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Auteur US ENVIRONMENTAL PROTECTION AGENCY |
Documents disponibles écrits par cet auteur (25)
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R. Bradford ; US ENVIRONMENTAL PROTECTION AGENCY | US Environmental Protection Agency, Washington D.C. : Office of research and development | EPA 660 2 74 033 | 1974A study of nitrogen and phosphorus losses from Decatur silt loam soil was conducted over three cropping periods from 1969-1972. Experimental agronomy plots at Alabama A. & M. University were seeded to cotton, corn, soybeans, and millet and compa[...]rapport
M. Lieberman ; US ENVIRONMENTAL PROTECTION AGENCY | AS Environmental Protection Agency, Washington D.C. : Office of research and monitoring | Environmental protection technology series, EPA R2 73 102 | 1973Five different crude oils, two residual fuel oils and one distillate fuel oil were subjected to simulated weathering in the laboratory. Samples were weathered for 10 and 21 days at 55 and 80° F, under high and low salt water washing rates. "Weat[...]rapport
E. Middlebrooks ; D. Falkenborg ; R. Lewis ; US ENVIRONMENTAL PROTECTION AGENCY ; OFFICE OF RESEARCH AND DEVELOPMENT ; Performance and Upgrading of Wastewater Stabilization Ponds (1979; USA) | Cincinnati, Ohio : US Environmental Protection Agency, Office of Research and Development | EPA 600/9-79-011 | 1979ouvrage
The almost complete absence of literature on the subject indicates that the quality of hatchery effluents has not, generally, been considered a serious enough to warrant investigation. there are over 600 state and federal fish cultural program c[...]rapport
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C. Smith ; R. Leonard ; G. Langdale ; G. Bailey ; US ENVIRONMENTAL PROTECTION AGENCY | United states environmental protection agency | EPA-600-3-78-056 | 1978Data were collected from four small watersheds (1.3 to 2.7 ha) located in the southern Piedmont region. Two watersheds were managed without conservation measures; the other two watersheds were parallel-terraced and included grassed waterways for[...]rapport
B. Johnson ; J. Wight ; D. Bowles ; J. Reynolds ; E. Middlebrooks ; US ENVIRONMENTAL PROTECTION AGENCY | S.E. | EPA-600/2-79-018 | 1979congrès/colloque