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Search Results for the EPA National Library Catalog
Items Found: 210
Showing: Items 201 - 210
Your Search: (SUBJECT=Biological Indicators)
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Year Published
201
Time Series Satellite Data to Identify Vegetation Response to Stress as an Indicator of Ecosystem Health.
1995
202
Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Areas in the St. Mary's River Basin in Saint Mary's County, Maryland.
2004
203
Transmittal of final policy on biological assessments and criteria : memorandum /
1991
204
Use of Quantitative Two-Dimensional Gel Electrophoresis to Analyze Changes in Alveolar Macrophage Proteins in Humans Exposed to Ozone.
1989
205
Utilization of Topsmelt, 'Atherinops affinis', in Environmental Toxicology Studies along the Pacific Coast of the United States.
1993
206
Validity of ambient toxicity tests for predicting biological impact, Ohio River, near Wheeling, West Virginia /
1986
207
Variability in Diatom and Chrysophyte Assemblages and Inferred pH: Paleolimnological Studies of Big Moose Lake, New York, USA.
1991
208
Waste Treatment Protozoa Flagellata.
1962
209
What can biological monitoring tell us about the environmental health of aquatic ecosystems /
1989
210
Zoomicrobial Indicators of Water Pollution.
1972
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