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United States Environmental Protection Agency
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Items Found: 863
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'Crassostrea virginica' as an Indicator of Lead Pollution.
'Escherichia coli' Serotypes in Microbial Pollution of Water.
15N Natural Abundance and (15)N Labelling Studies in Forest Ecosystems.
1965 data tabulations and summaries.
1967 data tabulations and summaries : continuous air monitoring projects, national air surveillance networks : Denver
1967 data tabulations and summaries : continuous air monitoring projects, national air surveillance networks : Philadelphia
1967 data tabulations and summaries continuous air monitoring projects national air surveillance networks, Washington, D.C.
1967 data tabulations and summaries, continuous air monitoring projects, national air surveillance networks, Chicago.
1967 Data Tabulations and Summaries, Continuous Air Monitoring Projects, National Air Surveillance Networks, Cincinnati.
1967 data tabulations and summaries, St. Louis.
1968 data tabulations and summaries : continuous air monitoring projects, national air surveillance networks : Denver
1968 data tabulations and summaries : continuous air monitoring projects, national air surveillance networks : Philadelphia
1969 Atmospheric Reaction Studies in the Los Angeles Basin. Volume I. Program Design and Methodology Data Summary and Discussion.
1978 winter municipal wastewater treatment facility : performance report /
1997 urban air toxics monitoring program (UATMP) /
A climatology of temperature and precipitation variability in the United States /
A field study to compare performance of stainless steel research monitoring wells with existing on-farm drinking water wells in measuring pesticide and nitrate concentrations /
A regional fine particle field study : data base and initial results /
A review and synthesis of effects of alterations to the water temperature regime on freshwater life stages of salmonids, with special reference to chinook salmon /
A study of the dispersal of suspended sediment from the Fraser and Skagit River into northern Puget Sound using LANDSAT imagery /
Above- and Belowground Emergent Macrophyte Production and Turnover in a Coastal Marsh Ecosystem, Georgia.
Abundance and Viability of Striped Bass Eggs Spawned in Roanoke River, North Carolina, in 1989.
Abundance and Viability of Striped Bass Eggs Spawned in the Roanoke River, North Carolina, in 1991.
Accumulation of Cadmium by the American Oyster, 'Crassostrea virginica'.
Acid precipitation in North America : 1986 annual and seasonal data summary from acid deposition system data base /
Acid precipitation in North America : 1987 annual and seasonal data summaries from acid deposition system data base /
Acid precipitation patterns and trends in eastern North America, 1980-1984 /
Acidic Episodes and Surface Water Chemistry: A Comparison of Northeast and Southeast Study Sites.
Acute Toxicities of Selected Heavy Metals to the Softshell Clam, 'Mya arenaria'.
Aerial Application Accidents 1963 to 1966: An Analysis of the Principal Factors.
Aggregation and Episode Selection Scheme for EPA's Models-3 CMAQ.
Aggregation Using Cluster Analyses for Models-3 CMAQ Applications.
Aice Survey of USSR Air Pollution Literature. Volume Vi. Air Pollution in Relation to Certain Atmospheric and Meteorological Conditions and Some of the Methods Employed in the Survey and Analysis of Air Pollutants.
Air monitoring in the Arctic: 1980-90.
Air pollution of climatology around an isolated point source using convective scaling parameters /
Air Pollution: Appendix E - Air Pollution Case Study of the South Holland Region (First Phase) - 1973, No. 6.
Air quality data : 1974 first quarter statistics /
Air Quality Data for 1968, from the National Air Surveillance Networks and Contributing State and Local Networks.
Air quality data from the national air surveillance networks and contributing state and local networks /
Air Quality Modeling at Neighborhood Scales to Improve Human Exposure Assessment.
Air Quality Modeling of PM and Air Toxics at Neighborhood Scales.
Air Quality Monitoring in Little Rock, Arkansas.
Air Quality Monitoring in Shreveport, Louisiana.
Algae-Temperature-Nutrient Relationships and Distribution in Lake Erie - 1968.
Algal metabolite influence on bloom sequence in eutrophied freshwater ponds /
Algal Photosynthesis, Algal Abundance, and Chemistry of Lake Water at Fairmont, Minnesota.
Allocation of biomass and carbohydrates in waterhyacinth (Eichhornia crassipes) pond-scale verification /
Alternate Performance Standard Project: Interpreting the Post-Construction Test.
Alternative Ozone Dose Metrics to Characterize Ozone Impact on Crop Yield Loss (Journal Version).
Ammonia investigations in the Colorado River, Grand Junction and Fruita, Colorado /
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