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Search Results for the EPA National Library Catalog
Items Found: 496
Showing: Items 301 - 350
Your Search: (SUBJECT=Seasonal variations)
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Title
Year Published
301
Phosphorus Release from Lake Sediments.
1973
302
Photosynthetic Reaeration in the Upper Passaic River.
1972
303
Physical and Chemical Properties of the Coastal Waters of Georgia.
1973
304
Physical Oceanographic Investigation of Massachusetts and Cape Cod Bays. Report to the Massachusetts Bays Program.
1992
305
Phytoplankton and Zooplankton in Lakes Erie, Huron and Michigan: 1984. Volume 1. Interpretive Report.
1987
306
Phytoplankton composition and abundance in Lake Ontario during IFYGL /
1975
307
Phytoplankton composition and abundance in southern Lake Huron /
1980
308
Phytoplankton Modeling in the Embayments of Lakes.
1983
309
Pilot scale study of acid mine drainage /
1971
310
Plankton Diatom Assemblages in Lake Michigan.
1969
311
Plankton of the Strait of Juan de Fuca, 1976-1977 /
1980
312
Pollution as a result of fish cultural activities /
1973
313
Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico.
1972
314
Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico.
1972
315
Potential for Eutrophication and Nuisance Algal Blooms in the Lower Neuse River Estuary.
1990
316
Power plant stack plumes in complex terrain : data analysis and characterization of plume behavior /
1980
317
Practical Guide to Water Quality Studies of Streams.
1969
318
Practical Problems Reducing Radon in Houses: Practical Problems Encountered During Efforts to Reduce Radon Concentration in Houses.
1988
319
Practical, Multipurpose Urban Diffusion Model for Carbon Monoxide.
1970
320
Precipitation Characteristics of the Northern New Jersey, New York City Metropolitan Area.
1972
321
Prediction by Numerical Models of Transport and Diffusion in an Urban Boundary Layer. Volume I.
1971
322
Prediction of Seasonal-Low Streamflow Quantities.
1971
323
Prediction of Solar and Atmospheric Radiation for Energy Budget Studies of Lakes and Streams.
1970
324
Principal Component Analysis of SO4(2-) Precipitation Concentrations over the Eastern United States.
1989
325
Proceedings of the Conference on MTBE and Other Oxygenates: A Research Update. Held in Falls Church, Virginia on July 26-28, 1993.
1995
326
Proceedings of the radon diagnostics workshop, April 13-14, 1987 /
1989
327
Proceedings: Integrated Research Planning Meeting for Gulf of Mexico Estuaries. Held in Gulf Breeze, Florida on November 2-3, 1993.
1994
328
Production and release of plant material in brackish and freshwater wetlands /
1981
329
Production cycles in aquatic microcosms /
1977
330
Production of Carbon Monoxide by the Homogeneous NOx-Induced Photooxidation of Volatile Organic Compounds in the Troposphere.
1991
331
Providence--Pawtucket, New Bedford, Fall River Air Pollutant Emission Inventory.
1969
332
Pulmonary Function, Airway Responsiveness, and Respiratory Symptoms in Asthmatics Following Exercise in NO2.
1990
333
RACT for the use of cutback asphalts in road construction and maintenance : Enforcement implications and equipment changes /
1980
334
Rainfall Climatology of Hilo, Hawaii.
1972
335
Rainfall data analysis using the gamma distribution function /
1991
336
Recent Variations in Course and Regimen, Kansas River and Nearby Reaches of Missouri River.
1970
337
Recreational Use of an Oklahoma Scenic River Bisected by a Flood Control-Hydroelectric Impoundment (Revised).
1972
338
Reductions of Enteric Microorganisms during Aerobic Sludge Digestion.
1990
339
Regional air pollution study : high volume filter measurements of suspended particulate matter /
1979
340
Reno Metropolitan Area Air Pollutant Emission Inventory.
1970
341
Reproductive Ecology of the Inland Silverside, 'Menidia beryllina', (Pisces: Atherinidae) from Blackwater Bay, Florida.
1992
342
Reranking of Area Sources in Light of Seasonal/Regional Emission Factors and State/Local Needs.
1989
343
Resource Seasonality and Fish Diets in an Illinois Stream.
1982
344
Response of Microorganisms to Hot Crude Oil Spills on a Subarctic Taiga Soil.
1978
345
Response of Peritrichous Ciliates in Fouling Communities to Seawater-Accommodated Hydrocarbons.
1982
346
Response of surface water chemistry to the Clean Air Act Amendments of 1990.
2003
347
Results of Ocean Diffusion and Biological Studies of the Hollywood, Florida, Ocean Outfall /
1976
348
Retension and Transformation of Selected Pesticedes and Phosphorus in Soil-Water Systems: A Critical Review.
1982
349
Retrospective Analysis of the Response of Saginaw Bay, Lake Huron, to Reductions in Phosphorus Loadings.
1983
350
Risk Equivalent Seasonal Waste Load Allocation.
1989
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