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OLS Field Name OLS Field Data
Main Title Acute Toxicity of MRD-80-3 to the Water Flea Daphnia Magna Straus with Cover Letter.
CORP Author Union Carbide Corp., Danbury, CT.;Exxon Corp., East Millstone, NJ. Medical Dept.;Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Publisher 5 May 1980
Year Published 1980
Report Number 878211054;
Stock Number OTS-0206105
Additional Subjects Water fleas ; Bioindicators ; Toxicity ; Toxicology ; Aquatic animals ; Water pollution monitoring ; Toluene ; MRD-80-3 ; Acute toxicity ; Daphnia magna
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NTIS  OTS-0206105 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 09/29/2008
Collation 26p
Abstract This study was conducted at the request of Exxon Corporation to determine the static acute toxicity of MRD-80-3, to the water flea, Daphnia magna. The test was performed by Union Carbide Environmental Services (UCCES) at its toxicity laboratory in Tarrytown, New York. The test material is a clear liquid, insoluble in water. Daphnids occur in nearly every type of freshwater habitat and occupy a major place in the aquatic food web, serving as a principal food for many species of fish. Daphnia magna, because of its wide geographic distribution, temperature requirements and importance in the food web, is recommended as a bioassay organism by the Committee on Methods for Toxicity Tests with Aquatic Organisms (1975). Stock cultures are maintained at 19-21 degrees C in 350 liter tanks. Before starting the test, adults with full brood chambers were isolated into UCCES well waters; next morning the newly released instars, less than 20 hours old, were carefully removed with wide bore pipette and transferred to a separate holding vessel. One hour before the test they were fed, and as food was administered thereafter. Dilution water for the test was obtained from a well on the Tarrytown site, since first instar Daphnide readily survived in water from the same source.
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Category Codes 57Y; 68D
NTIS Prices PC A03/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 009400360
Origin NTIS
Type CAT