Search Results for the EPA National Library Catalog

Items Found: 872
Showing: Items 751 - 800
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Status of Pacific salmon and their role in North Pacific marine ecosystems 2007
Status of Snake River sockeye salmon : final report for Pacific Northwest Utilities Conference Committee / 1990
Status of Wading Bird Populations of the Hillsborough River Watershed. 2003
Status of walleye in the Great Lakes : proceedings of the 2006 symposium / 2010
Status report on the development of draft MCLGs for disinfectants and by-products. 1992
Status review of chinook salmon from Washington, Idaho, Oregon, and California 1998
Stem cells of renewing cell populations : proceedings of a symposium held in October 1975 at McGill University, Montreal, in tribute to C. P. Leblond on the occasion of his sixty-fifth birthday 1976
Stochastic abundance models, with emphasis on biological communities and species diversity / 1978
Stochasticity in Stream Fish Communities: An Alternative Interpretation. 1984
Stock assessment and biological characteristics of burbot in Fielding Lake during 1994 / 1995
Stock assessment and biological characteristics of burbot in Fielding Lake, Round and Upper Tangle lakes during 1993 / 1994
Stock assessment for brown, white and pink shrimp in the U.S. Gulf of Mexico, 1960-1987 / 1989
Stream Fish Communities Revisited: A Case of Mistaken Identity. 1986
Stream fisheries investigations 1986
Stream fisheries investigations 1993
Stream fisheries investigations : federal aid study F-51 / 1985
Stream fisheries investigations : federal aid study F-51. 1984
Stream fisheries investigations, Federal Aid Project F-51-R : Job. no. 3, special regulations evaluations / 1987
Stream survey of District I, W. Va. / 1964
Structure of littoral insect communities in a limiting environment, oil refinery effluent holding ponds. 1964
Structured-population models in marine, terrestrial, and freshwater systems / 1997
Studies of ingestion dose pathways from the nuclear fuel services fuel reprocessing plant / 1974
Studies of populations of adults and immature insects and mites from two treatments at Cottonwood, South Dakota / 1971
Study of Air Pollution Around the Nitrogen Fertilizer Plant Near Stara Zagora and its Effect on the Health of the Population (Prouchsvane Zamursyavaneto na Atmosferniya Vuzdukh v Rayona na Azotnotoroviya Zavod krai Stara Zagora i Vliyanieto mu Vurkhu Zdraveto na Naselenieto). 1971
Study of marine recreational fisheries in Connecticut, 1984-1988. 1990
Study of the Social and Economic Effects of Changes in Air Quality. 1971
Sublethal Narcosis and Population Persistence: A Modeling Study on Growth Effects. 1993
Suburban America: Population Dynamics as Related to Water Resources Planning. 1973
Summary of fish habitat/water quality since the Silver fire of 1987 / 1996
Summary of Projections, Economic Activity in the Southeastern States, Series E, Population. 1976
Summary of public comments on the draft environmental impact statement for grizzly bear recovery in the Bitterroot ecosystem. 1998
Summary Population Projections for Standard Metropolitan Statistical Areas (SMSAs) Extracted from the OBERS Series 'E' Population Projections. 1974
Summary Report of the U.S. EPA Workshop on: Challenges to Integrating Immunotoxicological and Microbial Risk Assessment for Susceptible Populations and Life Stages. 2008
Summary report on initial small-herbivorous-mammal modeling efforts, Pawnee Site, Grasslands Biome / 1970
Support document for designation of the Lewiston Basin Aquifer as a sole source aquifer 1988
Support document for designation of the Newberg area aquifer as a sole source aquifer. 1987
Survey and evaluation of techniques used in testing chemical substances for teratogenic effects : final report / 1977
Survey designs and statistical methods for the estimation of avian population trends 1990
Survey of anadromous fish spawning areas : progress report, project AFC-9-2, January 1976-January 1977 for Chester River Drainage study / 1977
Survey of anadromous fish spawning areas : segment report, project AFC-9-{1} January 1975-January 1976 for Chester River drainage (Kent County portion) / 1976
Survey of anadromous fish spawning areas completion report, project AFC-8, July 1970-January 1975 for Potomac River drainage, Upper Chesapeake Bay drainage / 1975
Survey of Attitudes Towards the Mississippi River as a Total Resource in Minnesota. 1972
Survey of operating and financial characteristics of community water systems / 1977
Symposium on Salmon and Trout in Streams {papers} 1969
Synthesis and evaluation of avian populations and habitat data for West Virginia 1981
Systematic, Quantitative, and Ecological Comparison of 'Melosira islandica' O. Muell with M. granulata' (EHR.) Ralfs from the Laurentian Great Lakes. 1981
Technical manual for basic version of the Markov chain nest productivity model (MCnest) / 2013
Technical Papers, 11-13, Volume 21 1968
Technical papers, no. 18-22. 1969
Technical support document for sewage sludge incineration / 1992
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