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RECORD NUMBER: 6 OF 12

Main Title Predicting Single-Species Toxicity in Natural Water Systems.
Author Connolly, J. P. ;
CORP Author Manhattan Coll., Bronx, NY. Dept. of Environmental Engineering and Science.;Environmental Research Lab., Gulf Breeze, FL.
Year Published 1985
Report Number EPA/600/J-85/338;
Stock Number PB86-171618
Additional Subjects Water pollution ; Toxicity ; Fresh water biology ; Contaminants ; Bioassay ; Mathematical model ; Fish ; Mortality ; Assessments ; Zinc ; Copper ; Endrin ; Doses ; Water pollution effects(Animals) ; Accumulations ; Laboratory tests
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NTIS  PB86-171618 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 12p
Abstract A methodology is proposed to predict single-species toxicity in natural waters by using laboratory bioassay data which relate effect to a tissue concentration of toxicant or to injury accumulation. Such relationships should be independent of test conditions and therefore transferable from lab to field. A mathematical model of uptake and elimination of toxicants by fish is used to relate exposure concentration to tissue concentration and then to affect. Prediction of toxicity in a laboratory test in which the exposure concentration varies in time is presented as a first step in testing the methodology. Survival time under time-varying exposure is calculated and compared to observed data. The model predicted survival times that were consistent with the observed times. Whole-body residue is used as the estimate of dose.
Supplementary Notes Pub. in Environmental Toxicology and Chemistry, v4 p573-582 1985. Sponsored by Environmental Research Lab., Gulf Breeze, FL.
NTIS Title Notes Journal article.
PUB Date Free Form c1985
Category Codes 6T; 6F; 6C; 8H; 68D; 57Y; 48G
NTIS Prices PC A02/MF A01
Primary Description 600/04
Document Type NT
Cataloging Source NTIS/MT
Control Number 612921721
Origin NTIS
Type CAT