59-75.

Cobb, J.T., and Neufeld, R.D., 1998, "Clean Coal Technology By-Products as Treatment Chemicals for Hazardous Wastes," Advanced Coal-Based Power and Environmental Systems '98 Conference, U. S. DOE/FETC.

Neufeld, R.D., and Bausmith, D.S., 1997, "Soil Biodegradation of Glycol Based Aircraft Deicing Fluids," 1997 CSCE/ASCE Environmental Engineering Conference, D. Smith, S. Stanley, and C. Ward, eds., pp. 467-478, Canadian Society for Civil Engineers, Montreal.

Cobb, J.J., Neufeld, R.D., Clifford, V.B., Pritts, J.W., Beeghly, J.H., and Bender, C.F., 1997, "Laboratory Evaluation and Commercial Demonstration of Hazardous Waste Treatment Using Clean Coal Technology By-products," 1997 International Ash Utilization Symposium, University of Kentucky Center for Applied Energy Research, pp. 286-296, Lexington, Kentucky, USA.

Cobb, J.T., Neufeld, R.D., Bender, C.F., Pritts, J.W., and Clifford, B.V., 1997, "Preparation of a Commercial Test of the Treatment of Metal-Laden Hazardous Wastes with Clean Coal Technology By-Products," 29th Mid-Atlantic Industrial and Hazardous Waste Conference, Technomics Publishing Co., pp. 139-148, Lancaster.

Cobb, J.T., Neufeld, R.D., Clifford, B.V., Pritts, J.W., and Bender, C.F., 1997, "New Treatment Chemicals for Metal Laden Hazardous Wastes," American Chemical Society, I&EC Division Special Symposium, Pittsburgh, PA.

Hu, W., Neufeld, R.D., Vallejo, L., Kelly, C., and Latona, M., 1997, "Strength Properties of Autoclaved Concrete (ACC) with High Volume Fly Ash," ASCE Journal of Energy Engineering, vol.123, no.2, pp. 44-54.

Latona, M., Neufeld, R.D., Hu, W., Kelly, C., and Vallejo, L.E., 1997, "Response of Microtox Organisms to Leachates of Autoclaved Cellular Concrete," ASCE Journal of Energy Engineering, vol.123, no.2, pp. 35-43.

Latona, M., Neufeld, R.D., Vallejo, D., Brandon, L.E., Hu, W., and Kelly, C., 1997, "Leachate and Radon Production from Fly Ash Autoclaved Cellular Concrete," ASCE Journal of Energy Engineering, vol.123, no.2, pp. 55-67.

Ouki, S.K., and Neufeld, R.D., 1997, "Use of Activated Carbon for the Recovery of Chromium from Industrial Wastewaters," J. Chem. Tech. Biotechnol, vol.70, pp. 3-8.

Neufeld, R.D., Cobb, J.T., Pritts, J., Clifford, V., Bender, J., and Beeghley, J., 1996, "Hazardous Waste Stabilization with Clean-coal Technology Ash Residuals," Water Science and Technology, vol.34, no.10, pp. 179-185.

Neufeld, R.D., Vallejo, L.E., Kelly, C., and Hu, W., 1996, "The Autoclaved Cellular Concrete Production Process: Important Variable and Their Influences in Manufacturing."

Neufeld, R.D., Vallejo, L.E., Latona, M.W., Kelly, C., and Brandon, D., 1996, "Environmental and Physical Properties of Autoclaved Cellular Concrete."

Bausmith, D.S., and Neufeld, R.D., 1996, "Land Treatment of Aircraft Deicing Fluids," Water Environment Federation 69th Annual Conference & Exposition, pp. 363-374.

Cobb, J.T., Neufeld, R.D., Pritts, J., Clifford, V., Bender, C., and Beeghly, J., 1996, "Stabilization of Metal-Laden Hazardous Wastes Using Lime-Containing Ash from Two FBCs and a Spray Drier," 211th National Meeting, American Chemical Society, pp. 558-562.

Latona, M.C., Neufeld, R.D., Vallejo, I.E., Hu, W., and Kelly, C., 1996, "Environmental Impacts of Autoclaved Cellular Concrete," Engineered Contaminated Soils and Interaction of Soil and Geomembranes Waste Containment Systems, ASCE, J. Meegoda, L. Reddi, and L. Vallejo, eds., pp. 57-69, Washington, D.C..

Ouki, S.K., and Neufeld, R.D., 1996, "Recycling of Chromium from Industrial Wastewaters by Activated Carbon Adsorption," 2nd Specialised Conference on Pretreatment of Industrial Wastewaters, S. Ouki, ed., pp. 290-297, Athens, Greece.

Neufeld, R.D., Vallejo, L.E., Ropelewski, L., Kelly, C., and Hu, W., 1995, "Autoclaved Cellular Concrete."

Vallejo, L.E., Neufeld, R.D., Golden, D.M., Hu, W., and Kelly, C., 1995, "The Influence of Pore Structure on the Physical Properties of Ash Derived Autoclaved Cellular Concrete," American Concrete Institute Spring Meeting, Salt Lake City.

Neufeld, R.D., and Badali, C., 1994, "Submerged Upflow Biotower Operation and Computer Simulation," Water Science and Technology, vol.30, no.11, pp. 143-146.

Neufeld, R.D., Niaki, S., Badali, C., Powers, D., Liu, P., and Carson, C., 1994, "Activated Biofilm Removal of Low Concentrations of Toluene," Water Environment Federation, vol.66, no.7, pp. 899-904.

Neufeld, R.D., Vallejo, L., Hu, W., and Latona, M., 1994, "Environmental and Physical Parameters of High Ash Content Autoclaved Cellular Concrete block," 87th Annual Meeting of the Air & Waste Management Association, Cincinnati.

Neufeld, R.D., Vallejo, L., Hu, Y., Latona, M., Carson, C., and Kelly, C., 1994, "Properties of High Flyash Content Cellular Concrete," ASCE Journal of Energy Engineering, vol.120, no.1, pp. 35-48.

Neufeld, R.D., 1993, "Committee on Hazardous Wastes in Highway Rights-of-Way (R. D. Neufeld, contributing member)," Hazardous Wastes in Highway Rights-of-Way NCHRP Report 351.

Neufeld, R.D., Badali, C., Powers, D., Carson, C., and Liu, P., 1992, "Biotowers for Organic Contaminated Wastes."

Pedersen, S., and Neufeld, R.D., 1992, "Studies on Degradation of Hexachlorobiphenyl in Soil," Hazardous Waste/Groundwater Symposia, WEF 65th Annual Conference, pp. 203-214, New Orleans.

Neufeld, R.D., and Pedersen, S.F., 1991, "Microbial Dehalogenation of a Hexachlorinated PCB at Low Redox Potential."

Al-Yousfi, B., 1991, "Probabilistic Analyses of Municipal Wastewater Treatment Plants Performance under Extreme Conditions," 23rd Mid-Atlantic Industrial Waste Conference, pp. 111-124, Pittsburgh, PA.

Casson, L.W., and Neufeld, R.D., 1991, "HAZARDOUS AND INDUSTRIAL WASTES," Twenty-Third Mid-Atlantic Industrial Waste Conference, Technomic Publishing Company, Inc., p. 417, Lancaster, PA.

Jupin, R., and Neufeld, R.D., 1991, "Evaluation of the January 2, 1988 Diesel Oil Spill into the Monongahela River with the WASP4 Water Quality Model," 23rd Mid-Atlantic Industrial Waste Conference, pp. 96-105, Pittsburgh, PA.

Niaki, S., Neufeld, R.D., Liu, P., Powers, D., and Badali, C., 1991, "Activated Biofilms for Removal of Trace Organics From Wastewater Under Starvation Conditions," Industrial Waste Symposium, 64th Annual Water Pollution Control Federation Conference, Toronto.

Neufeld, R.D., 1990, "Coal Refuse to Energy," INTERNATIONAL CONFERENCE ON POLLUTION PREVENTION: CLEAN TECHNOLOGIES AND CLEAN PRODUCTS, E. Stone, ed., pp. 445-453, Washington.

Neufeld, R.D., Ouki-Kesraoui, S., and Memon, G., 1990, "Chromium Interactions with Activated Carbon," 15th International Conference, M. Suzuki, ed., pp. 563-567, Kyoto Japan.

Neufeld, R.D., Ouki-Kesraoui, S., Memon, G., and Lewis, T., 1990, "Chromium Recovery from Electroplating Rinsewaters," Industrial Waste Symposia, 63rd Annual WPCF Conference, pp. 84-95, Washington, D.C..

Niaki, S., Neufeld, R.D., and Blair, J.E., 1990, "Selection of Air Flow Rates and Cultures in Aerobic Biotowers for Removal of Hydrocarbons from Wastewaters," 22nd Mid-Atlantic Industrial Waste Conference, pp. 669-680, Philadelphia.

Neufeld, R.D., Perry, M., Wolfson, M., Schmidt, K., and Liaghat, A., 1989, "Burnout Control and Energy Production from Coal Refuse Piles."

George, E.J., and Neufeld, R.D., 1989, "In-Situ Degradation of Fluorene in Soils by the Fungus Phanerochaete Chrysosporium," Biotechn & BioEng, vol.33, no.10, pp. 1306-1310.

Moretti, C.J., and Neufeld, R.D., 1989, "PAH Partitioning Mechanisms with Activated Sludge," Water Research, vol.23, no.1, pp. 93-102.

Ouki-Kesraoui, S., and Neufeld, R.D., 1989, "Interaction of Hexavalent and Trivalent Chromium with Activated Carbon," 21st Mid-Atlantic Industrial Waste Conference, pp. 146-156, Harrisburg.

Pedersen, S., and Neufeld, R.D., 1989, "Alteration of Insitu Redox Potential to Enhance Microbial Dechlorination of PCBs," 21st Mid-Atlantic Industrial Waste Conference, Harrisburg.

Neufeld, R.D., 1988, "ASCE ENERGY DIVISION SYMPOSIA and PROCEEDINGS," ASCE ENERGY DIVISION SYMPOSIA, American Society of Civil Engineering, New York, N.Y..

Neufeld, R.D., 1988, "Energy/Environment Opportunities for Civil Engineers: In the West-Nuclear Facilities Decommissioning; In the East-Implementation of Waste to Energy Systems," American Society of Civil Engineers, New York, N.Y..

Neufeld, R.D., and Greenfield, J., 1988, "A Compartmentalized One Sludge Bioreactor for Simultaneous Removal of Phenol, Thiocyanate, and Ammonia," Biotechnology for Degradation of Toxic Chemicals in Hazardous Wastes, pp. 316-328.

Neufeld, R.D., Wolfson, R., Schmidt, K., and Perry, M., 1988, "Small Power Production from Coal Refuse Piles," Fifth Annual International Pittsburgh Coal conference, Pittsburgh.

Neufeld, R.D., 1987, "Gaseous and Solid Waste Residuals from Synfuel Plant Wastewater Treatment," ENERGY '87, ASCE Energy Division Specialty Conference, S.L. Chu, ed., Atlantic City.

Neufeld, R.D., 1986, "Tertiary Filtration of Wastewaters," Journ. Env. Eng. Div., Proc ASCE, vol.112, no.6, pp. 1008-1025.

Neufeld, R.D., Greenfield, J., and Reider, B., 1986, "Temperature, Phenolic, and Cyanide Nitrification Inhibition," Water Research, vol.20, no.5, pp. 633-642.

Neufeld, R.D., Sykora, J.L., and Keleti, G., 1986, "Chemical and Bioassay Characterizations of Sludge and Wastewater from Fixed Bed UNDERC Coal Gasification."

Greenfield, J., and Neufeld, R.D., 1986, "A Compartmentalized One Sludge Bioreactor Model for Simultaneous Organic and Ammonia Removal," International Conference on Innovative Biological Treatment of Toxic Wastewaters, Arlington, Virginia.

Neufeld, R.D., and Paladino, S.B., 1985, ""Comparison of 4-AA and GLC Techniques for Aqueous Phase Phenolic Determinations," J.W.P.C.F, vol.57, no.10, pp. 1040-1044.

Neufeld, R.D., and Zeien, C.T., 1985, "Combined Cycle Coal Conversion Issues," Water Quality Issues at Fossil Power Plants, ASCE Energy Division, W. Dinchak, ed., pp. 51-58, Detroit.

Neufeld, R.D., Debes, M.R., Moretti, C., Mayernik, J., Keleti, G., Sykora, J., and Bender, J., 1985, "Cooling Tower Evaporation of Treated Coal Gasification Wastewater," J.W.P.C.F., vol.57, no.9, pp. 955-964.

Greenfield, J.H., and Neufeld, R.D., 1985, "Inhibition of Nitrification by Coke Plant Organics," Water Poll.Control Fed., Research Symposium, Kansas City.

Moretti, C., and Neufeld, R.D., 1985, "The Accumulation of Mutagenic Polycyclic Aromatic Hydrocarbons in Biological Sludge," 40th Purdue Industrial Waste Conference.

Neufeld, R.D., 1984, "Synfuels Waste Treatment," in Survey in Industrial Waste Treatment, D. Barnes, C.F. Forster, and S.E. Hrudey, eds., Pitman Press, London.

Neufeld, R.D., and Wallach, S.H., 1984, "Chemical and Toxicity Analysis of Leachates from Coal Conversion Solid Wastes," JWPCF, vol.56, no.3, pp. 266-273.

Neufeld, R.D., Greenfield, J., Hill, A.J., Reider, C.B., and Adekoya, D.O., 1984, "Nitrification Inhibition Biokinetics."

Neufeld, R.D., 1983, "Chemical and Biological Characterization of Solid Wastes from Synthetic Fuels Facilities," 75th North Dakota Academy of Sciences, Grand Forks.

Neufeld, R.D., Moretti, C., Sykora, J., and Keleti, G., 1983, "Linkage between Coal Gasification Processing and Resultant Sludges," Third Biennial Synfuels Wastewater Workshop, U. S. DOE/METC.

Erdogan, H., and Neufeld, R.D., 1983, "Modeling Leachates at Landfill Boundaries," Proc. ASCE, EED, vol.109, no.5, pp. 1181-1194.

Goodwin, R., and Neufeld, R.D., 1983, "Emerging Energy Environmental Trends and the Engineer," ASCE Energy Division Symposia, American Society of Civil Engineering, New York, N.Y., Houston.

Greenfield, J., and Neufeld, R.D., 1983, "A Compartmentalized One Sludge Bioreactor Model for Simultaneous Organic and Ammonia Removal," 1983 EPA/AISI Symposium on Iron and Steel Pollution Abatement Technology, Chicago.

Terril, M., and Neufeld, R.D., 1983, "Blast Furnace Recycle System Treatment with Reverse Osmosis," Environmental Progress, vol.2, no.2, pp. 121-127.

Neufeld, R.D., and Greenfield, J., 1982, "Factors Influencing Nitrification Biokinetics as Applied to Meeting BAT Requirements for the Iron and Steel Industry."

Neufeld, R.D., and Greenfield, J., 1982, "Influence of Coal Tar Acids on Nitrification Biokinetics as Applied to Steel Industry Wastewaters."

Neufeld, R.D., Moretti, C., and Bern, J., 1982, "Gasification Wastewater and Residuals Disposal," ASCE Energy in the Man-Built Environment Specialty Conf., R. Anglin, ed., pp. 676-683.

Neufeld, R.D., Moretti, C., Sykora, J., and Keleti, G., 1982, "GFETC Lignite Coal Gasification Wastewater Treatment Techniques and Sludges: Chemical and Health Effects."

Neufeld, R.D., Paladino, J., Moretti, C., and Ali, F., 1982, "Influence of Solvent Extraction on Fixed Gas Producer Wastewater."

Neufeld, R.D., Paladino, J., Moretti, C., Plautz, M., and Ali, F., 1982, "Advantages/Limitations of Solvent Extraction, Ozonation, and Carbon Adsorption for Reduction of Nonbiodegradable Residuals in METC Fixed Bed Gasification Wastewaters."

Neufeld, R.D., Sykora, J., and Keleti, G., 1982, "Biological and Physical/Chemical Technologies for Environmentally Acceptable Disposal of Coal Conversion Residuals."

Neufeld, R.D., Sykora, J., and Keleti, G., 1982, "Wastewater Treatment and Solid Waste Disposal Research and Development: Fixed Bed Coal Gasification Facilities," Water and Energy Technical and Policy Issues, ASCE, pp. 266-271.

McGarvey, C., Neufeld, R.D., and Cobb, J., 1982, "Permitting a GKT/ICI/Mobil-M Plant in Pennsylvania," ASCE National Meeting, Las Vegas.

Neufeld, R.D., and Greenfield, J., 1981, "Influence of Certain Organics on Nitrification Biokinetics as Applied to Steel Industry Wastewaters."

Neufeld, R.D., and Greenfield, J., 1981, "Influence of Free and Complexed Cyanides on Nitrification Biokinetics as Applied to Steel Industry Wastewaters."

Neufeld, R.D., Hill, A.J., Reider, C.B., and Adekoya, D.O., 1981, "Factors Influencing Biological Nitrification of Steel Industry Wastewaters-I," Water-1980, AIChE Symposium Series, G. Bennett, ed..

Neufeld, R.D., Keleti, G., Bern, J., Moretti, C., Wallach, S., and Erdogan, H., 1981, "Ash/Slag Residuals and Wastewater Treatment Plant Sludges from Synfuels Facilities: Characterizations and Implications for Disposal," EPA Symposium, Denver.

Neufeld, R.D., Matteson, L., and Lubon, P., 1981, "Bio-oxidation of Thiocyanates Typical of Coal Conversion Wastewaster."

Neufeld, R.D., Mattson, L., and Lubon, P., 1981, "Thiocyanate Bio-oxidation Kinetics," Journ. Env. Eng. Div., Proc. ASCE, vol.107, no.EE5, pp. 1035-1049.

Neufeld, R.D., Moretti, C., Ali, F., and Paladino, J., 1981, "Pretreatment and Biological Digestion of METC Stirred Fixed Bed Gas Producer Wastewaters."

Neufeld, R.D., Moretti, C., and Ali, F., 1981, "Linkage of Unit Operations for Low BTU Coal Gasification Waste Treatment," ACS-Environmental Chemistry Division, p. 118, New York City.

Neufeld, R.D., Moretti, C., and Ali, F., 1981, "Pretreatment and Biological Treatment of Fixed Bed Coal Gasification Wastewaters," 36th Annual Purdue Industrial Waste Conf., Pergammon Press.

Neufeld, R.D., Wallach, S., and Erdogan, H., 1981, "Chemical and Biological Properties of Coal Conversion Solid Wastes."

Neufeld, R.D., Wallach, S.J., Erdogan, H., and Bern, J., 1981, "Chemical and Biological Properties of Coal Conversion Solid Wastes."

Greenfield, J., and Neufeld, R.D., 1981, "Quantification of the Influence of Steel Industry Trace Organic Substances on Biological Nitrification," 36th Annual Purdue Industrial Waste Conf., Pergammon Press.

Skubak, J., and Neufeld, R.D., 1981, "A Mass Balance Model for Rinse Water in a Continuous Strip Halogen Electrolytic Timing Operation for Use in Evaluating Wastewater Treatment and Recovery Alternatives," EPA Symposium on Iron and Steel Pollution Abatement Technology, Chicago.

Terril, M., and Neufeld, R.D., 1981, "Investigation of Reverse Osmosis for the Treatment of Recycled Blast Furnace Scrubber Water," EPA Symposium on Iron and Steel Pollution Abatement Technology, Chicago.

Neufeld, R.D., 1980, "Engineering Design Variables for the Activated Sludge Process," Proc. ASCE. Env. Eng. Div, vol.106, no.EE3, pp. 473-503.

Neufeld, R.D., 1980, "Factors Influencing Biological Nitrification of Steel Industry Wastewaters-II," EPA, pp. 497-508.

Neufeld, R.D., Hill, J., and Adekoya, D.O., 1980, "Phenol and Free Ammonia Inhibition to Nitrosomonas Activity," Water Research, vol.14, no.12, pp. 1695-1703.

Neufeld, R.D., Mack, J., and Strakey, J.P., 1980, "Anaerobic Phenol Biokinetics," Journ. Water Poll. Contr. Fed, vol.52, no.9, pp. 2367-2377.

Neufeld, R.D., Mattson, L., and Lubon, P., 1980, "Thiocyanate Bio-Oxidation Kinetics," 35th Purdue Industrial Waste Conference, Purdue University, W. Lafayette, IN.

Neufeld, R.D., Reider, C.B., and Greenfield, J.H., 1980, "Influence of Elevated Temperatures on Nitrification Biokinetics, as Applied to Steel Industry Wastewaters."

Bern, J., Neufeld, R.D., and Shapiro, M.A., 1980, "Solid Waste Management of Coal Conversion Residuals from a Commercial Sized Facility: Environmental Engineering Aspects."

Drummond, C.J., Johnson, G.E., Neufeld, R.D., and Haynes, W.P., 1980, "Biochemical Oxidation of Coal Conversion Wastewaters," Water-1979, AIChE Symp. series, G.F. Bennett, ed., pp. 209-214.

Neufeld, R.D., 1979, "Environmentally Acceptable Disposal of Coal Conversion Solid Waste Residuals."

Neufeld, R.D., and Valiknac, T., 1979, "Inhibition of Phenol Biodegradation by Low Levels of Thiocyanate," JWPCF, vol.51, no.9, pp. 2283-2291.

Neufeld, R.D., Bern, J., and Shapiro, M.A., 1979, "Environmental Significance of Coal Conversion Residuals," ASCE/PRC/EPRI Workshop, E. Yee, ed., pp. 45-77, San Diego.

Neufeld, R.D., Hill, A.J., and Adekoya, D.O., 1979, "Influence of Unionized Ammonia and Phenol on Nitrification Biokinetics for Steel Industry Waste Water."

Neufeld, R.D., Hill, A.J., and Adekoya, D.O., 1979, "Influence of Unionized Ammonia and Phenol on Nitrification Biokinetics for Steel Industry Wastewaters."

Neufeld, R.D., Lubon, P., and Mattson, L., 1979, "Aerobic Bio-Oxidation of Thiocyanates: Development of Design Parameters."

Neufeld, R.D., Lubon, P., and Mattson, L., 1979, "Biological Oxidation of Aqueous Thiocyanate," Eleventh Mid-Atlantic Industrial Waste Conference, University Park, PA.

Neufeld, R.D., Lubon, P., and Mattson, L., 1979, "Some Aspects of Thiocyanate Degrading Activated Sludge."

Neufeld, R.D., Lubon, P., and Mattson, L., 1979, "Thiocyanate Biooxidation: Progress Report."

Neufeld, R.D., Shapiro, M.A., and Bern, J., 1979, "Final Evaluation of PETC Coal Conversion Solid and Hazardous Wastes."

Hill, A.J., and Neufeld, R.D., 1979, "Influence of Un-ionized Ammonia and Inorganic Carbon on Biological Nitrification," 34th. Purdue Industrial Waste Conference, West Lafayette.

Neufeld, R.D., and Spinola, A.A., 1978, "Ozonation of Coal Gasification Plant Wastewaters," Env. Science and Techn., vol.12, no.4, p. 470.

Neufeld, R.D., and Valiknac, T., 1978, "Preliminary Evaluation of the Biological Oxidation of Thiocyanates."

Neufeld, R.D., and Yodnane, P., 1978, "Enhanced Wastewater Purification via the Addition of Granular Coals and Chars to Activated Sludge," Journ. Water Poll. Contr. Fed, vol.50, no.3.

Neufeld, R.D., Drummond, C., and Johnson, G., 1978, "Bio-Kinetics of Activated Sludge Treatment of SYNTHANE Fluidized Bed Gasification Wastewaters," A.C.S. Preprints (Fuels Division), 175th. National Meeting, pp. 175-186, Anaheim.

Neufeld, R.D., Hill, A.J., and Adekoya, D.O., 1978, "Preliminary Investigations into Relationships of Biological Nitrification Instability for Steel Industry Wastewaters."

Neufeld, R.D., Hill, A.J., and Adekoya, D.O., 1978, "Preliminary Sulfur and Nitrogen Balance for the Biological Degradation of Thiocyanate."

Neufeld, R.D., Shapiro, M., Chen, C., Wallach, S., and Sain, S., 1978, "Preliminary Evaluation of PETC Coal Conversion Solid and Hazardous Wastes."

Mack, J., Neufeld, R.D., and Strakey, J., 1978, "Anaerobic Decomposition Kinetics of Phenol," A.S.C.E. Preprints, 178th. National Spring Convention, Pittsburgh.

Valiknac, T., and Neufeld, R.D., 1978, "Thiocyanate Toxic Inhibition of Phenol Bio-Oxidation," 33rd. Purdue Industrial Waste Conference, West Lafayette, IN.

Neufeld, R.D., 1977, "Differential Bed Kinetic Analysis of Heavy Metal Removals by Biological Slimes."

Neufeld, R.D., 1977, "The Kinetics of Interaction of Heavy Metals of Biological Sludge," 11th. Mid-Atlantic Regional Meeting, American Chemical Soc., Newark, DE.

Neufeld, R.D., and Valiknac, T., 1977, "Bio-oxidation of Aqueous Cyanogens Typical of SYNTHANE Gasifier By-Product Water."

Neufeld, R.D., Gutierrez, J., and Novak, R., 1977, "A Kinetic Model and Equilibrium Relationship for Heavy Metal Accumulation on Activated Sludge," Journ. Water Poll. Contr. Fed., vol.49, no.3, pp. 489-498.

Neufeld, R.D., Gutierrez, J., and Novak, R., 1977, "Evaluation of Interaction Kinetics and Equilibria for Heavy Metal-Activated Sludge Systems," 32 Annual Purdue Ind. Waste Conference.

Johnson, G., Neufeld, R.D., Drummond, C., Strakey, J., Haynes, W., Mack, J., and Valiknac, T., 1977, "Treatability Studies of Condensate Water from SYNTHANE Coal Gasification."

Neufeld, R.D., 1976, "Heavy Metal Induced Deflocculation of Activated Sludge," Journal Water Poll. Contr. Fed., vol.48, no.8, p. 1940.

Neufeld, R.D., 1976, "Wastewater Treatment Plant Odors: A Continuing Enigma," Public Works, vol.106, no.3, p. 1975.

Yodnane, P., and Neufeld, R.D., 1976, "Upgrading of Activated Sludge Units via the Addition of Coals and Coal Gasification Plant Chars," 31 Purdue Industrial Waste Conference.

Neufeld, R.D., 1975, "Research '75," Water Pollution Control Assoc. of Pa.

Neufeld, R.D., 1975, "Utilization of Biological Sludges for the Removal and Possible Reclamation of Heavy Metals from Waste¬water," National Conference on Management and Disposal of Residues from the Treatment of Industrial Wastewater, p. 73, Washington, D.C..

Neufeld, R.D., and Hermann, E.R., 1975, "Aqueous Heavy Metal Removal via Waste Biological Sludges," 2nd. National Con¬ference on Complete Water Reuse, (A.I.ChE. Conference), Chicago.

Neufeld, R.D., and Hermann, E.R., 1975, "Heavy Metal Removal by an Acclimated Activated Sludge," Journal Water Pollution Contr. Fed., vol.47, no.2, pp. 310-329.

McEntire, F., and Neufeld, R.D., 1975, "Microbial Methylation of Mercury: A Survey," Water Pollution Control, London, vol.74, no.4.

Neufeld, R.D., and Hermann, E.R., 1973, "Effects of Iron on Activated Sludge Treatment," Proc. ASCE, vol.99, no.EE6.

Neufeld, R.D., and Thodos, G.T., 1969, "Removal of Orthophosphates from Aqueous Solutions with Activated Alumina," Environmental Science and Technology, vol.3, no.7, pp. 661-667.

Neufeld, R.D., and Farrell, A., "National Conference on Transportation and Environment for the 21st Century," Transportation Research Circular # E-C028, ISSN # 0097-8515.

Neufeld, R.D., Yodnane, P., and Abrams, J.I., "Preliminary Evaluation of the Use of Powdered Coal as a Natural Gas Substitute for Sewage Sludge Incineration."

Neufeld, R.D., and Ropelewski, L., 2012, "Sewage as a Mixed Organic Substrate for Desulfurization Bacteria," 2012 Water Environment Conference, New Orleans.

Neufeld, R.D., Pu, X., and Vazquez, O., 2011, "Soluble and Total Aluminum after NaOH Neutralization of Acid Rock Discharges," 2011 Water Environment Conference, Los Angeles.

Neufeld, R.D., Monnell, J., and Ries, R., 2010, "Green Roof Technology as a Stormwater Best Management Practice," 2010 Water Environment Federation Convention, New Orleans.

Vasquez, O., Pu, X., Monnell, J., and Neufeld, R.D., 2010, "Release of aluminum from clays in an acid mine/rock environment," PENNTEC 2010 conference (PA Water Environment Association), Harrisburg.

Vasquez, O., Neufeld, R.D., and Monnell, J., 2009, "Effects of AMD on Aluminum Release from Clay Minerals," World Environmental & Water Resources Congress, Kansas City.

Neufeld, R.D., and Klein, D., 2008, "Rapid Ferrous Oxidation in an Orifice Spray Reactor," Inauguration of the University of Pittsburgh Energy Center.

Neufeld, R.D., Monnell, J., Pu, K., McCutcheon, M., Spaeder, D., Cockley, K., Gray, T., and Hedin, R., 2008, "Jonathan Run Acid Rock Discharge Mitigation Strategies & Implementation Activities," International Bridge Conference, Western Pennsylvania Transportation Research Forum, Pittsburgh.

Smoke, J., Neufeld, R.D., Monnell, J., and Gray, T., 2008, "Remediation of Acid Rock Discharges," 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago.

Neufeld, R.D., Smoke, J., and Gray, T., 2007, "Remediation of Aluminum-Containing Acid Rock Discharge at I-80," International Bridge Conference, Western Pennsylvania Transportation Research Forum, Pittsburgh PA.

Neufeld, R.D., Klein, D., and Citrone, J., 2005, "Accelerated Ferrous Oxidation with a Multiple Orifice Spray Reactor," Mine Water Treatment Technology Conference, Pittsburgh.

Neufeld, R.D., and Klein, D., 2004, "Accelerated Ferrous Oxidation with an Orifice Spray Reactor," A Pitt Showcase of Energy Innovation, University of Pittsburgh.

Shan, H., and Neufeld, R.D., 2004, "Sewage Solids Membrane Fouling," School of Engineering Poster Fair, University of Pittsburgh.

Neufeld, R.D., 2003, "Beneficial Uses of Flyash," Workshop on Environmental and Public Health Recovery of Serbia and Montenegro, Pittsburgh.

Neufeld, R.D., Vidic, R.D., Bendick, J., and Miller, C.J., 2003, "Water Conservation using Ceramic Membrane Filtration: An Innovative Technology for the Combined Sewer Overflow Problem," Science2003 symposium, University of Pittsburgh.

Bendick, J., Neufeld, R.D., and Vidic, R.D., 2003, "Ceramic Membrane Technology: An Alternative Wet Weather Solution," PennTec2003, Pennsylvania Water Environment Association annual meeting, State College, PA.

Neufeld, R.D., Vidic, R.D., Bendick, J., Modise, C., and Miller, C., 2002, "Ceramic Membrane Filtration for Wet Weather Flow Management," Fourth Annual 3 Rivers Wet Weather Sewer Rehabilitation Conference.

Cimarolli, R., Neufeld, R.D., and Kim, A., 2000, "Stabilization/Solidification of Phosphate Slimes with Clean Coal Technology By-Products," University/DOE-NETL Student Partnership Program, 3rd Annual Meeting, Pittsburgh.

DePra, D.J., and Neufeld, R.D., 2000, "Electroosmotically-Enhanced Pressure Dewatering of Ultrafine Coal," Seventh University of Pittsburgh Environment and Energy Colloquium and Poster Fair, Pittsburgh.

Neufeld, R.D., 1999, "Electrodewatering of Biosolids," Annual Environmental Engineering Colloquium, University of Pittsburgh.

Neufeld, R.D., 1998, "Autoclaved Cellular Concrete," ACS Coal Technology Section, Pittsburgh.

Neufeld, R.D., 1998, "Autoclaved Cellular Concrete," U.S. German Symposium on Environmental Engineering, University of Pittsburgh.

Neufeld, R.D., 1998, "Electroosmotic Pressure Sludge Filtration," U.S. German Symposium on Environmental Engineering, Pittsburgh.

Neufeld, R.D., 1998, "Environmental Technology Issues," Managing the Natural Environment - Katz School of Business.

Thomas, T., Gingerrich, I., and Neufeld, R.D., 1998, "Electroosmotic-Pressure Sludge Dewatering," 70th Annual Pennsylvania Water Environment Association meeting.

Neufeld, R.D., and Bausmith, D.S., 1997, "Soil Biodegradation of Glycol Based Aircraft Deicing Fluids," CSCE-ASCE Environmental Engineering Conference, Edmonton, Canada.

Neufeld, R.D., 1996, "Recycling of Former Industrial Sites," Department of Geology.

Neufeld, R.D., Cobb, J.T., Pritts, J., Clifford, V., Bender, J., and Beeghley, J., 1996, "Hazardous Waste Stabilization with Clean-coal Technology Ash Residuals," P-CP19 at the IAWQ 18th International Conference, Singapore.

Bausmith, D.S., and Neufeld, R.D., 1996, "Land Treatment of Aircraft Deicing Fluids," WEFTEC'96, 69th Annual Water Environment Federation Conference & Exposition, Dallas.

Latona, M.C., Neufeld, R.D., Vallejo, I.E., Hu, W., and Kelly, C., 1996, "Environmental Impacts of Autoclaved Cellular Concrete," ASCE National Conference, Washington, D.C..

Neufeld, R.D., 1995, "Fixed Film Biosystems for Industrial Waste Treatment," Graduate School of Public Health Environmental and Occupation Health seminar series.

Neufeld, R.D., 1994, "An Example of Applied Interdisciplinary Research: Autoclaved Cellular Concrete," University of Pittsburgh ASCE Undergraduate Student Seminar, University of Pittsburgh.

Neufeld, R.D., 1994, "Testing and Evaluation of Autoclaved Cellular Concrete Materials," Plans to Commercialize NACC planning meeting, Pittsburgh.

Neufeld, R.D., 1994, "Welcome Address:," American Power Conference ASCE/IEEE Luncheon, Chicago.

Neufeld, R.D., and Badali, C., 1994, "Submerged Upflow Biotower Operation and Computer Simulation," P-BS8 at the IAWQ 17th International Confernece, Budapest, Hungary.

Gelman, D., and Neufeld, R.D., 1994, "Regional Approach to Biosolids Management in the Mon Valley," 66th Annual Pennsylvania Water Environment Association Conference, Mt. Pocono, Pennsylvania.

Neufeld, R.D., 1993, "Infrastructure Engineering: Challenges and Opportunities," Florida International University, Dept. Civil Engineering.

Badali, C., and Neufeld, R.D., 1993, "Starvation Mode Operation and Computer Simulation of Biotowers (and winner of best student paper award)," 65 Annual Pennsylvania Water Environment Association Conference, Harrisburg.

Neufeld, R.D., 1991, "Opening Address to Participants," ASCE Energy Division Specialty Conference.

Niaki, S., Neufeld, R.D., Liu, P., Powers, D., and Badali, C., 1991, "Activated Biofilms for Removal of Trace Organics Under Starvation Conditions," 64th Annual WPCF Conference, Toronto.

Neufeld, R.D., 1990, "Solid and Hazardous Wastes," Center for Hazardous Materials Research, Pittsburgh.

Neufeld, R.D., Kesraoui, S., Memon, G., and Lewis, T., 1990, "Chromium Recovery From Electroplating Rinsewaters," 63rd Annual Water Pollution Control Federation, Washington, D.C..

Neufeld, R.D., Ouki-Kesraoui, S., and Memon, G., 1990, "Chromium Interactions with Activated Carbon," K-136 at the IAWPRC 15th International Conference, Kyoto Japan.

Neufeld, R.D., 1989, "Environmental Activities at the University of Pittsburgh," Pittsburgh Section, ASCE.

Neufeld, R.D., 1989, "Guidelines for Handling Cyanide Wastes within the Common Market Countries," Organization for Economic Development and Cooperation (OECD), Paris.

Neufeld, R.D., and Pedersen, S.F., 1989, "Depressed REDOX Potential to Enhance Microbial Dechlorination of PCB's," National Symposium on Water Quality, Orlando.

Pedersen, S.F., and Neufeld, R.D., 1989, "Enhancement of In-Soil Anaerobic Dechlorination of PCBs," Annual Water Pollution Control Federation Conference, San Francisco.

Neufeld, R.D., 1987, "PURPA Energy From Coal Waste Banks," the Coal Technology Section, American Chemical Society, Pittsburgh.

Muraca, P., Yu, V.L., Neufeld, R.D., Best, M., and Stout, J., 1984, "Legionnaires' Disease Bacterium Growth Kinetics and Rates of Thermal and Ozone Inactivation: Implications for Potable Water Distribution Systems," American Water Works Association Annual Convention, Dallas.

Neufeld, R.D., 1983, "Integrated Environmental Control Strategies for Israel: Oil Shale Development," Casali Institute of Applied Chemistry, Hebrew University.

Neufeld, R.D., 1982, "Fluidized Bed Nitrification Processes," International Conference on Water Pollution Research, Cape Town.

Blair, M., Neufeld, R.D., and Stiles, W., 1980, "Foam Fractionation and Disinfection with Ozone," Texas Water Pollution Control Association Meetings, San Marcos.

Neufeld, R.D., 1977, "Polymer Applications in Industrial Wastewater Treatment," Water Pollution Control Association of Pennsylvania Annual Meeting, Hershey, PA.

Johnson, G., Neufeld, R.D., Drummond, C., Strakey, J., Haynes, W., Mack, J., and Valiknac, T., 1976, "Treatment of By Product Water from SYNTHANE Coal Gasification," 69th Annual A.I.Ch.E. meeting, Chicago.

Sain, S.K., and Neufeld, R.D., 1975, "A Dynamic Model of Biogeochemical Cycle of Heavy Metals in Aquatic Systems," 2nd. International Symposium on, Burlington, Ontario.

Neufeld, R.D., and Hermann, E.R., 1973, "Process Design Modifications for Activated Sludge Removal of Certain Heavy Metals," 46th Annual Water Poll. Control Fed. Conv., Cleveland.

Neufeld, R.D., "Influence of Heavy Metals on Substrate Utilization by Activated Sludge," Penn State University.