Search Results for the EPA National Library Catalog

Items Found: 1223
Showing: Items 201 - 250
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Characterization of "brown tides" and other bloom-forming picoalgae : and their interactive effects on phytoplankton / 1990
Characterization of Spatial and Temporal Trends in Water Quality in Puget Sound. 1988
Checklist of benthic marine algae of the tropical and subtropical western Atlantic : first revision / 1998
Chemical and microbiological investigations of a surface coal mine settling pond / 1979
Chemical, Physical and Biological Dynamics of Northern Prairie Lakes. 1970
Chemistry and enzymology of marine algal polysaccharides 1967
Chesapeake Bay : introduction to an ecosystem. 1982
Chlorinated hydrocarbons in the Lake Ontario ecosystem (IFYGL) / 1975
Choices for the Chesapeake: An Action Agenda. 1983 Chesapeake Bay Conference Report. 1984
Chronic Toxicity of 3,4-dichloroaniline to Algae, Invertebrates and Fish in Outdoor Ponds with Cover Letter dated 103086. 2000
City of Spokane Combined Sewer Overflow Abatement Project. 1979
Cladophora distribution in Lake Ontario (IFYGL) / 1974
Cladophora in the Great Lakes 1974
Cladophora investigations, 1959 : a report of observation on the nature and control of excessive growth of Cladophora sp. in Lake Ontario / 1959
Cladophora investigations, 1962; a report of observations on the nature and control of excessive growth of Cladophora Sp. in Lake Ontario and Lake Erie / 1962
Clark Fork-Pend Oreille Basin water quality study : a summary of findings and a management plan / 1993
Classification and Nomenclature of Viruses of Cyanobacteria. 1983
Clean Lakes Program guidance manual. 1980
Clean water report for southwestern Wyoming : final technical report / 1978
Coastal communications : Ocean Response Coastal Analysis System (ORCA) ORD/NRL/NMOC/URI/U Cal-Santa Cruz/WetLabs, Inc./SubChem Systems, Inc. / 2001
Collected Papers Regarding Nitrates in Agricultural Waste Water. 1969
Comments and Information on Calcium Naphthenate with Cover Letter dated 092783 (summary of Reports Preformed on Calcium Napthenate Products). 1983
Common seaweeds of the Gulf of California = Algas comunes del Golfo de California / 2005
Community structure, nutrient dynamics, and the degradation of diethyl phthalate in aquatic laboratory microcosms 1982
Comparison of Effluent Toxicity Results Using 'Ceriodaphnia dubia' Cultured on Several Diets. 1993
Comparison of Microbial Bioassays for the Detection of Aquatic Toxicants. 1983
Comparison of Rain-Related Phosphorus and Nitrogen Loading from Urban, Wetland, and Agricultural Sources. 1981
Comparison of random and systematic site selection for assessing attainment of aquatic life uses in segments of the Ohio River / 2006
Comparison of some new and old indices and measurements of trophic state / 1979
Comparison of the EC50s of Algal Toxicity Tests Calculated by Four Methods. 1987
Comparison of the Toxicity of Sodium Trifluoroacetate, Difluoroacetic Acid, Sodium Monofluoroacetate & Sodium Fluoride to the Alga with Cover Letter Dated 05/12/1995. 1995
Comparison of the Toxicity of Sodium Trifluoroacetate, Sodium Difluoroacetate, Sodium Monofluoroacetate and Sodium Fluoride to the Alga with Cover Letter Dated 05/12/1995. 1995
Comparison of toxicity to terrestrial plants with algal growth inhibition by herbicides / 1984
Compilation of Common Algal Control and Management Techniques. 1980
Comprehensive list of Chesapeake Bay Basin species 1998 1998
Compreshensive List of Chesapeake Bay Basin Species, 2007. 2007
Computer Simulation of Eutrophication. 1973
Concepts and approaches for the bioassessment of non-wadeable streams and rivers / 2006
Concurrent Growth of Bacteria and Algae in a Closed Vessel. 1972
Conspectus of the benthic marine algae of the Gulf of California : Rhodophyta, Phaeophyceae, and Chlorophyta / 2017
Contribution of Marine Algae to Trihalomethane Production in Chlorinated Estuarine Water. 1979
Copper susceptibility of three growth stages of the green alga haematococcus : completion report / 1983
Correlated Studies of Vancouver Lake - Water Quality Prediction Study. 1972
Cretaceous Ponds, a Unique Area on Staten Island, New York. 1976
Criteria for Estimating Limiting Nutrients in Natural Streams. 1973
Criteria for Recognition of Estuarine Water Pollution by Aerial Remote Sensing. 1970
Critical Review of Currently Available Water Quality Models. 1973
Critical Test of Methods for Isolation of Viruses for Use in Control of Nuisance Algae. 1973
Culture collection of Algae and Protozoa: list of strains. 1966
Culturing of algae; a symposium. 1950
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