Search Results for the EPA National Library Catalog

Items Found: 968
Showing: Items 251 - 300
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Select Item Title Year Published
Biology of the Percids. 1977
Biology of water pollution : a collection of selected papers on stream pollution, waste water, and water treatment / 1967
Bioluminescent Sensors for Detection of Bioavailable Hg(II) in the Environment. 1994
Bioremediation of chlorinated solvent contaminated groundwater / 1998
Biota of Freshwater Ecosystems. Identification Manual No. 2. The Genus 'Argulus' (Crustacea: Branchiura) of the United States. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 3. Freshwater Sphaeriacean Clams (Mollusca: Pelecypoda) of North America. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 4. Freshwater Polychaetes (Annelida) of North America. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 5. The Freshwater Amphipod Crustaceans (Gammaridae) of North America. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 6. Aquatic Dryopoid Beetles (Coleoptera) of the United States. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 7. Freshwater Isopods (Asellidae) of North America. 1972
Breakdown and restoration of ecosystems {proceedings of the Conference on the Rehabilitation of Severely Damaged Land and Freshwater Ecosystems in Temperate Zones, held in Reykjavik, Iceland, July 4-11, 1976 / 1978
Brush Lake, McLean County, North Dakota. 1976
Cadmium and Zinc Toxicity to 'Jordanella floridae'. 1975
Cadmium and zinc toxicity to Jordanella floridae / 1976
California inland surface waters plan : water quality control plan for inland surface waters of California : adopted and effective April 11, 1991. 1991
Capture Locations of Rare Fish in the Upper Colorado River System. 1978
Causes of Papillomas on Fish Living in Chlorinated Sewage Effluent. 1982
Changes in Water Environment Resulting from Aquatic Plant Control. 1970
Characteristics of benthic algal communities in the upper Great Lakes / 1980
Characteristics of fish populations in upper Mississippi River backwater areas / 1965
Chemical forest fire retardants acute toxicity to five freshwater fishes and a scud / 1977
Chena River, The Study of a Subarctic Stream. 1970
Chesapeake Bay American eel fishery management plan : Chesapeake Bay Program : agreement commitment report 1991. 1992
Chironomiden und andere Bodentiere der sèudschwedischen Urgebirgsseen : ein Beitrag zur Kenntnis der bodenfaunistischen Charakterzèuge schwedischer oligotropher Seen / 1949
Chlorinated benzenes : ambient water quality criteria / 1978
Chlorinated ethanes : ambient water quality criteria. 1979
Chlorinated phenols : ambient water quality criteria. 1978
Chlorine effects on aquatic organisms : evaluation of selected toxicity models / 1984
Chloroalkyl ethers : ambient water quality criteria. 1979
Chromium : ambient water quality criteria. 1979
Chronic Effect of Copper on the Bluntnose Minnow, 'Pimephales notatus' (Rafinesque). 1978
Chronic Effects of Cadmium and Zinc Mixtures on Flagfish (Jordanella floridae). 1978
Chronic toxicity of hexavalent chromium to the fathead minnow (Pimephales promelas) / 1980
Cichlid fishes of the great lakes of Africa: their biology and evolution, 1972
Cold climate oil spills : a terrestrial and freshwater research review / 1981
Coliform Bacteria Growth and Control in Aerated Stabilization Basins. 1973
Comparative analyses of fish populations in naturally acidic and circumneutral lakes in northern Wisconsin / 1984
Comparative Kinetic Studies of Nitrate-Limited Growth and Nitrate Uptake in Phytoplankton in Continuous Culture. 1981
Comparative Study of Standing Crops and of Phosphorus and Nitrogen Contents of Four Macrophyte Stream Communities. 1971
Comparative Toxicity of Polyelectrolytes to Selected Aquatic Animals. 1976
Comparative toxicity of sewage-effluent disinfection to freshwater aquatic life / 1975
Comparison of Created and Natural Freshwater Emergent Wetlands in Connecticut (USA). 1992
Comparison of Energy Flow Parameters of Midge Populations in Biological Oxidation Ponds (Effect of Phenol on Oxygen Uptake Rate of a Laboratory Population of Chironomus Attenuatus Walk.) 1,2). 1971
Comparison of Laboratory and Field Avoidance Behavior of Fish in Heated Chlorinated Water. 1981
Comparison of Ozone and Chlorine Toxicity to the Developmental Stages of Striped Bass, 'Morone saxatilis'. 1981
Compendium of Chemical, Physical and Biological Methods for Assessing and Monitoring the Remediation of Contaminated Sediment Sites. 2003
Compendium of Lake and Reservoir Data Collected by the National Eutrophication Survey in the Central United States. 1978
Composition and Distribution of the Fish Fauna of the Navasota River. 1972
Comprehensive Analysis of the Sediments Retained Behind Hydroelectric Dams of the Lower Susquehanna River. 2006
Conjugal Transfer of R68.45 and FP5 between 'Pseudomonas aeruginosa' Strains in a Freshwater Environment. 1988
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