Search Results for the EPA National Library Catalog

Items Found: 4639
Showing: Items 201 - 250
Your Search: (SUBJECT=biological)


 
 
 
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 93 NEXT
Select Item Title Year Published
Ambient water quality criteria document addendum for ethylbenzene, (draft report final) / 1989
Ambient water quality criteria document addendum for fluoranthene, (draft report final) / 1990
Ambient water quality criteria document addendum for haloethers, (draft report final) / 1989
Ambient water quality criteria document addendum for hexachlorobutadiene / 1989
Ambient water quality criteria document addendum for hexachlorocyclopentadiene / 1989
Ambient water quality criteria document addendum for nitrophenols / 1989
Ambient water quality criteria document addendum for phenol, (draft final report) / 1989
Ambient water quality criteria document addendum for phthalate esters, (draft final report) / 1989
Ambient water quality criteria document addendum for toxaphene / 1989
Ambient Water Quality Criteria Document: Addendum for 2,4-Dichlorophenol. 1989
Ambient Water Quality Criteria Document: Addendum for Carbon Tetrachloride. 1989
Ambient Water Quality Criteria Document: Addendum for Chlordane. 1989
Ambient Water Quality Criteria Document: Addendum for Heptachlor. 1989
Ambient Water Quality Criteria Document: Addendum for Nitrosamines. 1989
Amendment to the best demonstrated available technology (BDAT) background document for F006 / 1988
America's least wanted : alien species invasions of U.S. ecosystems / 1996
American anthrax : fear, crime, and the investigation of the nation's deadliest bioterror attack / 2011
American Arbacia and other sea urchins. 1956
American-Soviet Symposium on the Biological Effects of Pollution on Marine Organisms (1st). 1978
Ames bioassay of exhaust soluble organic emissions / 1984
Amphibian toxicity data for water quality criteria chemicals / 1996
Amphibian toxicity data for water quality criteria chemicals / 1996
An analysis of the EPA chemical use classification system and the OTS exposure estimation methodogy / 1979
An assessment of sediments from the Upper Mississippi River : final report - June 1997. 1997
An assessment of the macroinvertebrate communities of the Indian Creek Watershed, Tazewell County, Virginia / 2003
An assessment of the PCB and dioxin background in Washington freshwater fish, with recommendations for prioritizing 303(d) listings / 2010
An atlas of biodiversity : Chicago wilderness, a regional nature reserve / 1997
An ecological and evolutionary ethic 1974
An enclosed aquatic multispecies test system for testing microbial pest control agents with non-target species / 1989
An enclosed aquatic multispecies test system for testing microbial pest control agents with non-target species / 1989
An enclosed aquatic multispecies test system for testing microbial pest control agents with non-target species / 1989
An estimate of the potential costs of guidelines limiting public exposure to radiofrequency radiation from broadcast sources / 1985
An evaluation of filter feeding fishes for removing excessive nutrients and algae from wastewater / 1983
An evaluation of filter feeding fishes for removing excessive nutrients and algae from wastewater / 1983
An Evaluation of the approach for assessing risks to the benthic invertebrate community at the Portland Harbor Superfund site : preliminary draft / 2008
An evaluation of the National Eutrophication Survey data, 1977
An index of refractory organics / 1977
An introduction to environmental biophysics / 1977
An introduction to Mid-Atlantic seasonal pools / 2005
An introduction to systems biology : design principles of biological circuits / 2007
An SAB report : review of drinking water health criteria document : review of the Office of Drinking Water's health criteria document on chlorinated acids/alcohols/aldehydes/ketones / 1991
An SAB report : review of synoptic national assessment of comparative risks to biological diversity and landscapes types / 1992
An SAB report : review of the agency's draft ecological risk assessment guidelines / 1997
An SAB report : review of the health risks from low-level environmental exposures to radionuclides (FGR-13 report) / 1998
An SAB report : technical review of the proposed TSCA section 403 regulation (identification of dangerous levels of lead) / 1998
An SAB report : the cumulative exposure project / 1996
An SAB report review of drinking water health criteria document. [electronic resource] : 1992
Anaerobic and Aerobic Treatment of Chlorinated, Aliphatic Compounds. 1993
Anaerobic Biodegradation of Nitrogen-Substituted and Sulfonated Benzene Aquifer Contaminants. 1989
Anaerobic Biodegradation of o-, m- and p-cresol by Sulfate-Reducing Bacterial Enrichment Cultures Obtained from a Shallow Anoxic Aquifer. 1989
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 93 NEXT

Save, Print or Email Selected Records