Acute 48-h renewal toxicity tests with chlorpyrifos were conducted using the cladocerans Ceriodaphnia dubia and Daphnia magna as the test organisms. The toxicity tests were conducted to generate median effect concentration ...

An acute 96-h static toxicity test with toxaphene was conducted using a pulmonate snail, Physa sp. as the test organism. The toxicity test was designed to generate LCSO values at 4, 8, 24, 48, 72 and 96 h of exposure. ...

Three toxicity tests were conducted during June and July of 1997 to complete a set of tests designed to show the toxicity of Mexel® 432 to a group of freshwater organisms. The tests included in this report are a five-minute ...

The Environmental Health Laboratory at the University of Wisconsin­ Superior (UW-S) conducted tests to complete the data sets necessary to derive the national water quality criteria for seven pesticides. Acute tests with ...

Acute 96-h flow-through toxicity tests with the compound 2,4,5- trichlorophenol were conducted using 14- to 21-d old juvenile amphipods, Hyalella azteca. Toxicity tests were conducted at six nominal pH levels of 6.2, 6.8, ...