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VOC emission control from wastewater treatment facilities using biofiltration. Ergas, S.J., E.D. Schroeder, and D.P.Y. Chang. Proceedings of the 84th Annual Meeting & Exhibition of the Air & Waste Management Association, Vancouver, British Columbia. June 16-21, 1991.

Control of volatile organic compound emissions from a POTW using a compost biofilter. Ergas, S.J., E.D. Schroeder, and D.P.Y. Chang. Proceedings of the 85th Annual Meeting & Exhibition of the Air and Waste Management Association, Kansas City, Missouri. June 21-26,1992.

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Odor control-completing the composting process. International Process Systems, Inc. Unpublished. 1990.

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Innovative biological degradation system for hydrocarbon treatment, Biofilter Technology for Air Toxics Emissions and POTWs. Kosky, Kennard and C. Richard Neff. Biofiltration Inc., Gainesville, Fl. 1991.

Odor control for municipal sludge composting. Lang, Mark E., and Ronald A. Jager. Biocycle, 33(8): 76-80, 82-85. 1992.

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Biofiltration: An innovative control technology for emissions of V.O.C., air toxics and odors. Leson, G. Unpublished. 1991.

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Biofiltration: an innovative air pollution control technology for VOC emissions. Leson, G., and A.M. Winer. Proceedings of the 84th Annual Meeting & Exhibition of the Air & Waste Management Association, Vancouver, British Columbia. June 16-21, 1991.

Control of hazardous and toxic air emissions. Leson, G., F. Tabatabai, and A.M. Winer. Proceedings of the 85th Annual Meeting & Exhibition for the Air and Waste Management Association, Kansas City, Missouri. June 21-26, 1992.

Reductions in potential toxic and ROG emissions using air activated sludge as biofiltration. Martinez, C., M. Olden, C. McCalla, W.R. Hansen, and P.C. Katen. Proceedings of the 85th Annual Meeting & Exhibition of the Air and Waste Management Association, Kansas City, Missouri. June 21-26, 1992.

Development of biological filters using granular activated carbon as the packing material: Applications for treating gasoline vapor. Medina, V.F. Ph.D Dissertation proposal. Unpublished. 1992.

Final Report: Biological treatment of hydrocarbon contaminated air. Medina, V.F., D.S. Hodge, and J.S. Devinny. Prepared for the South Coast Air Quality Management District. Unpublished. 1991.

Treatment of Soil Vapor Extraction Off Gases by GAC Based Biological Filtration: Bench and Pilot Studies. Medina, V.F., T. Webster, M. Ramaratnam, D.S. Hodge, and J.S. Devinny. Scheduled for presentation at "Emerging Technologies for Hazardous Waste Management", American Chemical Society I&EC Division Special Symposium, Atlanta, Georgia. Sept 21-23, 1992.

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Modelling the fate of chlorinated phenols in wastewater treatment plants. Parker, W.J., J.P. Bell, and H. Melcer. Proceedings of the Water Environment Federation 65th Annual Conference & Exposition, New Orleans, Louisiana, pp. 337-348. Sept 20-24, 1992.

New developments in biofiltration. An effective air pollution control technology. Paul, P.G., and R. Kaufmann. Presented at the 22nd ACHEMA Exhibition-Congress, Frankfurt am Main, F.R.G. June 5-11, 1992.

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Biofiltration of high intensity odors from poultry rendering plants. Prokop, W.H., and N.R. Archer. Proceedings of the 85th Annual Meeting & Exhibition of the Air and Waste Management Association, Kansas City, Missouri. June 21-26, 1992.

Compost filters for H2S removal from anaerobic digestion and rendering exhausts. Rands, M.B., D.E. Cooper, C.-P. Woo, G.C. Fletcher, and K.A. Rolfe. Journal of the Water Pollution Control Federation, 53:185-189. 1981.

Air pollution costs may be reduced with biotechnology. RMT, Inc. Network, 6(1). 1991.

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Use of direct measurement and fate modeling to predict ROG emissions from WWTP's. Rumpf, M.I. Proceedings of the Water Environment Federation 65th Annual Conference & Exposition, New Orleans, Louisiana, pp. 313-324. Sept 20-24, 1992.

Biological treatment of hazardous wastes. Ryan, J.R., R. Kabrick, and R. Loehr. Civil Engineering, 58(2): 65-67. 1988.

Use of aeration tanks to control emissions from wastewater treatment plants. Ryckman-Siegwarth, J., and A.B. Pincince. Proceedings of the Water Environment Federation 65th Annual Conference & Exposition, New Orleans, Louisiana, pp. 83-94. Sept 20-24, 1992.

Technical and economical comparison of V.O.C. control techniques. Salemink, R. ClairTech vendor literature. Unpublished. 1991.

Control of VOC emissions from a POTW using a compost biofilter. Schroeder, E.D., S.J. Ergas, D.P.Y. Chang, and R. Morton. Proceedings of the Water Environment Federation 65th Annual Conference & Exposition, New Orleans, Louisiana, pp. 23-34. Sept 20-24, 1992.

Biofiltration of methanol vapor. Shareefdeen, Zarook, Basil C. Baltzis, Young-Sook Oh, and Richard Bartha. Prepared for the Hazardous Substance Management Research Center. Unpublished. 1993.

Biofilm reactors for treatment of gas streams containing chlorinated solvents in Environmental Engineering. Speitel, G.E. Jr., and D.S. McLay. Proceedings of the 1990 Specialty Conference, American Society of Civil Engineers, New York, NY. pp 366-373. 1990.

Biofilters minimize VOC emissions. Standefer, Scott and Chris Van Lith. Environmental Protection, 4(3): 48-58. 1993.

Kinetics of methane-oxidizing biofilms for degradation of toxic organics. Strand, S.E., R.M. Seamons, M.D. Bjelland, and H.D. Stensel. Water and Science Technology, 20(11/12): 167-173. 1988.

Removal of NH3 by a peat biofilter without and with nitrifier. Togashi, I., M. Suzuki, M. Hirai, M. Shoda, and H. Kubota. Journal of Fermentation Technology, 64(5):425-432. 1986.

Removal of Styrene from air using bench-scale biofilter and biotrickling filter reactors. Togna, A.P., and B.R. Folsom. Presented at the 85th Annual Meeting of the Air and Waste Management Association, Kansas City, Missouri. June 21-26, 1992.

Aerobic degradation of trichloroethylene by a new type II methane-utilizing bacterium, strain M. Uchiyama, Hiroo, Toshiaki Nakajima, Osami Yagi, and Takeshi Tabuchi. Agricultural and Biological Chemistry, 53(11): 2903-2907. 1989.

Trichloroethylene degradation by immobilized resting cells of Methylocystis sp. M in a gas-solid bioreactor. Uchiyama, Hiroo, Kazuhito Oguri, Osami Yagi, and Etsuo Kokufuta. Biotechnology Letters, 14(7): 619-622. 1992.

Bench-scale removal of odor and volatile organic compounds at a composting facility. Van Durme, Gayle P., Brian McNamara, and Charles M. McGinley. Water Environment Research, 64(1):19-27. 1992.

Removal of ROGs in a packed tower scrubber at Hyperion wastewater treatment plant. Van Durme, G.P., J.H. Clark, S.A. Rinnert, F. Mohamed, and D.E. Hans. Proceedings of the Water Environment Federation 65th Annual Conference & Exposition, New Orleans, Louisiana, pp. 3-14. Sept 20-24,1992.

Organic sulfur compounds: persistent odourants in the biological treatment of complex waste gases. Van Langenhove, H., B. Bendinger, R. Oberthur, and N. Schamp. Biotechniques for Air Pollution Abatement and Odour Control Policies, A.J. Dragt and J. van Ham(editors). Elsevier Science Publishers, Amsterdam, The Netherlands, p.177-182. 1992.

Elimination of hydrogen sulfide from odorous air by a wood bark biofilter. Van Langenhove, H., E. Wuyts, and N. Schamp. Water Research, 20(12):1471-1476. 1986.

Inibitory effects of SO2 on biofiltration of aldehydes. Van Langenhove, H., A. Lootens, and N. Scamp. Water, Air, and Soil Pollution, 47(1-2):81-86. 1989.

Design criteria for biofilters. Van Lith, C. Presented at the 82nd annual Meeting and Exhibition of the Air and Waste Management Association, Anaheim, CA. June 25-30, 1989.

Practical use of biofiltration. Van Lith, C. ClairTech vendor literature. Unpublished. 1990.

Case study: Application of biofiltration in the solvent using industry. Van Lith, C. ClairTech vendor information. Unpublished. 1991.

Biofiltration for the treatment of airstreams contaminated with jet fuel vapors. Venterea, R. and M. Findlay. Proceedings from the New England Environmental Exposition, Boston, MA. May 21-23,1991.

Odor control using biofilters, Part I. Williams, Todd O., and Frederick C. Miller. Biocycle, 33(10): 72, 74-77. 1992.

Biofilters and Facility Operations, Part II. Williams, Todd O., and Frederick C. Miller. Biocycle, 33(11):75-79. 1992.

Biotreatment of vapor phase chlorinated and non-chlorinated volatile organic compounds. Ziegenfuss, S. R. Williams, and W. Sisk. In Situ and On-site Bioreclamation, An international Symposium, San Diego, California. March 19-21, 1991.

Identification and Control of Industrial Odorous Emissions at a Municipal Wastewater Treatment Facility. Allen, E.R., H.U. Hartenstein and Y. Yang. Presented at the 80th Annual Meeting of APCA, New York, New York. June 21-26, 1987.

Control of Organo-Sulfur Compound Emissions Using Biofiltration-Methyl Mercaptan. Allen, Eric R. and Sharvari Phatak. Presented at the 86th Annual Meeting of the Air & Waste Management Association, Denver, CO. June 14-18, 1993.

Biofiltration: An Air Pollution Control Technology For Hydrogen Sulfide Emissions. Allen, Eric R. and Yonghua Yang. Industrial Environmental Chemistry, edited by D.T. Sawyer and A.E. Martell, Plenum Press, New York. 1992.

Biofiltration Control of Odorous Emissions in Wastewater Treatment Plants. Allen, Eric R. and Yonghua Yang. Presented at Symposium on Biotechnology for Wastewater Treatment-II, Division of Environmental Chemistry, 201st American Chemical Society National Meeting, Atlanta, GA. April 14-19, 1991.

Performance Evaluation of Biofilter at Dartmouth, Mass., Biosolids Composting Facility. Amirhor, P., G.A. Kuter and M.D. Andrade. Presented at the 67th Annual Conference & Exposition of the Water Environment Federation, Chicago, Illinois. Oct 15-19, 1994.

A Study on the Response of Biofilters to Shock-Loading. Baltzis, Basil C. and Helen Androutsopoulou. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

Modeling and Preliminary Design Criteria for Packed-Bed Biofilters. Baltzis, B.C. and Zarook Shareefdeen. Paper presented at the 86th Annual Meeting of the Air & waste Management Association, Denver, CO. June 13-18, 1993.

Principles of Packed-Bed Biofilter Modeling and Design. Baltzis, B.C. and Z. Shareefdeen. Presented at the Mini-Symposium on "Bioscrubbing of Gaseous Emissions" at Rutgers University. Nov 18, 1992.

Biofiltration- A New Technology for VOC Emission Control. Bhat, Shrikant, Bill Frasch and Tracy Toltzman. Unpublished. 992.

Biofilter Control of VOCs. Bohn, Hinrich. Presented at the Annual Meeting of the Structural Board Association, Edmonton, Canada. Oct 1993.

Biofiltration: Design Principles and Pitfalls. Bohn, Hinrich L. Presented at the 86th Annual Meeting of the Air & Waste Management Association, Denver, CO. June 14-18, 1993.

Bioprocessing of Organic Gases in Waste Air. Bohn, Hinrich L. Presented at the Annual Symposium of the American Chemical Society, Denver. April 1993.

Hydrogen Sulfide Sorption by Soils. Bohn, Hinrich L., Fu-Yong and Huang-Chenghe. Soil Science Society of America Journal, 53: 1914-1917. 1989.

Evaluation of Biofilter Media for Treatment of Air Streams Containing VOC's. Brenner, R.C., G.A. Sorial, F.L. Smith, M.T. Suidan, P.J. Smith and P. Biswas. Proceedings of the 66th Annual Conference and Exposition of the Water Environment Federation, pp. 429-439. Oct 3-7, 1993.

Hydrogen Sulfide and Methyl Mercaptan Removals with Soil Columns. Carlson, Dale A. and Robert C. Gumerman. Presented at the Annual Purdue University Industrial Waste Conference. No further reference.

A Simple Test to Determine the Applicability of Biofiltration to Waste Gas Treatment. Chang, Shu-Fen, Mei-Hwa Chung and Sz-Chwun John Hwang. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24,1994.

Odor Control Using Biofilters A Composting Filter Survey. CH2M HILL and E&A Environmental Consultants, Inc. Unpublished Draft Report. 1993.

Residuals Management Facility, Building Ventilation and Odor Control Design Concepts. CH2M HILL. Technical Memorandum No.5, Unpublished Company Literature. 1993.

A Biological Air Treatment System Based upon the use of a Structured Carbon Biomass Support. DeFilippi, Louis J., Mark B. Koch, Constance M. Voellinger, Daniel Winstead and F. Stephen Lupton. Presented at the IGT Symposium on Gas, Oil and Environmental Biotechnology, Colorado Springs, CO. Nov29-Dec3 1993.

Technology of Trickling Filters. Diks, R.M.M. and S.P.P. Ottengraf. Presented at the Biological Waste Gas Cleaning International Symposium, VDI BERICHTE NR. 1104: 19-37. March 9-11, 1994.

Reductive Dechlorination of Trichloroethylene and Tetrachloroethylene under Aerobic Conditions in a Sediment Column. Enzien, Michael V., Flynn Picardal, Terry C. Hazen, R.G. Arnold, and Carl B. Fliermans. Applied and Environmental Microbiology, 60: 2200-2203. 1994.

Modeling and Characterization of a Compost Biofiltration System Degrading Dichloromethane. Ergas, Sarina J., Kerry Kinny, Mark E. Fuller and Kate M. Scow. Unpublished. 1994.

Spatial Distribution of Microbial Populations in Biofilters. Ergas, Sarina J., Edward D. Schroeder, Daniel P.Y. Chang and Kate Scow. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association. June 19-24, 1994.

Odor Emissions and Odor Control at Wastewater Treatment Plants in West Germany. Frechen, F.B.. Unpublished.

Reduction of Odorous Emissions from a Hazardous Waste Landfill Using Biofiltration and Other Techniques. Frechen, F.B. and J.T. Kettern. Presented at the 80th Annual Meeting of APCA, New York. June 21-26, 1987.

Envirex Biofilter Process and Mechanical Description. Furstenberg, John. Unpublished company literature.

Biological Treatment of Volatile Organic Carbons from the Food and Drink Industry. Gibson, N.B., R.P.J. Swannell, M. Woodfield, J.W. van Groenestijn, R.B.M. van Kessel, J.H. Wolsink and P.G.M. Hesselink. Presented at the Biological Waste Gas Cleaning International Symposium, VDI BERICHTE NR. 1104: 261-272. March 9-11, 1994.

Microbiological Aspects of Biological Waste Gas Cleaning. Hartmans, S.. Presented at the Biological Waste Gas Cleaning International Symposium, VDI BERICHTE NR. 1104: 1-12. March 9-11, 1994.

Biofiltration Technology. Heslinga, D.C.. Presented at the Biological Waste Gas Cleaning International Symposium, VDI BERICHTE NR. 1104: 13-18. March 9-11, 1994

Biofilters Provide New Options to control Air Emissions. Heuckeroth, Roger. The National Environmental Journal, Dec: 20-22. Dec 1993.

White Paper: Biofiltration For Air Pollution Control. Institute of Clean Air Companies, Inc. Prepared by Biofiltration White Paper Committee, September. unpublished. Sept 1993.

Biofilter Design and Performance Evaluation. Jager, R.A., M.E. Lang, K.J. Saltmarsh. Proceedings of the 66th Annual Conference and Exposition of the Water Environment Federation, pp.481-491. Oct 3-7, 1993.

Biofiltration Control of Volatile Hydrocarbon Emissions: n-Butane. Kardono and E.R. Allen. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

Bench-Scale Evaluation of Air Pollution Control Technology Based on Biological Treatment Process. Kamarthi, Rajasekar and Ray T. Willingham. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

Biological Purification of Waste Gases by Means of Immobilised Bacteria(Monocultures). Kirchner, K., S. Wagner, and H.J. Rehm. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

Biological Odor Removal Towers. Lee, Donald R.. Presented at the 5th International Pollution Engineering Exposition and Congress, Anaheim, CA. Nov 9-11, 1976.

Engineered Biofilter for Removing Organic Contaminants in Air. Liu, P.K.T., R.L. Gregg, H.K. Sabol and Naomi Barkley. Journal of Air & Waste Management Association, 44: 299-303. 1994.

Biofiltration of Gasoline Vapors: Effects of Direct Water Addition. Medina, Victor F., Todd S. Webster and Joseph Devinny. Under review by Environmental Technology. 1994.

A Pilot Scale Study of Compost Reactors for Treating Odorous Air Streams at the Metropolitan Wastewater Treatment Plant. Metropolitan Waste Control Commission. Unpublished case study. 1989.

Overcamp, Thomas J., hsien-cheng Chang and C.P. Leslie Grady Jr.. Journal of the Air & Waste Management Association, 3: 753-759. 1993.

Full Scale Biofilter Demonstration Project for the Control of Ethanol Emissions from an Investment Foundry. RMT, INC.. Unpublished case study. 1993.

Biofiltration of BTEX-Contaminated Streams; Laboratory Studies. Seed, Leonard P. and Richard L. Corsi. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

Biofiltration of BTEX in Soil Remediation Off-Gas. Seed, Leonard, Bruce Harper, Wayne Parker and Richard L. Corsi. Presented at the 3rd Annual Symposium on Groundwater & Soil Remediation. 1993.

Evaluation of the Performance of Trickle Bed Biofilters- Impact of Periodic Removal of Accumulated Biomass. Sorial, George A., Francis L. Smith, Makram T. Suidan, Pratim Biswas, and Richard C. Brenner. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

Pilot Soil Filter Study. Southeast Water Pollution Control Plant. Unpublished case study. 1992.

Biofilm Reactors For Treatment of Gas Streams Containing Chlorinated Solvents. Speitel, Gerald E. and David S. McLay. Presented at the 1990 ASCE Environmental Engineering Specialty Conference, Washington, D.C., Journal of Environmental Engineering, 119(4): 658-678. July 11-18, 1990.

Treatment of BTEX and Petroleum Hydrocarbon Vapors Using a Field-Pilot Biofilter. Togna, Paul A., George Skladany and James M. Caratura. Presented at the 49th Annual Purdue University Industrial Waste Conference. May 9-11, 1994.

Study of Biofiltration for Control of VOC and Toxics Emissions from Wastewater Treatment Plants. Torres, Edward M., Shabbir Basrai, Lisa Carlson, Richard Gosset, Vladmir Kogan, Joseph Devinny, Yi Mi, Todd Webster, and Boris Stolin. Presented at the 87th Annual Meeting & Exhibition of the Air & Waste Management Association, Cincinnati, Ohio. June 19-24, 1994.

The Control of Clogging in a Biotrickling Filter. Van Lith, C., S.P.P. Ottengraf and R.M.M. Diks. Presented at the Biological Waste Gas Cleaning International Symposium, VDI BERICHTE NR. 1104: 169-180. March 9-11, 1994.

Toluene degradation in a trickle bed reactor- Prevention of Clogging. Weber, F.J. and S. Hartmans. Presented at the Biological Waste Gas Cleaning International Symposium, VDI BERICHTE NR. 1104: 161-168. March 9-11, 1994.

Long-term Odor and VOC Performance Tests on Biofilters. Wolstenholme, P. and R. Finger. Presented at the 67th Annual Conference & Exposition of the Water Environment Federation, Chicago, Illinois. Oct 15-19, 1994.

Biofiltration Update and VOC Control Alternatives. Wu, W.. Mobil Chemical Interoffice Correspondence. 1994.

Biodegradation Rate of Chloroethylene in Soil Environment. Yagi, O., H. Uchiyama and K. Iwasaki. Journal of Water Science Technology, 25(11): 419-424. 1992.

Studies On the Deodorizing Function of Soil Layers. Yahata, Toshio, Kaza Fujisawa and Hisayoshi Moriwaki. Unpublished.

Biofiltration Control of Hydrogen Sulfide 1. Design and Operational Parameters. Yang, Yonghua and Eric R. Allen. Journal of the Air & Waste Management Association, 44: 863-868. 1994.