Peer-Reviewed Government and Industry Reports
Bedient, P. B., H. S. Rifai, and C. J. Newell, Textbook: Ground Water Contamination: Transport and Remediation, 2nd Edition, Prentice-Hall, Upper Saddle River, NJ, 604 p., 1999.0-*+9
Weidemeier, T. H., H. S. Rifai, C. J. Newell and J. T. Wilson, Textbook: Natural Attenuation of Fuels and Chlorinated Solvents in the Subsurface, John Wiley and Sons, NY, NY, 617 p., 1999.
Newell, C. J., H. S. Rifai, P. B. Bedient, F. Shipley, and R. McFarlane, The Sta0-*te of the Bay: A Characterization of the Galveston Bay Ecosystem, Galveston Bay National Estuary Program (GBNEP-44), Clear Lake, TX, 232 p., 1994.
Rifai, H. S., Bioremediation of BTEX Hydrocarbons, in Bioremediation of Aquatic and Terrestrial Ecosystems, M. Fingerman and R. Nagabhusganam, Eds., Science Publishers, Inc., Enfield, New Hampshire, 213-261, 2005.
Bedient, P. B., H. S. Rifai, M. P. Suarez, R. M. Hovinga, and B. Nixon, Houston Water Issues, Water for Texas, J. Norwine, J. R., Giardino, S. Krishnamurthy, Eds., Texas A&M University Press, College, Station, TX, 107-121, 2005.
Vieux, B. E., and H. Rifai, GIS Applications in Hydrology,Hydrology and Floodplain Analysis, by Bedient, P. B., and Huber, W. C., 3rd Edition, published by Prentice-Hall, 627-647, 2002.
Rifai, H. S., C. J. Newell, and T. H. Wiedemeier, Natural Attenuation of Chlorinated Solvents in Ground Water, Handbook of Solvents, Chemtec Publishing, 1571-1616, 2001.
Rifai, H. S., M. Ling, C. J. Newell, S. L. Ita, and M. Faile, Development of Decision Support Tools for Designing Long Term Monitoring Plans (LTMPs), Groundwater Research, Rosbjerg et al. (eds.), Balkema, Rotterdam, ISBN 90-5809-133-3, 2000.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, Decision Support Software for Designing Monitoring Plans, Risk, Regulatory, and Monitoring Considerations: Remediation of Chlorinated and recalcitrant Conmpounds, G. B. Wickramanayake, A. R. Gavaskar, M. E. Kelley, and K. W. Nehring, Eds., Battelle Press, Columbus, Richland, pp. 319-325, 2000.
Rifai, H. S., Natural Aerobic Biological Attenuation, Subsurface Restoration, C. H. Ward, J. A. Cherry, and M. R. Scalf, Eds., Ann Arbor Press, Chelsea, MI, pp. 411-427, 1997.
Rifai, H. S., R. C. Borden, J. T. Wilson and C. H. Ward, Intrinsic Bioattenuation For Subsurface Restoration, Intrinsic Bioremediation, R. E. Hinchee, J.T. Wilson, and D.C. Downey, Eds., Battelle Memorial Institute, Columbus, OH, pp. 1-29, 1995.
Rifai, H. S., C. J. Newell, R. Miller, S. Taffinder, and M. Rounsaville, Simulating Natural Attenuation with Multiple Electron Acceptors, Intrinsic Bioremediation, R. E. Hinchee and R. F. Olfenbuttel, Eds., Battelle Memorial Institute, Columbus, OH, pp. 53-58, 1995.
Rifai., H. S., and P. B. Bedient, A Review of Biodegradation Models: Theories and Applications, Groundwater Models for Resources Analysis and Management, El-Kadi, Aly I., Eds., CRC Press, Boca Raton, FL, pp. 295-312, 1995.
Rifai, H. S., P. B. Bedient, and C. J. Newell, Decision Support System for Evaluating Pump-and-Treat Remediation Alternatives, Vol 1: Pollution Modeling Proceedings of Envirosoft 94, P. Zannetti, Ed., Computational Mechanics Publications, Southampton, UK, pp. 219-226, 1994.
Rifai, H. S. and P. B. Bedient, Field Demonstration of Natural Biological Attenuation, Hydrocarbon Bioremediation, R. E. Hinchee, B.C. Alleman, R.E. Hoeppel, and R.N. Miller, Eds., Lewis Publishers, Boca Raton, FL, pp. 353-361, 1994.
Rifai, H. S., G. P. Long, and P. B. Bedient, Modeling Bioremediation: Theory and Field Application, In Situ Bioreclamation, Applications and Investigations for Hydrocarbon and Contaminated Site Remediation, R.E. Hinchee and R.F. Olfenbuttel, Eds., Battelle Memorial Institute, Columbus, OH, pp. 535-541, 1994.
Rifai, H. S., and P. B. Bedient, Modeling Contaminant Transport and Biodegradation in Groundwater, Advances in Environmental Science Contamination of Groundwaters, D. C. Adriano, A. K. Iskandar, and I. P. Murarka, Eds., Science Reviews, Northwood, pp. 221-278, 1994.
Bedient, P. B., and H. S. Rifai, Modeling In-Situ Bioremediation, In Situ Bioremediation: When Does It Work?, National Academy Press, Washington, D. C., pp. 153-159, 1993.
Bedient, P. B., F. W. Schwartz, and H. S. Rifai, Hydrologic Design for Groundwater Pollution Control, Handbook of Hydrology, D. Maidment, Ed., McGraw-Hill, Inc., New York, NY, pp. 29.1-29.47, 1993.
Bedient, P. B., and H. S. Rifai, Bioremediation, Groundwater Remediation, R. J. Charbeneau, P. B. Bedient, and R. C. Loehr, Eds., Technomic Publishing Co., Inc., Lancaster, PA, pp. 117-141, 1992.
Suarez, M. P., O. E. Correa, H. S. Rifai, and L. Koenig, Concentrations of Polychlorinated Biphenyls (PCBs) in Water, Sediment, and Fish in the Houston Ship Channel in Houston, Texas, Chemosphere, Submitted, April 2006.
Hausman, S., and H. S. Rifai, Modeling Source Decay and Biodegradation with Analytical Models for Dry Cleaner Plumes, Journal of Environmental Monitoring, Submitted, April 2006.
Shorr, G. and H. Rifai, Natural Attenuation of MTBE - A Multi-Site Study, Ground Water Monitoring and Remediation, Submitted, April 2006.
Correa, O. E., L. Raun, H. S. Rifai, M. P. Suarez, T. Holsen, and L. Koenig, Depositional Flux of Polychlorinated Dibenzofurans in an Urban Setting, Chemosphere, in press, 2006.
Suarez, M. P., H. S. Rifai, J. Schimek, M. Bloom, P. Jensen, and L. Koenig, Dioxin in Stormwater Runoff in Houston, TX, ASCE Journal of Environmental Engineering, Accepted, December 2005.
LaWare, P. and H. S. Rifai, Modeling Fecal Coliform Contamination from Non Point Sources in the Rio Grande, Journal of the American Water Resources Association, Accepted, February 2005.
Petersen, T., M. P. Suarez, H. S. Rifai, P. Jensen, Y-C. Su, and R. Stein, Status and Trends of Fecal Coliform Indicator Bacteria in Two Urban Watersheds, Water Environment Research, Accepted, Dec. 2005.
Hausman, S., and H. S. Rifai, Modeling Remediation Time Using Natural Attenuation at a Dry Cleaner Site, Remediation, vol 16, No. 1, 5-31, 2005.
Suarez, M. P., H. S. Rifai, R. Palachek, K. Dean, and L. Keonig, Distribution of Polychlorinated Dibenzo-P-Dioxins and Dibenzofurans in Suspended Sediments, Dissolved Phase and Bottom Sediment in the Houston Ship Channel, Chemosphere, vol 62, No.3, 417-429, 2005.
Ling, M., H. S. Rifai, and C. J. Newell, Optimizing Long-Term Monitoring Networks Using Delaunay Triangulation Spatial Analysis Techniques, Environmetrics, 16:635-657, 2005.
Rifai, H. S., and T. Rittaler, Modeling Natural Attenuation of BTEX with Analytical and Numerical Models, Biodegradation, 16 (4): 291-304, 2005.
Ling, M. H. S. Rifai, J. J. Aziz, C. J. Newell, J. R. Gonzales, and J. M. Santillan, Strategies and Decision-Support Tools for optimizing Long-Term Groundwater Monitoring Plans-MAROS 2.0, Bioremediation Journal, vol. 8, 3-4, 109-128, 2004.
Mehdizadeh, F. and H. S. Rifai, Modeling Point Source Plumes at High Altitudes Using a Modified Industrial Source Complex Model, Atmospheric Environment, 38, 821-831, 2004.
Fiorenza, S. and H. S. Rifai, Review of MTBE Biodegradation and Bioremediation, Bioremediation Journal, 7(1):1-35, 2003.
Aziz, J. J., M. Ling, H. S. Rifai, C. J. Newell, and J. R. Gonzales, MAROS: a Decision Support System for Optimizing Monitoring Plans, Ground Water, v41, No. 3, 355-367, 2003.
Ling, M., Rifai, H. S., Newell, C. J., Aziz, J. J. and Gonzales, J. R., Groundwater Monitoring Plans at Small Scale Sites-An Innovative Spatial and Temporal Methodology, Journal of Environmental Monitoring, vol. 5, No. 1, 126-134, 2003.
Fiorenza, S., M. P. Suarez and H. S. Rifai, MTBE in Groundwater: Status and Remediation, ASCE Journal of Environmental Engineering, vol. 128, No. 9, 773 - 781, 2002.
Suarez, M. P. and H. S. Rifai, Evaluation of BTEX Remediation by Natural Attenuation at a Coastal Facility, Ground Water Monitoring and Remediation, 22(1):62-77, 2002.
Suarez, M. P. and H. S. Rifai, Modeling Natural Attenuation of Total BTEX and Benzene Plumes with Different Kinetics, Ground Water Monitoring and Remediation, 24(3):53-68, 2002.
Rifai, H. S., P. B. Bedient, and G. L. Shorr, Monitoring Hazardous Waste Sites: Characterization and Remediation Considerations, Journal of Environmental Monitoring, 2(3): 199-212, 2000.
Rifai, H. S., C. J. Newell, J. R. Gonzales, and J. T. Wilson, Modeling Natural Attenuation of Fuels with BIOPLUME III, ASCE Journal of Environmental Engineering, 126(5): 428-438, 2000.
Rifai, H. S., S. M. Brock, K. B. Ensor, and P. B. Bedient, Determination of Low-Flow Characteristics for Texas Streams, ASCE Journal of Water Resources Planning, 126(5): 310-319, 2000.
Hopkins, L. P., K. B. Ensor and H. S. Rifai, Empirical Evaluation of Ambient Ozone Interpolation Procedures to Support Exposure Models, Journal of the Air and Waste Management Association, v. 49: 839-846, 1999.
Suarez, M. P. and H. S. Rifai, Biodegradation Rates for Fuel Hydrocarbons and Chlorinated Solvents in Groundwater, Bioremediation Journal, 3(4): 337-362, 1999.
Rifai, H. S., L. A. Hendricks, K. Kilborn, and P. B. Bedient, A Geographical Information System (GIS) User Interface for Delineating Wellhead Protection Areas, Ground Water, 31(3): 480-488, 1993.
Bedient, P. B., and H. S. Rifai, Ground Water Contaminant Modeling for Bioremediation: A Review, Journal of Hazardous Materials, 32:225-243, 1992.
Rifai, H. S., and P. B. Bedient, Comparison of Biodegradation Kinetics with an Instantaneous Reaction Model for Groundwater, Water Resources Research, 26 (4), 637-645, 1990.
Rifai, H. S., P. B. Bedient, J. T. Wilson, K. M. Miller, and J. M. Armstrong, Biodegradation Modeling at Aviation Fuel Spill Site, ASCE Journal of Environmental Engineering, 114 (5), 1007-1029, 1988.
Rifai, H. S., Dehaloccoides Ethenogenes as Indicators for Natural Attenuation, Monitored Natural Attenuation Forum Panel Discussion, Remediation, 109-116, Winter 2003.
Rifai, H. S., A Continued Vision for Bioremediation, Bioremediation Journal, 2002.
Rifai, H. S., One Hundred Years of Natural Attenuation, Bioremediation Journal, 2 (3&4): 217-219, 1998.
Jensen, P., H. Rifai, T. Battenfield, and S. Payne, Lessons Learned from Texas Bayous: Identifying Bacteria Sources, Public Works, October 2001.
Rifai, H. S. and M. P. Suarez, The RBCA Success Story, Environmental Protection, 26-30, December 2000.
Rifai, H. S. and P. LaWare, A Woody Invader: Mapping the Spread of Chinese Tallow in South Houston Using Landsat MultiSpectral Scanner Data, Geospatial Solutions, 29-30, November 2000.
Rifai, H. S., C. J. Newell, and P. B. Bedient, Getting to the Nonpoint Source with GIS, Civil Engineering, 44-46, 1993.
Rifai, H. S., C. J. Newell, and P. B. Bedient, GIS Enhances Water Quality Modeling, GIS World, 52-55, 1993.
Kilborn, K., H. S. Rifai, and P. B. Bedient, Connecting Groundwater Models and GIS, Geo Info Systems, 26-31, 1992.
Co-authored TNRCC Regulatory Guidance, Remediation Division, RG-366/TRRP-33, Monitored Natural Attenuation Demonstrations, October 2001.
Co-Authored EPA SAB Report, Monitored Natural Attenuation: USEPA Research Program - An EPA Science Advisory Board Review, EPA-SAB-EEC-01-004, May 2001, 46 pp., 2001.
Newell, C. J., H. S. Rifai, J. T. Wilson, J. A. Connor, J. A. Aziz, and M. P. Suarez, Calculation and Use of First-Order Rate Constants for Monitored Natural Attenuation Studies, EPA/540/S-02/500, 27 pp, Nov. 2002.
Rifai, H. S., and C. J. Newell, Estimating First Order Decay Coefficients for Petroleum Hydrocarbon Biodegradation, API (American Petroleum Institute) Technical Brief, in press, American Petroleum Institute (API), Washington, DC, 16 pp., 2000
Newell, C. J., H. S. Rifai, and P. B. Bedient, Characterization of Non-Point Sources and Loadings to Galveston Bay, Galveston Bay National Estuary Program (GBNEP-15), Clear Lake, Houston, 33 pp., 1992.
Newell, C. J., J. F. Haasbeek, L. P. Hopkins, S. E. Alder-Schaller, H. S. Rifai, P. B. Bedient, G. A. Gorry, OASIS: Parameter Estimation System For Aquifer Restoration Models, User's Manual Version 2.0, EPA/600/S8-90/039, 1990.
Rifai, H. S., P. B. Bedient, and J. T. Wilson, BIOPLUME Model for Contaminant Transport Affected by Oxygen Limited Biodegradation, EPA/600/M-89/019, 1989.
Dean, K. E., R. M. Palachek, H. S. Rifai, M. P. Suarez, S. Hausman, and L. Koenig, Site-Specific Water Quality Target for a Fish Contaminant: Application of Sediment, Water, and Tissue Targets based on measured Dioxin Partitioning relationships, in Proceedings of Water Enviroment Federation (WEF) TMDL 2003 Conference, Nov. 16-18, Chicago, IL, 2003.
Rifai, H. S., M. P. Suarez, T. Petersen, P. Jensen, Y-c. Su, and R. Stein, Development of an Urban Indicator Bacteria TMDL: Modeling and Allocations, in Proceedings of Water Enviroment Federation (WEF) TMDL 2003 Conference, Nov. 16-18, Chicago, IL, 2003.
Bloom, M. F., P. Jensen, M. Heaney, H. S. Rifai, M. P. Suarez, and L. Koenig, Assessment of Particulate and Dissolved Dioxin Concentrations in Storm Water Runoff to Houston-Area Waterways Using High Volume Sampling, in Proceedings of Water Enviroment Federation (WEF) TMDL 2003 Conference, Nov. 16-18, Chicago, IL, 2003.
Rifai, H. S., M. P. Suarez, R. palachek, K. Dean, P. Jensen, M. Bloom, and L. Koenig, Development of a dioxin TMDL for the Houston Ship Channel in Texas, in Proceedings of Water Enviroment Federation (WEF) TMDL 2003 Conference, Nov. 16-18, Chicago, IL, 2003.
Rifai, H. S., G. L. Shorr, and A. Bagga, MTBE Behavior at Field Sites and Plume Characterization, in Proceedings 2003 NGWA Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, Aug. 19-22, Costa Mesa, CA, National Ground Water Association, Westerville, OH, 2003.
Ling, M., H. S. Rifai, J. J. Aziz, C. J. Newell, and J. R. Gonzales, Groundwater Monitoring Plans for BTEX and MTBE Plumes, in Proceedings 2003 NGWA Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, Aug. 19-22, Costa Mesa, CA, National Ground Water Association, Westerville, OH, 2003.
Ling, M., and H. S. Rifai, Assessing Uncertainty in Groundwater Model Predictions at a Chlorinated Solvents Contaminated Site, in Proceedings of the EWRI World Water and Environmental Resources Conference 2003, Philadelphia, PA, June 22 - 26, 2003.
Su, Y. C., P. Jensen, T. Petersen, H. S. Rifai, and R. Stein, Bacteria Total Maximum Daily Load Modeling for Buffalo and Whiteoak Bayous in Houston, in Proceedings, Texas Water 2003, Corpus Christi, TX, April 1-3, 2003.
M. Ling, J. J. Aziz, C. J. Newell, H. S. Rifai, J. R. Gonzales, and J. Santillan, LTM: Spatial / Temporal Data Management, Analysis, and Visualization, in Proceedings of the EWRI World Water and Environmental Resources Conference 2003, Philadelphia, PA., June 22 - 26, 2003.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, Effective and Efficient LTM: Spatial/temporal Data Analysis and Visualization, in Proceedings 7th International In Situ and On-Site Bioremediation Symposium Orlando, Florida, June 2-5, 2003.
Rifai, H. S., M. P. Suarez, T. Petersen, P. Jensen, Y.C. Su, and R. Stein, Urban Indicator Bateria TMDL Development, in Proceedings National TMDL Science and Policy Conference, Phoenix, AZ, November 13-16, 2002.
Ling, M., H. S. Rifai, C. J. Newell, J. J. Aziz, and J. R. Gonzales, A Methodology for Ground Water Monitoring Plan Optimization at Small-Scale Natural Attenuation Sites, in Proceedings of the 2002 NGWA Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, Nov. 6-8, Atlanta, GA, National Ground Water Association, Westerville, OH, 2002.
Ling, M., H. S. Rifai, C. J. Newell, J. J. Aziz, and J. R. Gonzales, An Integrated Optimization Methodology for Designing Groundwater Monitoring Plans, in Proceedings, 1st Annual Environmental and Water Resources Systems Analysis (EWRSA) Symposium, Roanoke, Virginia, May 19-22, 2002.
Shorr, G. L. and H. S. Rifai, Characterizing the Intrinsic Remediation of MTBE at Field Sites in Texas, in Proceedings of 3rd International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Editors: A. R. Gavaskar and A. S. C. Chen, Monterrey, California, May 20-23, 2002.
Shorr, G. L., and H. S. Rifai, Assessing the Potential of MTBE Natural Attenuation at Field Sites in Texas, in Proceedings of the National Conference on Environmental Science and Technology, Greensboro, NC, September 8-10, 2002.
Shorr, G. L., and H. S. Rifai, A Closer Look at MTBE Behavior within the Subsurface, in Proceedings of the International Petroleum Environmental Conference, Albuquerque, NM, October 22-25, 2002.
Bagga, A., and H.S. Rifai, In Situ Aerobic Bioremediation of MTBE, in Proceedings of the National Conference on Environmental Science and Technology, Greensboro, NC, September 8-10, 2002.
Bagga, A., and H.S. Rifai, In Situ Aerobic Bioremediation of MTBE: A Pilot Scale Field Study, in Proceedings of 9th International Petroleum Environmental Conference, Albuquerque, NM, October 21-25, 2002.
Rifai, H. S., M. P. Suarez, and C. Webb, Natural Attenuation of Chlorinated Solvents at Dry Cleaner Sites, in Proceedings, 8th International Petroleum Environmental Conference, Houston, Texas, November 6-9, 2001.
Aziz, . J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, MAROS: Decision Support Software for Designing Monitoring Plans, AIChe Topical Conference on Remedial Process Optimization, Atlanta, GA, March 2000.
Aziz, J. J., C. J. Newell, H. S. Rifai, Ling, M.,, and J. R. Gonzales, MAROS: Decision Support Software for Designing Monitoring Plans, in Proceedings, ASCE 2000 Joint Conference on Water Resources Engineering and Water Resources Planning and Management, Minneapolis, Minnesota, July 30-August 2, 2000.
Suarez, M. P. and H. S. Rifai, Assessing Uncertainty in Remediation by Natural Attenuation of a Petroleum Hydrocarbon Contaminated Site, in Proceedings, ModelCare 99 International Conference on Calibration and Reliability in Groundwater Modelling, Zurich, Switzerland, Sep. 20-23, 1999, F. Stauffer, W. Kinzelbach, K. Kovar and E. Hoehn (Eds). IAHS Publication No. 265. pp. 489-494, 2000.
Suarez, M. P. and H. S. Rifai, Estimation of Biodegradation Rates for Natural Attenuation at Hazardous Waste Sites, in Proceedings, National Conference on Environmental Remediation Science and Technology, Sept. 8-10, Greensboro, NC, pp. 223-231, Battelle, Dublin, OH, 1998.
Rifai, H. S., and C. J. Newell., Estimating First-Order Decay Rates for BTEX Using Data from 115 Sites, in Proceedings of the 1998 NGWA Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, Nov. 11 - 13, Houston, Texas, pp. 31 - 41, National Ground Water Association, Westerville, OH, 1998.
Hopkins, L. P., M. P. Frasier, K. B. Ensor, and H. S. Rifai, Evaluation of the Use of Empirical Ambient Ozone Pollutant Modeling and Subject Activity Logs as an Indirect Measurement of Ozone Exposure, in Proceedings, Air and Waste Management Association, 91st Annual Meeting and Exhibition, June 14-18, San Diego, CA, Air and Waste Management Association, 1998.
Rifai, H. S., P. B. Bedient, and K. S. Burgess, Case Study: Plant 44, Tucson, Arizona, in EPA Symposium on Natural Attenuation of Chlorinated Organics in Ground Water, Sept. 11 - 13, Dallas, TX, pp. 90-92, 1996.
Hopkins, L. P., P. LaWare and H. S. Rifai, Using Compounding Risk as a Guide for Establishing Area-Specific RBCA Limits, in Proceedings NGWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, November 13 - 15, Houston, TX, pp. 737-740, National Ground Water Association, Westerville, OH, 1996.
Hauschel, E. M., K. B. Ensor, D. D. Cox, and H. S. Rifai, Estimation of Contaminant Concentration in Ground Water Using A Stochastic Flow and Transport Model, in Proceedings NGWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, November 13 - 15, Houston, TX, pp. 719-736, National Ground Water Association, Westerville, OH, 1996.
Newell, C. J., J. A. Winters, H. S. Rifai, R. N. Miller, J. Gonzales, and T. H. Wiedemeier, Modeling Intrinsic Remediation with Multiple Electron Acceptors: Results from Seven Sites, in Proceedings NGWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, November 29 - December 1, Houston, TX, pp. 33 -23 47, National Ground Water Association, Westerville, OH, 1995.
Rifai, H. S., Energy and the Environment: A Changing Paradigm, in Proceedings of Air and Waste Management Association 88th Annual Meeting and Exhibition (95-WA133.04), June 18 - 23, San Antonio, Texas, Air and Waste Management Association, 1995.
Rifai, H. S., Mathematical Modeling of Intrinsic Bioremediation at Field Sites, EPA Symposium on Intrinsic Bioremediation of Ground Water, Aug. 30 - Sept. 1, Denver, CO, EPA/540/R-94/515, pp. 103-110, 1994.
Connor, J. A., C. J. Newell, J. P. Nevin, and H. S. Rifai, Guidelines for Use of Groundwater Spreadsheet Models in Risk-Based Corrective Action Design, in Proceedings NWWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, November 2 - 4, Houston, TX, pp. 43-55, National Ground Water Association, Westerville, OH, 1994.
Burgess, K. S., H. S. Rifai, and P. B. Bedient, Flow and Transport Modeling of a Heterogeneous Field Site Contaminated with Dense Chlorinated Solvent Waste, in Proceedings NWWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, November 10-12, Houston, TX, pp. 693-707, National Ground Water Association, Westerville, OH, 1993.
Newell, C. J., H. S. Rifai, and P. B. Bedient, Characterization of Non-Point Sources and Loadings to Galveston Bay, in Proceedings of the Second State of the Bay Symposium, pp. 65-70, Galveston Bay National Estuary Program (GBNEP-23), Clear Lake, TX, 1993.
Bedient, P. B., G. P. Long, and H. S. Rifai, Modeling Natural Biodegradation with BIOPLUME II, in Proceedings, 5th International Conference: Solving Ground Water Problems with Models, Feb. 11-13, Dallas, TX, pp. 699-714, Water Well Journal Publishing Co., Dublin, OH, 1992.
Bedient, P. B. and H. S. Rifai, Ground Water Contaminant Modeling for Bioremediation: A Review, in Proceedings, 4th Annual Symposium on Ground Water: The Problem and Some Solutions, Apr. 2-3, Beaumont, TX, pp. 101-121, Gulf Coast Hazardous Substance Research Center, Lamar University, 1992.
Kilborn, K., H. S. Rifai, and P. B. Bedient, The Integration of Ground Water Models with Geographic Information Systems (GIS), 1991 ACSM-ASPRS Annual Convention, Baltimore, MD, Technical Papers, Volume 2:150-159, American Congress on Survey and Mapping and American Society for Photogrammetry and Remote Sensing, Bethesda, MD, 1991.
Newell, C. J., H. S. Rifai, and P. B. Bedient, Characterization of Non-Point Sources and Loadings to Galveston Bay, in Proceedings of the Galveston Bay Characterization Workshop, February 21-23, pp. 34-36, Galveston Bay National Estuary Program (GBNEP), Clear Lake, TX, 1991.
Rifai, H. S. and P. B. Bedient, A TC Model Alternative for Production Waste Scenarios, in Proceedings First International Symposium on Oil and Gas Exploration and Production Waste Management Practices, New Orleans, LA, pp. 955-965, U.S. Environmental Protection Agency, 1990.
Rifai, H. S., P. B. Bedient, and C. J. Newell, Review and Analysis of the Toxicity Characteristics Composite Landfill Model, in Proceedings NWWA/API Conference on Petroleum Hydrocarbons Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, October 31-November 2, Houston, TX, pp. 143-157, National Ground Water Association, Westerville, OH, 1990.
Bedient, P. B., L. A. Vance, and H. S. Rifai, Implementation of Wellhead Protection Programs Utilizing Geographical Information Systems, in Proceedings 8th National Conference on Microcomputers in Civil Engineering, University of Central Florida and the American Society of Civil Engineers, October 31 - Nov. 1, Orlando, FL, pp. 87-90, 1990.
Ward, C.H., J. M. Thomas, S. Fiorenza, H. S. Rifai, P. B. Bedient, J. T. Wilson, and R. L. Raymond, In Situ Bioremediation of Subsurface Material and Ground Water Contaminated with Aviation Fuel: Traverse City, Michigan, in Proceedings of the Air & Waste Management Association/EPA International Symposium, Feb. 21-22, Cincinnati, OH, pp. 83-96, 1989.
Rifai, H. S. and P. B. Bedient, Biorestoration Modeling of a Pilot Scale Field Experiment, in Proceedings of the IGWMC/NWWA Conference on Solving Ground Water Problems with Models, February 7-9, Indianapolis, IN, pp. 1187-1203, 1989.
Ward, C. H., J. M. Thomas, S. Fiorenza, H. S. Rifai, P. B. Bedient, J. M. Armstrong, J. T. Wilson, and R. L. Raymond, A Quantitative Demonstration of the Raymond Process for In Situ Biorestoration of Contaminated Aquifers, in Proceedings of the NWWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, November 9-11, Houston, TX, pp. 723-743, National Ground Water Association, Westerville, OH, 1988.
Wheeler, M. F., C. N. Dawson, P. B. Bedient, C. Y. Chiang, R. C. Borden, and H. S. Rifai, Numerical Simulation of Microbial Biodegradation of Hydrocarbons in Ground Water, in Proceedings of the NWWA/IGWMC Conference on Solving Ground Water Problems with Models, February 10-12, Denver, CO, pp. 92-109, National Ground Water Association, Westerville, OH, 1987.
Rifai, H. S. and P. B. Bedient, BIOPLUME II - Two Dimensional Modeling for Hydrocarbon Biodegradation and In-Situ Restoration, in Proceedings of the NWWA/API Conference on Petroleum Hydrocarbons Hydrocarbons and Organic Chemicals in Groundwater: Prevention, Detection, and Restoration, November 17-19, Houston, TX, pp. 431-450, National Ground Water Association, Westerville, OH, 1987.
Rifai, H. S., and P. B. Bedient, On-Line Hydrologic Simulation of Lake Conroe Reservoir Releases for Downstream Flood Control, in Proceedings of the American Society of Civil Engineers (ASCE) Conference: Hydraulics and Hydrology in the Small Computer Age, August 12-17, Lake Buena Vista, FL, pp. 300-305, 1985.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. R. Gonzales, Monitoring and Remediation Optimization System (MAROS) SOFTWARE User s Guide, Air Force Center for Environmental Excellence, San Antonio, TX, 2000.
Rifai, H. S., C. J. Newell, J. R. Gonzales, S. Dendrou, B. Dendrou, L. Kennedy, J. Wilson, BIOPLUME III - Natural Attenuation Decision Support System, User's Manual, Version 1.0, Air Force Center For Environmental Excellence, San Antonio, TX, 272 p., 1996.
Newell, C. J., J. F. Haasbeek, L. P. Hopkins, S. E. Alder-Schaller, H. S. Rifai, P. B. Bedient, G. A. Gorry, OASIS: Parameter Estimation System For Aquifer Restoration Models, User s Manual Version 2.0, Robert S. Kerr Laboratory, Ada, OK, 51 p., 1990.
Rifai, H. S., P. B. Bedient, R. C. Borden, and J. F. Haasbeek, BIOPLUME II - Computer Model of Two-Dimensional Contaminant Transport under the Influence of Oxygen Limited Biodegradation in Ground Water, User's Manual, Version 1.0, Rice University, Houston, TX, 100 p., 1987.
Raun, L., O. Correa, H. S. Rifai, M. P. Suarez, and L. Koenig, Dioxin in Air, U. S. EPA Region 6 13th Annual Quality Assurance Conference, October 20-24, Dallas, Texas, 2003
Rifai, H. S., Indicator Bacteria and their Causes and Sources in Houston Bayous, Texas A&M TWRI (Texas Water Resources Institute) Workshop on Identifying Bacterial Source Tracking Needs in Texas, May 6, Austin, TX, 2003.
Rifai, H. S., A. Bagga, Y. Choi, and G. Shorr, Characterizing the Intrinsic Remediation of MTBE at Chevron Sites, Presentation at Chevron Oxygenate Technology Transfer Workshop, May 15, Houston, TX, 2003.
Rifai, H. S., G. Shorr, and A. Bagga, Natural Attenuation and In Situ Bioremediation of MTBE, Presentation at Chevron Oxygenate Technology Transfer Workshop, June 25, Houston, TX, 2002.
Rifai, H. S., GIS Challenges in Hydrology, Mitigating Severe Weather Impacts in Urban Areas, National Symposium held in Houston, Texas, April 15-17, 2002.
Rifai, H. S., Evolutionary Trends in Environmental Research: Water Resources, Seminar at Rice University's Environmental Science and Engineering Department's 30-yr Anniversary Celebration, November 2, 2000.
Rifai, H. S., State-of-the-Art Techniques in Natural Attenuation of Groundwater Contamination, WEAT SE Section Meeting, November 16, 2000.
Rifai, H. S., Natural Attenuation of Fuels and Chlorinated Solvents, Seminar at Rice University, Department of Environmental Science and Engineering, March 28, 2000.
Rifai, H. S., Natural Attenuation of Fuels and Chlorinated Solvents, Seminar at University of Houston, Geosciences Department, March 31, 2000.
Rifai, H. S. and M. P. Suarez, Estimating Biodegradation Rates for Fuel Hydrocarbons and Chlorinated Solvents, NGWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, November 17-19, Houston, TX, 1999.
Rifai, H. S., Natural Attenuation of Fuels and Chlorinated Solvents: Similarities and Differences, Presentation at the Texas Natural Resource Conservation Commission (TNRCC ), Natural Attenuation of Chlorinated Solvents Seminar, August 12, Austin, TX, 1999.
Rifai, H. S., The Role of Intrinsic Remediation in Aquifer Cleanup, SETAC 19th Annual Meeting, Nov. 15 - 19, Charlotte, NC, 1998.
Rifai, H. S., Environmental and Infrastructure Applications with Remote Sensing and GIS, URISA Meeting, Aug. 27, Houston, TX, 1998.
Rifai, H. S., Intrinsic Remediation of Mixed Fuel/Chlorinated Solvent Sites, Union Carbide 5th Annual Technology Symposium, Jun10, S. Charleston, West Virginia, 1998.
Rifai, H. S., Natural Attenuation for Remediating Sites Contaminated with Fuels and Chlorinated Solvents, Texas Hazardous Waste Management Society Meeting, Jan 22, Houston, TX, 1998.
Rifai, H. S., Natural Attenuation Processes and Modeling, 3rd Annual Florida Remediation Conference, Nov. 12 - 13, Orlando, Florida, 1997.
Rifai, H. S., Natural Attenuation Processes and Modeling, Seminar in Chemical Engineering, University of Houston, Sept 26, Houston, Texas, 1997.
Rifai, H. S., Natural Attenuation of Fuels and Chlorinated Hydrocarbons in Ground Water, Seminar presented at the City of Houston Department of Public Works and Engineering, March 24, Houston, TX, 1997.
Rifai, H. S., Natural Attenuation of Fuels and Chlorinated Organics in Ground Water, Seminar in Civil and Environmental Engineering, Feb 27, University of Houston, Houston, Texas, 1997.
Rifai, H. S., Research in Environmental Science and Engineering, Presentation at Department of Natural Sciences of the University of Houston - Downtown Campus, April 4, Houston, Texas, 1996.
Rifai, H. S., Evaluation of a Pump-and-Treat Remediation System at the Plant 44 Site in Tucson, Arizona, Lawrence Livermore National Laboratory, Dec 10, Oakland, CA, 1996.
Rifai, H. S., Integration of Natural Attenuation and Risk Assessment: Modeling and Case Studies, IBC's 2nd Annual International Symposium on Intrinsic Bioremediation, Dec 3 - 4, Annapolis, MD, 1996.
Rifai, H. S., P. B. Bedient, and K. S. Burgess, Case Study: Plant 44, Tucson, Arizona, EPA's Symposium on Natural Attenuation of Chlorinated Organics in Ground Water, September 11 - 13, Dallas, TX, 1996.
Rifai, H. S., Modeling the Prediction and Validation of Intrinsic Remediation, Union Carbide 3rd Annual Tecnology Symposium, S. Charleston, West Virginia, November 6, 1996.
Rifai, H. S., Environmental Applications of Geographical Information Systems, Houston Area Chapter of the American Statistical Association, August, Houston, Texas, 1995.
Rifai, H. S., Modeling and Intrinsic Bioremediation, Intrinsic Bioremediation, Strategies for Effective Analysis, Monitoring and Implementation, IBC's 1st Annual International Symposium on Intrinsic Bioremediation, Oct 16 - 17, Annapolis, MD, 1995.
Rifai, H. S., C. J. Newell, J. Wilson, R. N. Miller, J. Gonzales, Modeling Natural Attenuation with Multiple Electron Acceptors, 1995 SIM Annual Meeting, August 6 - 11, San Jose, CA, 1995.
Rifai, H. S., R. C. Borden, J. T. Wilson, and C. H. Ward, Intrinsic Bioattenuation for Substance Restoration, "In Situ and On-Site Bioreclamation," The Third International Symposium, Apr. 24 - 27, San Diego, CA, 1995.
Rifai, H. S., Modeling of Ground Water Remediation Systems, 1995 SIAM Conference on Mathematical and Computational Issues in the Geosciences, Feb. 8 - 10, San Antonio, Texas, 1995.
Rifai, H. S., and J. Blackburn, Sustainable Development and the Two Lagunas, Water for Texas, Jan. 26 - 27, Austin, Texas, 1995.
Rifai, H. S., The Role of Universities in Data Acquisition and Sharing: The Two Lagunas Project, Texas GIS Forum, Nov. 30 - Dec. 1, Austin, Texas, 1994.
Rifai, H. S., Decision Support Systems in the Public Domain: Issues and Considerations, EPA Conference on Decision Support Systems, June 28 - 29, Seattle, Washington, 1994.
Rifai, H. S., and P. B. Bedient, Decision Support System for Evaluating Remediation Performance with Interactive Pump-and-Treat Simulator, EPA Annual Seminar, June 1 - 3, Ada, OK, 1994.
Rifai, H. S., A Decision Support System for Pump-and-Treat Remediation, 1994 EPA NARPM Conference, May 24 -26, Kansas City, Missouri, 1994.
Rifai, H. S., Geographical Information System and Decision Support System Applications in Groundwater, Seminar at Rice University, September 21, Houston, TX, 1993.
Rifai, H. S., Characterization of Non-Point Sources of Pollution in Galveston Bay, Woodward-Clyde Seminar Series, May 20, Houston, TX, 1992.
Rifai, H. S., Evolution of Geographical Information Systems for Site Management, Waste Management's Fall Technical Conference, September, Chicago, IL, 1991
Rifai, H. S., and P. B. Bedient, GIS for Wellhead Protection, Association of Engineering Geologists 36th Annual Meeting, October 9-15, San Antonio, TX, 1993.
Rifai, H. S., and P. B. Bedient, Information Systems for Ground Water Protection, API Health and Environmental Meeting, Oct. 29, New Orleans, LA, 1991.
Rifai, H. S., Hydrogeologic Considerations for Site Design, EPA Seminar on Bioremediation, Aug. 1-2, Palm Beach, FL, 1990.
Suarez, M. P. Rittaler, T., H. S. Rifai, and S. Hausman, Natural Attenuation of Chlorinated Solvents, 10th International Petroleum Environmental Conference (IPEC), Nov 11-14, Houston, TX, 2003.
Ling, M., H. S. Rifai, J. Aziz, C. J. Newell, J. Gonzales, J. Santillan, Decision Support Software for Designing Groundwater Monitoring Plans, 10th International Petroleum Environmental Conference (IPEC), Nov 11-14, Houston, TX, 2003.
Bagga, A., H. S. Rifai, and W. Rixey, Oxygen Release Characteristics of ORC, 10th International Petroleum Environmental Conference (IPEC), Nov 11-14, Houston, TX, 2003.
Petersen, T., M. P. Suarez, H. S. Rifai, P. Jensen, Y-C. Su, and R. Stein, Modeling and Allocation Development for an Urban Indicator Bacteria TMDL, AWRA Annual Conference, Nov. 2-5, San Diego, CA, 2003.
Suarez, M., H. S. Rifai, R. Palachek, K. Dean, P. Jensen, M. Bloom, and L. Koenig, TMDL for Dioxin in the Houston Ship Channel, SETAC Local Chapter Conference, April 25, Houston, Texas, 2003.
Bagga, A. and H. S. Rifai, Aerobic Bioremediation of MTBE - In-Situ Remediation Technology, 2003 NGWA Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration, Aug. 19-22, Costa Mesa, CA, National Ground Water Association, Westerville, OH, 2003 (Poster Presentation).
Bagga, A., and H. S. Rifai, In-Situ Aerobic Bioremediation - MTBE Remediation Strategy, In Situ and On-Site Bioremediation, June 2-5, Orlando, Florida, Battelle 2003.
Shorr, G. L., and H. S. Rifai, Evaluating Natural Attenuation at Field Sites Contaminated with MTBE, In Situ and On-Site Bioremediation, June 2-5, Orlando, Florida, Battelle 2003.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, MAROS 2.0: Monitoring and Remediation Optimization System Software, AFCEE Cleanup Technology Transfer Workshop 2002, San Antonio, TX, Feb 24-27, 2003.
Rifai, H. S., M. P. Suarez, R. Palachek, K. Dean, P. Jensen, M. Bloom, and L. Koenig, Assessment of Dioxin Contamination in the Houston Ship Channel, Galveston Bay Estuary Program Workshop, Houston, Texas, January 14-16, 2003.
Shorr, G. L., and H. S. Rifai, Multi-Site Study of MTBE Plumes, The Fifth Symposium in GRA's Series on Groundwater Contaminants: Biological Treatment of MTBE Contamination in Groundwater Ex-Situ and In-Situ Challenges, San Jose, CA, October 17, 2002.
Rifai, H., Shorr, G., Bagga, A., Rixey, W. and Roberts, D., Natural Attenuation and In Situ Bioremediation of MTBE, American Chemical Society 224th National Meeting, Boston, MA, August 18-22, 2002.
Jensen, P., Y-C. Su, K-L. Lee, A. Boer, H. Rifai, S. Payne, R. Stein, and T. Running, Indicator Bacteria Studies on Houston Bayous, Texas Water 2002, San Antonio, TX, April 2-5, 2002.
Jensen, P., Y-C. Su, K-L. Lee, A. Boer, H. Rifai, S. Payne, R. Stein, and T. Running, Indicator Bacteria Monitoring on Houston Bayous, Texas Water Monitoring Congress, September 2002.
Ling, M., H. S. Rifai, J. J. Aziz, C. J. Newell, and J. R. Gonzales, Development of an Integrated Methodology for Optimizing Ground water Long-Term Monitoring Programs, 2002 AAPG Annual Meeting, Houston, TX, March 10-13, 2002 (Poster Presentation).
Bagga, A. and H. S. Rifai, In Situ Bioremediation of MTBE Through Biostimulation and Bioaugmentation, 2002 AAPG Annual Meeting, Houston, TX, March 10-13, 2002 (Poster Presentation).
Shorr, G. L. and H. S. Rifai, Characterizing the Intrinsic Remediation of MTBE at Field Sites in Texas, 2002 AAPG Annual Meeting, Houston, TX, March 10-13, 2002 (Poster Presentation).
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, MAROS: Monitoring and Remediation Optimization System Software, AFCEE Cleanup Technology Transfer Workshop 2002, San Antonio, TX, March 4-7, 2002.
Aziz, J.J., C.J. Newell, M. Ling, H.S. Rifai and J. Gonzales, Optimizing Groundwater Monitoring: Application to Fort Lewis Logistics Center, Federal Remediation Technologies Roundtable (FRTR), Washington, D.C., December 18, 2002.
Ling, M., H. S. Rifai, J. J. Aziz, C. J. Newell, and J. R. Gonzales, An Integrated Sampling Optimization Methodology for Groundwater Long-Term Monitoring, AGU 2001 Fall meeting, San Fransisco, CA, December 10-14, 2001 (Poster Presentation).
Rifai, H. S., M. P. Suarez, P. Jensen and A. Sullivan, Total Maximum Daily Load Study for Bacteria in Two Texas Bayous, NGWA petroleum Hydrocarbons Conference and Exposition, Houston, Texas, November 14-16, 2001 (Poster Presentation).
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales MAROS Decision Support System, Railroad Environmental Conference - 2001, University of Illinois at Urbana Champaign, September 25-27, 2001.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales MAROS Decision Support System for Designing Monitoring Programs, Presentation to National Research Council, Environmental Remediation at Navy Facilities Committee, Arlington, VA, June 2001.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, Decision Support System for Designing Monitoring Programs, 2001 International Containment and Remediation Technology Conference and Exhibition, Orlando, FL, June10-13, 2001.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales, New Statistical/Visualization Tools for MAROS: Monitoring Decision Support System, EWRI/ASCE 2001 World Water and Environmental Resources Congress, Orlando, Florida, May 20-24, 2001 (Poster Presentation).
Jensen, P. A., K. L. Lee, Y. C. Su, H. S. Rifai, M. P. Suarez, and K. Dean, TMDL for Bacteria in Houston Bayous, Texas Water 2001, Houston, Texas, April 1- 4, 2001.
Aziz, J. J., C. J. Newell, H. S. Rifai, M. Ling, and J. Gonzales AFCEE Decision Support Software for Long Term Monitoring: MAROS, Federal Remediation Technologies Roundtable (FRTR), Washington, DC, Dec 6-7, 2000.
Bedient, P. B. and H. S. Rifai, The Water Issues in Houston, Water for Texas 2000 and Beyond Conference, Sept 23-24, 2000, Texas A&M University - College Station, 2000.
Rifai, H. S., M. Ling, C. J. Newell, S. L. Ita, and M. Faile, Development of Decision Support Tools for Designing Long Term Monitoring Plans (LTMPs), International Conference on Groundwater Research, June 6-8, Copenhagen, Denmark, 2000 (Poster Presentation).
Suarez, M. P., H. S. Rifai, Assessing Natural Attenuation of Petroleum Hydrocarbons at a Coastal Facility, Sixth Annual International Petroleum Environmental Conference, Nov. 16-189, Houston, TX, p. 55, Integrated Petroleum Environmental Consortium, 1999.
Rifai, H. S. , and M. P. Suarez, Natural Attenuation of Fuels at a Coastal Facility, 1999 Theis Conference, "Remediation of Subsurface Contaminants: The Meaning and Measures of Success," November 12-15, Amelia Island Plantation, FL, 1999 (Poster Presentation).
Aziz, J., C. Newell, H. Rifai, M. Ling, and J. Gonzales, Long Term Monitoring Planning Tools, RPO PMR Meeting, Arlington, VA, Nov 29, 1999.
Suarez, M. P. and H. S. Rifai, Natural Attenuation of Petroleum Hydrocarbons at a Coastal Industrial Facility, In Situ and On-Site Bioremediation, Apr. 19-22, San Diego, CA, Battelle 1999 (Poster Presentation).
Suarez, M. P. and H. S. Rifai, Natural Attenuation of Petroleum Hydrocarbon and Chlorinated Solvent Plumes, 1998 AWRA Annual Water Resources Conference, Point Clear, Alabama, November 16-19, 1998.
Brock, S. M. and H. S. Rifai, Determination of Streamflow Characteristics of Ungaged Texas Streams Using Regression Analysis, AGU Spring Meetings, May 26-28, Boston, MA, 1998 (Poster Presentation).
Rifai, H. S., and L. Hopkins, The Natural Attenuation Toolbox: A Decision Support System for Evaluating Natural Attenuation, NGWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Detection, Prevention and Restoration, Houston, TX, November 29 - December 1, 1995 (Poster Presentation).
Rifai, H. S., and L. Hopkins, An Exposure/Risk Based Screening Approach for Selecting the Natural Attenuation Alternative at Sites, In Situ and On-Site Bioreclamation, The Third International Symposium, San Diego, CA, Apr. 24 - 27, 1995 (Poster Presentation).
Sweed, H., H. S. Rifai, P.B. Bedient, and S.R. Hutchins, Design of a Surface Application System for In-Situ Bioremediation, In Situ and On-Site Bioreclamation, The Third International Symposium, San Diego, CA, Apr. 24 - 27, 1995 (Poster Presentation).
Rifai, H. S. , C. J. Newell, and P. B. Bedient, Characterization and Modeling of Non-Point Source Pollution Loads to Galveston Bay, AIChE Summer Meeting, Aug. 15-17, Denver, CO, 1994.
Rifai, H. S., and P. B. Bedient, Natural Aerobic Biological Attenuation at Field Sites, in Proceedings of the Environmental Restoration Technology Transfer Symposium, U. S. Air Force Center for Environmental Excellence, Jan. 26-27, San Antonio, TX, 1993.
Newell, C. J., H. S. Rifai, and P. B. Bedient, Characterization of Non-Point Sources and Loadings to Galveston Bay, Texas Water Pollution Control Association, 1992 Technical Program, June, Dallas, TX, pp. 78-79, 1992.
Rifai, H. S., Natural Biological Attenuation: Aerobic, Subsurface Restoration Conference, June 21-24, Dallas, TX, 1992.
Rifai, H. S. , L. A. Vance and P. B. Bedient, Geographical Information Systems for Wellhead Protection, NWWA Conference on Groundwater Quality, Anaheim, CA, September 25-26, 1990.
Bedient, P. B., and H. S. Rifai, Effect of Kinetic Reactions in Biodegradation Modeling, Front Range AGU Meeting, February 13-14, Golden, CO, 1989.
Rifai, H. S., and P. B. Bedient, Comparison of Two Conceptual Models for Simulating Biodegradation of Organic Contaminants in Ground Water, International Symposium on Processes Governing the Movement and Fate of Contaminants in the Subsurface Environment, Stanford, CA, July 23-26, 1989 (Poster Presentation).
Rifai, H. S., and P. B. Bedient, Biorestoration Modeling--Theory and Application, SIM Symposium on Large-scale Field Demonstrations of Microbial Remediation Processes, August 13-18, 1989.
Bedient, P. B. and H. S. Rifai, Modeling Hydrocarbon Biodegradation and Aquifer Biorestoration with a Dual Particle Mover Concept, GSA Symposium on Geochemical Reactions and Related Physical Processes Associated with Organic Compounds in Ground Water, Oct. 26 - 30, 1987.
Rifai, H. S., P. B. Bedient and C. J. Newell, OASIS Decision Support System, Superfund 89, November 27 - 29, 1989 (Poster Presentation + Computer Demonstration).