The test substance trifluralin, a,a,a-trifluro-2,6-dinitro-N,N-dipropyl-p­-toluidine is a yellow-orange crystal that is used commercially as an herbicide. It is used as a selective preemergence herbicide. Its solubility ...

The test substance trifluralin, a,a,a-trifluro-2,6-dinitro-N,N-dipropyl-p­ toluidine, is a yellow-orange crystal that is used commercially as a herbicide. Its solubility in water is less than 1 mg/L (Farm Chemicals ...

Walleye, lake trout, siscowet trout, and whitefish were obtained in two collections from Apostle Islands National Lakeshore (AINL) as a representative sample of fish consumed by the Red Cliff Band of Lake Superior ...

The Center for Lake Superior Environmental Studies of the University of Wisconsin-Superior, Superior, Wisconsin 54880 has completed acute toxicity tests with eighteen organic compounds. Fathead minnows, Pimephales ...

Acute and early life-stage toxicities were determined for the herbicides alacblor, bromacil, dinoseb, diuron, and propanil with the fathead minnow (Pimephales promelas). Uptake, bioconcentration potential, and elimination ...

Progress was ade during this quarter on (1) collection and culturing of test organisms, (2) development of an invertebrate and fish bioassay facility for sediments, (3) preparation for sediment mutagenicity assays (Ames ...

Acoustical and net sampling was conducted throughout western Lake Superior during 1978-1980 to obtain information on rainbow smelt (Osmerus mordax) abundance, the factors controlling smelt abundance and the influence ...

The behavior of land bird migrants in the Apostle Islands was studied to determine the significance of these islands as stopover locations and to outline how Lake Superior affects migration patterns. Field observations ...

The Soviet Union is the world’s third largest producer of cotton, growing approximately one-eighth of the world’s total annual productions of cotton. The country’s average yield of lint per acre in 1964 was the world’s ...