| Main Title |
Toxicity of Pentachlorophenol to Aquatic Organisms under Naturally Varying and Controlled Environmental Conditions. |
| Author |
Hedtke, S. F. ;
West, C. W. ;
Allen, K. N. ;
Norberg-King, T. J. ;
Mount, D. I. ;
|
| CORP Author |
Environmental Research Lab.-Duluth, Monticello, MN. Monticello Ecological Research Station. |
| Year Published |
1986 |
| Report Number |
EPA/600/J-86/466; |
| Stock Number |
PB88-224977 |
| Additional Subjects |
Toxicity ;
Toxicology ;
Concentration(Composition) ;
Invertebrates ;
Fishes ;
Reproduction(Biology) ;
Reprints ;
Water pollution effects(Animals) ;
Phenol/pentachloro ;
Toxic substances ;
Aquatic organisms
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB88-224977 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
14p |
| Abstract |
The toxicity of pentachlorophenol (PCP) was determined in the laboratory for 11 aquatic species. Tests were conducted seasonally in ambient Mississippi River water and under controlled conditions in Lake Superior water. Fifty-one acute toxicity tests were conducted, with LC50 values ranging from 85 micrograms/L for the white sucker Catastomus commersoni during the summer to greater than 7,770 micrograms/L for the isopod Asellus racovitzai during the winter. The effect of PCP on growth and/or reproduction was determined for seven species. The most sensitive chronically exposed organisms were the cladoceran Ceriodaphnia reticulata and the snail Physa gyrina. The greatest variation in toxicity was due to species sensitivity. Within a given season there was as much as a 40-fold difference in LC50 values between species. For any one species, the maximum variation in LC50 between seasons was approximately 14-fold. There were also substantial differences in acute-chronic relationships, with acute/chronic ratios ranging from greater than 37 for C. reticulata to 1 for Simocephalus vetulus. It is suggested that the composition of the aquatic community should be the most important consideration in estimating the potential environmental effects of PCP. |
| Supplementary Notes |
Pub. in Environmental Toxicology and Chemistry, v5 p531-542 1986. |
| NTIS Title Notes |
Journal article. |
| Title Annotations |
Reprint: Toxicity of Pentachlorophenol to Aquatic Organisms under Naturally Varying and Controlled Environmental Conditions. |
| PUB Date Free Form |
Jun 86 |
| Category Codes |
57Y; 57H; 68D |
| NTIS Prices |
PC A03/MF A01 |
| Primary Description |
600/03 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
826018035 |
| Origin |
NTIS |
| Type |
CAT |
