Chronic toxicity of biphenyl to Daphnia magna Straus
- Dow Chemical Company, Midland, MI (USA)
The US Environmental Protection Agency (EPA) issued a final test rule (1985) for biphenyl on the authority of Section 4(a) of the Toxic Substances Control Act (TSCA). Contained within this rule was the requirement for generating chronic daphnid toxicity data for biphenyl. Biphenyl is used primarily to produce dye carriers, heat-transfer fluids and alkylated biphenyls. The acute toxicity of biphenyl to Daphnia magna has been reported. The 48-hr LC50 values were 4.7 and 2.1 mg/L, respectively. To date, the chronic toxicity of biphenyl to fish and aquatic invertebrates has not been investigated. The objective of this study was to determine the chronic toxicity of biphenyl to D. magna. The daphnid chronic toxicity test is designed to estimate the maximum acceptable toxicant concentration (MATC). The MATC is defined as the concentration falling between the highest concentration showing no effect and the next higher concentration showing a toxic effect when compared to the controls.
- OSTI ID:
- 7167085
- Journal Information:
- Bulletin of Environmental Contamination and Toxicology; (USA), Vol. 43:3; ISSN 0007-4861
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BIPHENYL
TOXICITY
DAPHNIA
MORTALITY
LETHAL DOSES
POPULATION DYNAMICS
US EPA
ANIMALS
AQUATIC ORGANISMS
AROMATICS
ARTHROPODS
BRANCHIOPODS
CRUSTACEANS
DOSES
HYDROCARBONS
INVERTEBRATES
NATIONAL ORGANIZATIONS
ORGANIC COMPOUNDS
US ORGANIZATIONS
560300* - Chemicals Metabolism & Toxicology