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Search Results for the EPA National Library Catalog
Items Found: 860
Showing: Items 651 - 700
Your Search: (SUBJECT=Variations)
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Year Published
651
Seasonal Variability in Prickly Pear Creek Water Quality and Macroinvertebrate Communities.
1986
652
Seasonal Variation of Potential Nutrient Limitation to Chlorophyll Production in Southern Lake Huron.
1981
653
Seasonal variations in organic emissions for significant sources of volatile organic compounds /
1978
654
Seasonal Variations of Arsenic and Other Trace Elements in Bay Mussels 'Mytilus edulis' (Journal Version).
1982
655
Seasonal variations of radon and radon decay product concentrations in single family homes /
1986
656
Seasonal Variations of Stable Hydrogen and Carbon Isotope Ratios of Methane in Subtropical Freshwater Sediments.
1992
657
Seasonal Variations of Tintinnids (Ciliophora: Oligotrichida) in Narragansett Bay, Rhode Island, U.S.A.
1982
658
Sediments and sediment-water nutrient interchange in Upper Klamath Lake, Oregon /
1974
659
Select research group in air pollution meteorology : final report /
1980
660
Selection of transient cycles for heavy-duty vehicles /
1978
661
Sensitivity of Ecological Landscapes and Regions to Global Climatic Change.
1989
662
Sensitivity of important western conifer species to SO
2
and seasonal interaction of acid fog and ozone /
1989
663
Sewage facilities construction report 1972-1973-1974 /
1975
664
Short - Term Conservative Transport Model for Shallow Estuaries.
1971
665
Simulated Effects of Hydrocarbon Emissions Controls on Seasonal Ozone Levels in the Northeastern United States: A Preliminary Study.
1988
666
Simulation Model for the Upper Wabash Surface Water System.
1972
667
Sioux Falls, South Dakota Metropolitan Area Air Pollution Emission Inventory.
1971
668
Site Selection Procedures for Temporally Integrated Monitoring of Ecosystems (Time).
1989
669
Sludge and Residual Waste Inventory.
1976
670
Small Mammal Utilization of Vernal Pools, San Diego County, California.
1985
671
Smallmouth bass and largemouth bass in the Tongue River Reservoir, Montana, 1975-76 /
1980
672
Sociological Dimensions of Leisure Involvement in Water-Based Recreation.
1973
673
Solid Waste Characteristics at the Atlanta State Farmers' Market.
1971
674
Some Aspects of Morphological Variation in 'Stephanodiacus niagarae' (Bacillariophyceae).
1980
675
Some Effects of Hypolimnitic Discharges on Temperatures in the Stream Below.
1970
676
Some Features in the Diurnal Variations of Rain and Wind over North Carolina.
1972
677
Sound Exposure Level versus Distance Curves for Civil Aircraft.
1976
678
Sources of Nutrients and the Scale of Eutrophication Problems in Estuaries.
1981
679
Space and Time Variability of SO2 and Particulate Concentrations in Connecticut.
1971
680
Spatial and seasonal structure of rotifer communities in Lake Huron /
1979
681
Spatial and Temporal Patterns of Eastern U.S. Haziness: A Summary.
1981
682
Spatial distribution and temperature selection of fish near the thermal outfall of a power plant during fall, winter and spring /
1980
683
Spatio-Temporal Fluctuations in the Distribution and Abundance of Demersal Fish and Epibenthic Crustaceans in Yaquina Bay, Oregon.
1990
684
Spatio-Temporal Patterns of Foraging Success for Fishes in an Illinois Stream.
1985
685
Spatiotemporal Variability of Total Column Ozone Derived from TOMS Using Rotated Principal Component Analysis.
1996
686
Special report : trends in concentrations of benzene-soluble suspended particulate fraction and benzo(a)pyrene, 1960-1972.
1974
687
Species Composition and Diversity of Polychaetes in the New York Bight.
1973
688
Species-Habitat Relationships among Antarctic Seabirds: A Function of Physical or Biological Factors.
1993
689
Stable-Isotope Ratios of Hydrogen and Oxygen in Precipitation at Norman, Oklahoma, 1996-2008.
2011
690
State of Hawaii Air Pollutant Emission Inventory.
1970
691
Statewide emission inventory of South Dakota
1971
692
Static coal storage : biological effects on the aquatic environment /
1980
693
Statistical issues in environmental monitoring and assessment of anthropogenic pollution /
1997
694
Statistical Method for Detection of a Trend in Atmospheric Sulfate.
1995
695
Statistical Problems Arising from Environmental Issues.
1993
696
Status of Waterborne Giardiasis Outbreaks and Monitoring Methods.
1986
697
Stochastic Predictions of Sediment Yields from Small Coastal Watersheds in Oregon, U.S.A.
1981
698
Stochasticity in Stream Fish Communities: An Alternative Interpretation.
1984
699
Stream Chemistry in the Southern Blue Ridge: Feasibility of a Regional Synoptic Sampling Approach.
1988
700
Stream Pollution from Cattle Barnlot (Feedlot) Runoff.
1972
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