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Search Results for the EPA National Library Catalog
Items Found: 860
Showing: Items 501 - 550
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Title
Year Published
501
Optimum Meteorological and Air Pollution Sampling Network Selection in Urban Areas.
1977
502
Optimum N:P Ratios and Coexistence of Planktonic Algae (Journal Version).
1980
503
Options for reducing the costs of criteria pollutant monitoring /
1986
504
Overland Flow Treatment of Domestic Wastewater in Northern Climates Project Summary
1984
505
Overland flow treatment of domestic wastewater in northern climes
1984
506
Overview of USEPA/Clear Lake Erie Sediment Oxygen Demand Investigations during 1979.
1987
507
Ozone Decreases Spring Root Growth and Root Carbohydrate Content in Ponderosa Pine the Year Following Exposure.
1991
508
Ozone Health Effects and Emerging Issues in Relation to Standards Setting.
1989
509
Parallel evaluation of constant and diurnal flow treatment systems /
1978
510
Parameterization of Subsurface Heating for Soil and Concrete Using Net Radiation Data.
1985
511
Parametric Determination of Minimum Stream Flow for Trout.
1973
512
Parametric Determination of Minimum Streamflow for Trout.
1973
513
Parametric methodologies of cloud vertical transport for acid deposition models /
1988
514
Particle TEAM (PTEAM) study : analysis of the data : final report
1996
515
Particulate Data from the First Year of Monitoring in Phoenix. Part 1. Fine and Coarse Mass.
1997
516
Pb: In Search of the Facts.
1976
517
Performance evaluation of existing aerated lagoon system at Bixby, Oklahoma /
1979
518
Performance evaluation of existing aerated lagoon system at Consolidated Koshkonong Sanitary District, Edgerton, Wisconsin /
1979
519
Periodic Depuration of Anthracene Metabolites by Rainbow Trout.
1984
520
Persistence and detection of coliforms in turbid finished drinking water {microform} /
1982
521
Persistence in model ecosystems /
1982
522
Pesticide runoff losses from small watersheds in Great Lakes Basin /
1977
523
Phase Distributions of Airborne Polycyclic Aromatic Hydrocarbons in Two U.S. Cities.
1992
524
Phoenix-Tucson Metropolitan Area Air Pollutant Emission Inventory.
1969
525
Phosphate Study at the Baltimore Back River Waste-water Treatment Plant.
1970
526
Phosphorus Release from Lake Sediments.
1973
527
Photosynthesis and respiration rates in the Monticello experimental streams : 1976/77 diel field data and computed results /
1982
528
Photosynthetic Reaeration in the Upper Passaic River.
1972
529
Physical and Chemical Properties of the Coastal Waters of Georgia.
1973
530
Physical Oceanographic Investigation of Massachusetts and Cape Cod Bays. Report to the Massachusetts Bays Program.
1992
531
Phytoplankton and Zooplankton in Lakes Erie, Huron and Michigan: 1984. Volume 1. Interpretive Report.
1987
532
Phytoplankton composition and abundance in Lake Ontario during IFYGL /
1975
533
Phytoplankton composition and abundance in southern Lake Huron /
1980
534
Phytoplankton Modeling in the Embayments of Lakes.
1983
535
Pilot scale study of acid mine drainage /
1971
536
Pilot Study of Ultraviolet Radiation in Los Angeles Oct 1965.
1967
537
Plankton Diatom Assemblages in Lake Michigan.
1969
538
Plankton of the Strait of Juan de Fuca, 1976-1977 /
1980
539
Plasma Parameter beta in the Midnight Magnetosphere - from the Near-Earth Plasma Sheet to the Plasmapause.
1971
540
Pollution as a result of fish cultural activities /
1973
541
Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico.
1972
542
Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico.
1972
543
Pollution-Caused Fish Kills in 1962 (3rd Annual Report).
1963
544
Pollution-Caused Fish Kills in 1964 (5th Annual Report).
1965
545
Pollution-Caused Fish Kills in 1965 (6th Annual Report).
1966
546
Pollution-Caused Fish Kills in 1966 (7th Annual Report).
1967
547
Pollution-Caused Fish Kills in 1967 (8th Annual Report).
1968
548
Pollution-Caused Fish Kills in 1968 (9th Annual Report).
1969
549
Pollution-Caused Fish Kills in 1969 (10th Annual Report).
1970
550
Pollution-Caused Fish Kills in 1970 (11th Annual Report).
1972
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