Search Results for the EPA National Library Catalog

Items Found: 2415
Showing: Items 51 - 100
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Select Item Title Year Published
Air Quality Data for 1968, from the National Air Surveillance Networks and Contributing State and Local Networks. 1972
Air Quality Data for Non-Criteria Pollutants - 1957 through 1970. 1977
Air quality data for nonmetallic inorganic ions 1971 through 1974 from the national air surveillance networks / 1977
Air quality data for nonmetallic inorganic ions : NH4+, NO3-, SO4=, 1976, from the National Air Surveillance Networks / 1979
Air quality data for nonmetallic inorganic ions : nh4+, n03-, s04= - 1975 - from the national air surveillance networks. 1978
Air quality data for nonmetallic inorganic ions, 1969 and 1970, from the National Air Surveillance Networks. 1973
Air Quality Data for Nonmetallic Inorganic Ions: Nitrate and Sulfate for 1977 and 1978 from the National Air Surveillance Networks. 1981
Air Quality Data for Nonmetallic Inorganic Ions: Nitrate and Sulfate for 1979 from the National Air Surveillance Networks. 1983
Air toxics technical assistance for the state of Alaska final report / 1987
Albert Lea Lake, Freeborn County, Minnesota. 1974
Algae-Bacteria Interaction in a Light-Dark Cycle (Journal Version). 1981
Algal nutrient availability and limitation in Lake Ontario during IFYGL : part I : available phosphorus in urban runoff and Lake Ontario tributary waters / 1976
Algal nutrient availability and limitation in Lake Ontario during IFYGL : Part II. Nitrogen available in Lake Ontario tributary water samples and urban runoff from Madison, Wisconsin / 1977
Algal Nutrient Availability and Limitation in Lake Ontario During IFYGL. Appendices to Part I. Available Phosphorus in Urban Runoff and Lake Ontario Tributary Waters. 1976
Algal-Available Phosphorus in Suspended Sediments from Lower Great Lakes Tributaries. 1981
Alkaline Scrubbing of In-Situ Oil Shale Retort Offgas at Geokinetics. 1985
Alkalinity Regulation in Softwater Florida Lakes. 1988
Allegheny Reservoir, McKean and Warren Counties, Pennsylvania and Cattaraugus County, New York. 1975
Alligator Lake, Columbia County, Florida. 1977
Alsterberg (AZID) Modification of the Winkler Method for the Determination of the BOD of Incinerator Quench Water and the Calibration of the Weston and Stack DO Analyzer Model 300-B. 1970
Alternatives for hazardous waste management in the inorganic chemicals industry. 1977
Alternatives for Hazardous Waste Management in the Inorganic Chemicals Industry. 1977
Altoona Lake, Eau Claire County, Wisconsin. 1974
Aluminum Phosphide: Pesticide Registration Standard. 1981
Ambient aquatic life water quality criteria for lead / 1985
Ambient Measurement Methods and Properties of the 189 Clean Air Act Hazardous Air Pollutants. 1994
Ambient toxicity testing in Chesapeake Bay : year 5 report / 1998
Ambient toxicity testing in Chesapeake Bay : year 6 report / 1998
Ambient toxicity testing in Chesapeake Bay : year 7 report / 2000
Ambient water quality criteria for arsenic / 1980
Ambient water quality criteria for beryllium / 1980
Ambient water quality criteria for cadmium / 1980
Ambient water quality criteria for lead / 1980
Ambient water quality criteria for selenium / 1980
Ambient water quality criteria for silver / 1980
Ambient water quality criteria for thallium / 1980
Ambient Water Quality Criteria: Arsenic. 1978
Ambient Water Quality Criteria: Beryllium. 1978
Ambient Water Quality Criteria: Cadmium. 1978
Ambient Water Quality Criteria: Lead. 1978
Ambient Water Quality Criteria: Selenium. 1978
Ambient Water Quality Criteria: Silver. 1978
Ambient Water Quality Criteria: Thallium. 1978
Ammonia health effects {Microfiche} 1981
An approach for the preliminary assessment of TSP concentrations / 1978
An assessment of the CHESS sulfate and nitrate data during the period RETA performed the chemical analysis / 1977
An investigation of ion removal from water and wastewater / 1973
An investigation of the nearshore region of Lake Ontario IFYGL. 1976
An ion-exchange process for recovery of chromate from pigment manufacturing / 1974
Anaerobic and aerobic treatment of combined potato processing and municipal wastes / 1976
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