Search Results for the EPA National Library Catalog

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On volcanic and other particulate turbidity anomalies 1972
Operational control procedures for the activated sludge process / 1973
Optical Heterogeneity in Green Bay. 1987
Oregon watersheds : many activities contribute to increased turbidity during large storms : report to congressional requesters / 1998
Organics, Polymers, and Performance in Direct Filtration. 1987
Origin, Effects and Control of Turbidity in an Urban Recreational Lake. 1973
Package Plants for Small Water Supplies: The U.S. Experience. 1994
Package water treatment plants : vol. I - a performance evaluation / 1980
Package water treatment plants. 1980
Papermill wastewater treatment by microstraining / 1976
Particle Removal and Head Loss Development in Biological Filters. 1993
Performance characteristics of package water treatment plants / 1982
Persistence and detection of coliforms in turbid finished drinking water {microform} / 1982
Phosphate Removal from Waste Waters Using Lanthanum Precipitation. 1970
Photosynthetic Production in a Turbid Reservoir. 1971
Physical and Chemical Properties of the Coastal Waters of Georgia. 1973
Phytoplankton water quality relationships in U.S. lakes / 1979
Phytoplankton Water-Quality Relationships in U.S. Lakes. Part VIII: Algae Associated with or Responsible for Water-Quality Problems. 1980
Plume Development Using Lagrangian Marker Method. 1981
Polyelectrolytes Aids to Better Water Quality. 1972
Potable Water: New Directions in Microbial Regulations. 1986
Pre-Impoundment Water Quality Investigation for the Proposed Gathright Reservoir. 1973
Predicting the inactivation of giardia lamblia : a mathematical and statistical model / 1989
Prediction and control of dredged material dispersion around dredging and open-water pipeline disposal operations 1978
Preimpoundment Study of West Point Lake, Georgia. 1972
Preimpoundment Study, Carters Lake. 1972
Preliminary Evaluation of Potential Effects of Bathymetric Alterations of the Chesapeake and Delaware Canal on Striped Bass. 1992
Proceedings of Conference on Environmental Quality Sensors (2nd) Held at National Environmental Research Center, Las Vegas, Nevada on October 10-11, 1973. 1976
Proceedings of Mississippi Water Resources Conference, (6th), Held at Vicksburg, Miss. on 13-14 April, 1971. 1971
Proceedings of Seminar on Methodology for Monitoring the Marine Environment, Seattle, Washington, October 1973. 1974
Proceedings of the fifth symposium - Pacific Northwest on siltation - its sources and effects on the aquatic environment / 1959
Production of low-turbidity wastewater by precoat filtration : a thesis / 1975
Programmable Turbidistat for Suspended Particles in Laboratory Aquaria. 1983
Purification of waters discharged from Polish lignite mines / 1979
Red clay turbidity and its transport in Lake Superior 1975
Red clay turbidity and its transport in Lake Superior / 1979
Regulatory Impact Analysis: Benefits and Costs of Final Surface Water Treatment Rule. 1989
Relationship Among Turbidity, Particle Counts and Bacteriological Quality Within Water Distribution Lines. 1986
Relationship between visibility and atmospheric turbidity at Raleigh, North Carolina / 1981
Relationships of Phosphorus and Nitrogen to the Trophic State of Northeast and North-Central Lakes and Reservoirs. 1974
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / 1978
Remote Sensing in Sampling Site Location in Lakes and Streams. 1974
Remote Sensing of Particulate Concentrations in Water. 1980
Remote Sensing Report, San Francisco Bay Area, April-July 1972. Volume 2. 1973
Removal of Beryllium from Drinking Water by Chemical Coagulation and Lime Softening. 1992
Removal of Cryptosporidium and Giardia through conventional water treatment and direct filtration / 1997
Removal of Giardia lamblia cysts by drinking water treatment plants / 1984
Removing 'Giardia' Cysts from Low Turbidity Waters by Rapid Rate Filtration. 1986
Report on Androscoggin River, New Hampshire-Maine. 1962
Report on fishes, with special reference to anadromous species, taken in sampling during and after hydraulic dredging in the vicinity of Wilmington Marine Terminal during April through June 1976 1976
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