Toxic impact of effluents from petrochemical industry
The toxicity of effluents from a petrochemical industry center in southern Finland was tested by conducting bioassays on organisms from three different trophic levels. In fish tests, rainbow trout (Salmo gairdneri) were caged at the discharge site and simultaneously at a reference area. The only clear differences, among the measurements of 25 metabolic parameters, were observed in fish liver where activities of two detoxication enzymes were significantly increased in the exposed group. The water flea (Daphnia magna) was used both in acute (EC50) and long-term reproduction tests. No acute lethal toxicity was detected in any of the wastewater samples investigated. A combined effluent, however, caused a reduction in the reproduction rate with an EC50 of 3%. No mutagenic activity was observed with the Ames test (Salmonella typhimurium, strains TA 97, TA 98, and TA 100) in concentrated effluents, in sediment samples, or in liver samples from predator fish caught from the discharge site.
- Research Organization:
- National Board of Water, Helsinki, Finland
- OSTI ID:
- 5264523
- Journal Information:
- Ecotoxicol. Environ. Saf.; (United States), Vol. 1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
CHEMICAL INDUSTRY
ENVIRONMENTAL EFFECTS
PETROLEUM
TOXICITY
BILE
CHEMICAL EFFLUENTS
DAPHNIA
FINLAND
METABOLIC ACTIVATION
METABOLISM
MUSCLES
MUTAGEN SCREENING
PROTEINS
REPRODUCTION
SALMONELLA TYPHIMURIUM
SYNERGISM
TROUT
WASTE WATER
WATER POLLUTION
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
BACTERIA
BIOLOGICAL MATERIALS
BODY FLUIDS
BRANCHIOPODS
CRUSTACEANS
ENERGY SOURCES
EUROPE
FISHES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
INDUSTRY
INVERTEBRATES
LIQUID WASTES
MATERIALS
MICROORGANISMS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
POLLUTION
SALMONELLA
SCANDINAVIA
SCREENING
VERTEBRATES
WASTES
WATER
WESTERN EUROPE
560302* - Chemicals Metabolism & Toxicology- Microorganisms- (-1987)
560304 - Chemicals Metabolism & Toxicology- Invertebrates- (-1987)
560305 - Chemicals Metabolism & Toxicology- Vertebrates- (-1987)
520200 - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)