Hexachlorobenzene uptake by fathead minnows and macroinvertebrates in recirculating sediment/water systems
Technical Report
·
OSTI ID:6749701
Fathead minnow (Pimephales promelas), the worm, Lumbriculus variegatus, and the amphipods Hyalella azteca and Gammarus lacustris were exposed to hexachlorobenzene (HCB) in water with and without a bed of HCB-spiked sediment. Water HCB concentrations were maintained by recirculation through HCB-packed columns. Recirculating HCB-bound particulates and possibly eroded HCB particulates were an added source of HCB in addition to the sediment bed. Significant bioaccumulation of HCB in animal tissues was observed in water-only and water-sediment exposures. The presence of the HCB-spiked sediment did not result in a significant increase in the uptake of HCB by the organisms, but there was a substantial increase in sediment HCB levels over time. Higher tissue HCB levels in aquaria without sediment suggest that the sediment was a more efficient sink for HCB than the organisms.
- Research Organization:
- Environmental Protection Agency, Corvallis, OR (USA). Environmental Research Lab.
- OSTI ID:
- 6749701
- Report Number(s):
- PB-90-217381/XAB; EPA--600/J-90/006
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
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.
ANIMALS
ANNELIDS
AQUATIC ORGANISMS
AROMATICS
ARTHROPODS
BIOLOGICAL ACCUMULATION
BIOLOGICAL INDICATORS
CHLORINATED AROMATIC HYDROCARBONS
CRUSTACEANS
FATHEAD MINNOW
FISHES
HALOGENATED AROMATIC HYDROCARBONS
INVERTEBRATES
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION
SEDIMENTS
SENSITIVITY
TOXICITY
VERTEBRATES
WATER POLLUTION
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.
ANIMALS
ANNELIDS
AQUATIC ORGANISMS
AROMATICS
ARTHROPODS
BIOLOGICAL ACCUMULATION
BIOLOGICAL INDICATORS
CHLORINATED AROMATIC HYDROCARBONS
CRUSTACEANS
FATHEAD MINNOW
FISHES
HALOGENATED AROMATIC HYDROCARBONS
INVERTEBRATES
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION
SEDIMENTS
SENSITIVITY
TOXICITY
VERTEBRATES
WATER POLLUTION