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United States Environmental Protection Agency
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Items Found: 495
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Your Search: (SUBJECT=Seasonal variations)
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'Crassostrea virginica' as an Indicator of Lead Pollution.
'Escherichia coli' Serotypes in Microbial Pollution of Water.
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.
1978 winter municipal wastewater treatment facility : performance report /
A climatology of temperature and precipitation variability in the United States /
A regional fine particle field study : data base and initial results /
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 /
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.
Air monitoring in the Arctic: 1980-90.
Air quality data from the national air surveillance networks and contributing state and local networks /
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.
Alternate Performance Standard Project: Interpreting the Post-Construction Test.
Alternative Ozone Dose Metrics to Characterize Ozone Impact on Crop Yield Loss (Journal Version).
An Evaluation of trend detection techniques for use in water quality monitoring programs /
An introduction to Mid-Atlantic seasonal pools /
Anaerobic biodegradation of 2,4-dichlorophenol in freshwater lake sediments at different temperatures /
Analysis of Crop Loss for Alternative Ozone Exposure Indices.
Analysis of data from long-term monitoring of lakes /
Analysis of Long-Term and Seasonal River Water Quality Changes in Latvia.
Analysis of Operation 'Deep Six' Benthic Invertebrates.
Analysis of Seasonal Variations in Air Pollutant Levels.
Analysis of the Dynamics of DDT and Its Derivatives, DDD and DDE, in Marine Sediments.
Analysis of Time-Variant Behavior of Water Chemistry.
Analysis of Urban Aerosols in Major US Cities - Implications for Asthmatic Airways.
Analytical Data on Particulate Atmospheric Pollutants.
Animo Acid Composition of Suspended Particles, Sediment-Trap Material, and Benthic Sediment in the Potomac Estuary.
Annual and seasonal precipitation probabilities /
Annual Course of Precipitation Over Much of the United States - Observed versus GCM Simulation.
Applied Criteria for Municipal Water Rate Structures, Handbook.
Aquatic-Biotic Community Structure as an Indicator of Pollution.
Asbestos fibers in natural runoff and discharges from sources manufacturing asbestos products /
Assessing Potential Bioavailability of Metals in Sediments: A Proposed Approach.
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