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Auteur ENVIRONMENTAL PROTECTION AGENCY |
Documents disponibles écrits par cet auteur (25)
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This manual describes procedures for characterizing the physical/chemical nature of toxicants in acutely toxic effluent samples. To detect the presence and potency of the toxicants as the sample is manipulated the measurement of toxicity using o[...]ouvrage
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J. Shnoor ; C. Sato ; D. Mac Kechnie ; ENVIRONMENTAL PROTECTION AGENCY | S.E. | US EPA 600-3-87-015 | 1987rapport
K. Brown ; J. Thomas ; J. Lyton ; P. Jayawickrama ; S. Bahrt ; ENVIRONMENTAL PROTECTION AGENCY | 1987rapport
An evaluation of the hydraulic conductivity of a compacted clay liner was conducted on an extensively at 250 evenly spaced points. Spatial variability of soil, water content, and density was high even though average values were close to design s[...]rapport
M. Van Genuchten ; F. Leij ; S. Yates ; ENVIRONMENTAL PROTECTION AGENCY | 1991rapport
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P. Fromm ; MICHIGAN STATE UNIVERSITY DEPARTEMENT OF PHYSIOLOGY ; ENVIRONMENTAL PROTECTION AGENCY | S.E. | PB 201 650 | 1970L'étude concerne les effets de la pollution sur les poissons, principalement sur la truite arc-en-ciel. Elle s'intéresse particulièrement aux effets de l'ammoniac, et du chrome sur la physiologie du poisson.rapport
This report presents part of a larger study conducted on the Naugatuck River, Connecticut, August 1983. In addition to the studies described here, there is another report describing efforts to model the toxicity as BOD is modeled (DiToro and Hal[...]