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Search Results for the EPA National Library Catalog
Items Found: 4639
Showing: Items 201 - 250
Your Search: (SUBJECT=biological)
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Year Published
201
Ambient water quality criteria document addendum for ethylbenzene, (draft report final) /
1989
202
Ambient water quality criteria document addendum for fluoranthene, (draft report final) /
1990
203
Ambient water quality criteria document addendum for haloethers, (draft report final) /
1989
204
Ambient water quality criteria document addendum for hexachlorobutadiene /
1989
205
Ambient water quality criteria document addendum for hexachlorocyclopentadiene /
1989
206
Ambient water quality criteria document addendum for nitrophenols /
1989
207
Ambient water quality criteria document addendum for phenol, (draft final report) /
1989
208
Ambient water quality criteria document addendum for phthalate esters, (draft final report) /
1989
209
Ambient water quality criteria document addendum for toxaphene /
1989
210
Ambient Water Quality Criteria Document: Addendum for 2,4-Dichlorophenol.
1989
211
Ambient Water Quality Criteria Document: Addendum for Carbon Tetrachloride.
1989
212
Ambient Water Quality Criteria Document: Addendum for Chlordane.
1989
213
Ambient Water Quality Criteria Document: Addendum for Heptachlor.
1989
214
Ambient Water Quality Criteria Document: Addendum for Nitrosamines.
1989
215
Amendment to the best demonstrated available technology (BDAT) background document for F006 /
1988
216
America's least wanted : alien species invasions of U.S. ecosystems /
1996
217
American anthrax : fear, crime, and the investigation of the nation's deadliest bioterror attack /
2011
218
American Arbacia and other sea urchins.
1956
219
American-Soviet Symposium on the Biological Effects of Pollution on Marine Organisms (1st).
1978
220
Ames bioassay of exhaust soluble organic emissions /
1984
221
Amphibian toxicity data for water quality criteria chemicals /
1996
222
Amphibian toxicity data for water quality criteria chemicals /
1996
223
An analysis of the EPA chemical use classification system and the OTS exposure estimation methodogy /
1979
224
An assessment of sediments from the Upper Mississippi River : final report - June 1997.
1997
225
An assessment of the macroinvertebrate communities of the Indian Creek Watershed, Tazewell County, Virginia /
2003
226
An assessment of the PCB and dioxin background in Washington freshwater fish, with recommendations for prioritizing 303(d) listings /
2010
227
An atlas of biodiversity : Chicago wilderness, a regional nature reserve /
1997
228
An ecological and evolutionary ethic
1974
229
An enclosed aquatic multispecies test system for testing microbial pest control agents with non-target species /
1989
230
An enclosed aquatic multispecies test system for testing microbial pest control agents with non-target species /
1989
231
An enclosed aquatic multispecies test system for testing microbial pest control agents with non-target species /
1989
232
An estimate of the potential costs of guidelines limiting public exposure to radiofrequency radiation from broadcast sources /
1985
233
An evaluation of filter feeding fishes for removing excessive nutrients and algae from wastewater /
1983
234
An evaluation of filter feeding fishes for removing excessive nutrients and algae from wastewater /
1983
235
An Evaluation of the approach for assessing risks to the benthic invertebrate community at the Portland Harbor Superfund site : preliminary draft /
2008
236
An evaluation of the National Eutrophication Survey data,
1977
237
An index of refractory organics /
1977
238
An introduction to environmental biophysics /
1977
239
An introduction to Mid-Atlantic seasonal pools /
2005
240
An introduction to systems biology : design principles of biological circuits /
2007
241
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
242
An SAB report : review of synoptic national assessment of comparative risks to biological diversity and landscapes types /
1992
243
An SAB report : review of the agency's draft ecological risk assessment guidelines /
1997
244
An SAB report : review of the health risks from low-level environmental exposures to radionuclides (FGR-13 report) /
1998
245
An SAB report : technical review of the proposed TSCA section 403 regulation (identification of dangerous levels of lead) /
1998
246
An SAB report : the cumulative exposure project /
1996
247
An SAB report review of drinking water health criteria document. [electronic resource] :
1992
248
Anaerobic and Aerobic Treatment of Chlorinated, Aliphatic Compounds.
1993
249
Anaerobic Biodegradation of Nitrogen-Substituted and Sulfonated Benzene Aquifer Contaminants.
1989
250
Anaerobic Biodegradation of o-, m- and p-cresol by Sulfate-Reducing Bacterial Enrichment Cultures Obtained from a Shallow Anoxic Aquifer.
1989
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