ESTIMATES OF "NO EFFECT" CONCENTRATIONS OF SELECTED PESTICIDES IN FRESHWATER ORGANISMS (YEAR III) 1 April 1980 - 23 May 1981

Abstract

Toxicity tests with 18 chemicals and 3 species of test organisms were completed during the quarter for a total of 19 tests. Seventeen tests were acute exposures and one was an algal assay. Seven tests were with alcohols, 8 with ketones, 2 with metals, and 2 with pesticides.