Toxaphene Effects on Reproduction, Growth, and Mortality of Brook TroutU.S. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory, 1975 - Fishes - 42 pages |
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15 day samplings 502 ng/1 concentrations 502 ng/1 toxaphene 75 Mean 90 days ADULT BROOK TROUT AFFECTED BY TOXAPHENE application factor BACKBONE COMPOSITION biochemical analyses brook trout fry calcium collagen synthesis COMPOSITION OF BROOK concentration of toxaphene days days days days of exposure different from controls effects of toxaphene elastin exposed to toxaphene exposure Table Flint Creek Foster L FRY AS AFFECTED FRY CONTINUOUSLY EXPOSED gastrulation hatching hydrolysate hydroxyproline incubator cups length lethal threshold concentration Measured concentration mineralization ng/1 Controla ng/1 exposures ng/1 of toxaphene ng/1 toxaphene exposures no-effect concentration Nominal concentration number of spawns numbers of eggs offal organochlorine peak heights phosphorous phthalic acid polychlorinated biphenyls proline RESIDUES IN ADULT RESIDUES IN YEARLING RESIDUES OF TOXAPHENE S.E. Number SELECTED GLC PEAKS significantly decreased P<0.05 spawning activities standard error tissue toxaphene concentrations toxaphene in water toxaphene isomers toxaphene residues TROUT CONTINUOUSLY EXPOSED U.S. Environmental Protection YEARLING BROOK TROUT µg/g