Meeting Abstracts and Publications Phipps, D. W. and H. F. Ridgway. 1995. Degradation of vapor phase volatile organic contaminants using biologically activated foam. Meeting abstract, IGT Symposium on Gas, Oil, and Environmental Biotechnology; December, 1995; Colorado Springs, CO. Phipps, D. W. and H. F. Ridgway. 1995. Using Biologically Activated Foam for the Degradation of Vapor Phase Volatile Organic Contaminants. Meeting abstract, The Conference on Biofiltration; October, 1995; Los Angeles, CA. Ridgway, H. F. 1995. The bacterium and the membrane: the eternal struggle. Meeting abstract, Membrane Technology Conference (AWWA); August, 1995; Reno, NV. Leddy, M. B.; D. W. Phipps; and H. F. Ridgway. 1995. Catabolite-mediated mutations in alternate toluene degradative pathways in Psuedomonas putida. J. Bacteriol. 177(16): 4713-4720. Rodriguez, G. G.; T. P. Cormack, M. S. Davidson; and H. F. Ridgway. 1995. Sulfur-mediated biological denitrification. Abstr. Annu. Meet. Am. Soc. Microbiol. 95(0): 475. Phipps, D. W. Jr.; P. Campbell and H. F. Ridgway. 1995. Effects of operating parameters on gasoline hydrocarbon biodegradation in a model vapor phase bioreactor. Meeting abstract, In Situ and On-Site Bioreclamation, The Third International Symposium; April, 1995; San Diego, CA. Davidson, M. S.; T. Cormack; H. F. Ridgway; and G. Rodriguez. 1994. Use of sulfur oxidizing bacteria to remove nitrate from ground water. Meeting abstract, Symposium on Bioremediation of Hazardous Wastes: Research, Development, and Field Evaluations; June, 1994; San Francisco, CA. Leddy, M. B.; D. W. Phipps, Jr.; and H. F. Ridgway. 1994. Induction of deletions in dual pathways for toluene catabolism in Ps. putida. Meeting abstract, 7th International Symposium on Genetics of Industrial Microorganisms; June, 1994; Montreal, Canada. Leslie, G. L.; R. P. Schneider; A. G. Fane; K. C. Marshall; and C. J. D. Fell. 1993. Fouling of a microfiltration membrane by two Gram-negative bacteria. Colloids and Surfaces A: Physicochemical and Engineering Aspects 73: 165-178. Davidson, M. S. and T. Cormack. 1993. Bioreactor treatment of nitrate contamination in ground water: studies on the sulfur-mediated biological denitrification process. Meeting abstract, Symposium on Bioremediation of Hazardous Wastes: Research, Development, and Field Evaluations; May, 1993; Dallas, TX. Phipps, D. W. Jr. and H. F. Ridgway. 1993. Modular bioreactor and computerized instrumentation package to identify critical design parameters for vapor phase bioreactors. Meeting abstract, In Situ and On-Site Bioreclamation, The Second International Symposium; April, 1993; San Diego, CA. Ridgway, H. F.; D. Phipps, Jr.; and M. B. Leddy. 1993. Physiological stress in hydrocarbon-degrading bacteria. 1993. Meeting abstract, Keystone Symposia on Molecular and Cellular Biology; March, 1993; Lake Tahoe, CA. Leddy, M. B.; D. Phipps, Jr.; and H. F. Ridgway. 1993. Induction of toluene non-degrading mutants by catabolic intermediates of toluene. Meeting abstract, Keystone Symposia on Molecular and Cellular Biology; March, 1993; Lake Tahoe, CA. Rodriguez, G. G.; D. Phipps; K. Ishiguro; and H. F. Ridgway. 1992. Use of a fluorescent redox probe for direct visualization of actively respiring bacteria. Appl. Env. Microbiol. 58(6): 1801-1808. Rodriguez, G. G.; D. Phipps; K. Ishiguro; and H. F. Ridgway. 1992. Use of a fluorescent redox probe for direct visualization of actively respiring bacteria. Abstr. Annu. Meet. Am. Soc. Microbiol. 92(0): 355. Gordon, G. Z.; D. W. Phipps; and H. F. Ridgway. 1991. Investigation of the mechanism of percolation reduction in a deep recharge basin. Meeting abstract, 5th Symposium on Artificial Recharge of Groundwater; May, 1991; Tuscon, AZ. Neuber, K.; J. E. Ericson; H. F. Ridgway; and D. Phipps, Jr. 1991. Remote detection of underground bioremediation by soil carbon dioxide analysis. Meeting abstract, Proc. National Research & Development Conference on the Control of Hazardous Materials; February, 1991; Anaheim, CA. Tan, L. and G. L. Amy. 1991. Comparing ozonation and membrane separation for color removal and disinfection by-product control. Journal AWWA 83(5): 74-79. Leddy, M. B.; D. Phipps, Jr.; and H. F. Ridgeway. 1990. Induction of tol- variants is affiliated with toluene catabolism in Pseudomonas putida strain SB2-091686-54g. Meeting abstract, International Biotechnology Expo and Scientific Conference; October, 1990; San Francisco, CA. Goodrich, J. A.; D. W. Phipps; G. Z. Gordon; and W. R. Mills. 1990. Bottom plugging dynamics in recharge basins. Meeting abstract, National Conference on Irrigation and Drainage Engineering and Watershed Management Symposium; July, 1990; Durango, CO. Leddy, M. B.; and H. F. Ridgway. 1990. Induction of tol- mutants is associated with toluene catabolism in Pseudomonas putida strain 54g. Abstr. Annu. Meet. Am. Soc. Microbiol. 90(0): 306. Ridgway, H. F.; J. Safarik; D. Phipps; P. Carl; and D. Clark. 1990. Identification and catabolic activity of well-derived gasoline-degrading bacteria from a contaminated aquifer. Appl. Environ. Microbiol. 56(11): 3565-3575. Phipps, D. W. Jr. and H. F. Ridgway. 1990. Detatchment of gasoline-degrading bacteria from a silica sand matrix induced by depletion of inorganic nutrients. Abstr. Annu. Meet Am. Soc. Microbiol. 90(0): 294. Phipps, D. W. and H. F. Ridgway. 1987. Effects of nutrient supplementation on gasoline mineralization by groundwater microorganisms. Ridgway, H. F.; M. R. Rigby; and D. G. Argo. 1985. Bacterial adhesion and fouling of reverse osmosis membranes. Journal AWWA 77: 97-106. Patents:  U.S. Patent Application 08/382,284. Biodegradation of volatile organic contaminants from air using biologically activated foam. Filed: February 1, 1995. Inventor: Donald W. Phipps, Jr. Assignee: The National Water Research Institute.