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RECORD NUMBER: 30 OF 31

Main Title Use of Hazard Models in Evaluating the Effect of Exposure Duration on the Acute Toxicity of Three Pesticides.
Author Moore, D. W. ; Schluchter, M. D. ; Scott, G. I. ;
CORP Author Army Engineer Waterways Experiment Station, Vicksburg, MS. Environmental Lab. ;Cleveland Clinic Foundation, OH. ;South Carolina Univ., Columbia. Dept. of Environmental Health Sciences.;Environmental Research Lab., Gulf Breeze, FL.;South Carolina Sea Grant Consortium, Charleston.
Publisher 1990
Year Published 1990
Report Number EPA-R-813138-02-0 ;SCSGC-SD85-10; EPA/600/A-95/010;
Stock Number PB95-174710
Additional Subjects Pesticides ; Toxicity ; Acute exposure ; Water pollution monitoring ; Models ; Tests ; Risk assessment ; Biological effects ; Comparative evaluations ; Health hazards ; Hazardous materials ; Concentration(Composition) ; Statistical analysis ; Agricultural runoff ; Azinophosmethyl ; Endosulfan ; Fenvalerate ; Renewal tests ; Toxicity tests
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NTIS  PB95-174710 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 19p
Abstract
Renewal toxicity tests (96 h) were conducted with the emulsifiable concentrates of three pesticides: azinphosmethyl, endosulfan, and fenvalerate. A second test design, which incorporated a 6-h period of exposure followed by 90 h of observation, was also conducted on these three pesticides. Toxicity results from the two test types were then compared using different hazard models to test a series of null hypotheses. The study may have significant implications for relating results from laboratory toxicity tests to mortality among organisms exposed in situ. The 6-h exposure test design provides information on delayed effects due to short-term exposures, while hazard analysis can be used to estimate the underlying time/concentration relationship from standard laboratory toxicity test data.