Levels of PCBs and trace metals in Crab Orchard Lake sediment, benthos, zooplankton, and fish
Concentrations of trace metals and PCBs in six species of fish, zooplankton, macrobenthos, sediment, and water were studied in Crab Orchard Lake, Williamson County, Illinois. Eleven sites were chosen throughout the lake, including one site (site 10) near an abandoned dumpsite of a former electrical transformer manufacturing facility. PCB levels in the selected components from site 10 were considerably higher than the other sites. Thirty-eight percent (17/45) of fish fillets from various species at this site exceeded the 2.00 mg/kg FDA guideline for PCBs. PCB concentrations in fish were variable, and little relationship existed between age or size and PCB concentrations in most species. Common carp and channel catfish had higher PCB levels than the other species examined. Trace metals were low in fish and other components analyzed and were comparable to literature values for the midwestern United States. Mercury was the only trace metal to exhibit a significant positive relationship with age or size of fish. Mercury was also the only trace metal to exhibit biomagnification.
- Research Organization:
- Southern Illinois Univ., Carbondale, IL (USA). Fisheries Research Lab.
- OSTI ID:
- 6830173
- Report Number(s):
- PB-90-195652/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AGE DEPENDENCE
ANIMALS
AQUATIC ORGANISMS
AROMATICS
BENTHOS
BIOLOGICAL ACCUMULATION
CHLORINATED AROMATIC HYDROCARBONS
CONTAMINATION
ECOLOGICAL CONCENTRATION
ELEMENTS
FEDERAL REGION V
FISHES
HALOGENATED AROMATIC HYDROCARBONS
ILLINOIS
LAKES
MERCURY
METALS
MONITORING
NORTH AMERICA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PLANKTON
POLLUTION
SEDIMENTS
SURFACE WATERS
TRACE AMOUNTS
USA
VERTEBRATES
WATER POLLUTION
ZOOPLANKTON