Search Results for the EPA National Library Catalog

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Regulation of Sperm Nuclear Reactivation during Fertilization. 1989
Relationship between Cell Surface Properties and Transport of Bacteria through Soil. 1991
Relative Sensitivity of Six Estuarine Fishes to Carbophenothion, Chlorpyrifos, and Fenvalerate. 1985
Reliable, Efficient, Microinjection Apparatus and Methodology for the In vivo Exposure of Rainbow Trout and Salmon Embryos to Chemical Carcinogens. 1985
Reply to 'Selective Development Toxicity: Misuse of the Concept via Mis-Application of a Mis-Defined 'A/D Ratio'. (Letter to the Editor). 1992
Report on Vitellogenin Gene Expression in Fathead Minnows and Pearl Dace from Reference (Non-Dosed) and Lakes Dosed with EE2 in the Canadian Experimental Lakes Area. 2004
Report to Congress on the endangered species protection program as it relates to pesticide regulatory activities / 1991
Reregistration Eligibility Decision for Acephate. 2001
Research and assessment needs for pallid sturgeon recovery in the Missouri River : proceedings of a conference held on May 18-20, 2004 / 2004
Research in Water Supply and Water Pollution at the Robert A. Taft Sanitary Engineering Center. 1959
Research Plan for Pilot Studies of the Biodiversity Research Consortium. 1993
Response of Carex-dominated wetlands to altered temperature and flooding patterns : Wisconsin Power Plant impact study / 1983
Response of Estuarine Diatom Assemblages to Ultraviolet-B Radiation (290-320 nm). 1985
Response of Peritrichous Ciliates in Fouling Communities to Seawater-Accommodated Hydrocarbons. 1982
Responses of Macrobenthos Colonizing Estuarine Sediments Contaminated with Drilling Mud Containing Diesel Oil. 1985
Restoration of the Salmon River salt marshes : retrospect and prospect / 1990
Restoring America's wildlife, 1937-1987 : the first 50 years of the Federal Aid in Wildlife Restoration (Pittman-Robertson) Act / 1987
Restoring wild salmon to the Pacific Northwest : chasing an illusion? / 2000
Return of the kings : strategies for the long-term conservation and recovery of the chinook salmon : King County's response report to the proposed Engdangered Species Act listing / 1999
Review and evaluation of available techniques for determining persistence and routes of degradation of chemical substances in the environment / 1975
Review of single species toxicity tests : are the test reliable predictors of aquatic ecosystem community responses? / 1999
Reviews of Current Literature on Analytical Methodology and Quality Control No. 19. 1973
Reviews of Current Literature on Analytical Methodology and Quality Control. No. 18. 1973
Rhode Island Water Resources Research Program, Annual Report (7th). 1971
Right to exist : a report on our endangered wildlife. 1970
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incineration Facility (East Liverpool, Ohio). Volume 6. Screening Ecological Risk Assessment. 1997
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incinerator Facility (East Liverpool, Ohio). Volume 6. Screening Ecological Risk Assessment (SERA). 1995
River Road, New Castle Marsh Restoration Recommendations. 2010
Routed Vascular Beds in the Albemarle-Pamlico Estuarine System. 1994
Salmon nation : people, fish, and our common home / 2003
Sampler of Arizona's threatened & endangered wildlife 1997
Sampling Protocols for Collecting Surface Water, Bed Sediment, Bivalves, and Fish for Priority Pollutant Analysis. 1982
San Juan Resource Management Plan, Proposed Resource Management Plan, Final Environmental Impact Statement, Volume 1 and Volume 2 1987
San Miguel Headwaters-Valley Floor, Scientific Analysis, Synthesis, and Recommendations (Volume 1) 2002
Sanitary Significance of Fecal Coliforms in the Environment. 1966
Sanitary Significance of Fecal Coliforms in the Environment. 1966
Save our species : endangered species : coloring book. 1991
Save our species : endangered species coloring book. 2008
Save our species : endangered species picture book. 2001
Save our species : especies amenazadas libro de actividades. 1995
Save our species : protecting endangered species from pesticides. 1994
Saving a place : endangered species in the 21st century / 2000
Saving endangered species. 1984
Science and the Endangered Species Act 1995
Science in Action: Changes in Tree Species in Riparian Zones of Urban Streams May Have Effects on Restoration and Storm Water Control Efforts. 2011
Scientific Problems in Using Multispecies Toxicity Tests for Regulatory Purposes. 1984
Scientific rationale for the selection of toxicity testing methods : teratology, immunotoxicology, and inhalation toxicology / 1985
Section 74 seafood processing study : executive summary. Appendix, volume II : a report to the congress of the United States / 1980
Selected life history attributes of some North American endemic and introduced species of fishes / 1986
Selected vertebrate endangered species of the seacoast of the United States / 1980
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