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Mutagenic activity in foundry air

E Skyttä, R Schimberg, H Vainio

    Archives of Toxicology. Supplement. = Archiv Fur Toxikologie. Supplement
    |January 1, 1980
    PubMed
    Summary
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    Foundry air contaminants are mutagenic, even at low benzo(a)pyrene (BaP) levels. The Ames test revealed mutagenicity in all samples, correlating with BaP concentrations. This highlights potential health risks from industrial emissions.

    Area of Science:

    • Environmental Science
    • Toxicology
    • Chemical Analysis

    Background:

    • Foundry operations release air contaminants.
    • Cyclohexane-soluble organic compounds are a concern.
    • Benzo(a)pyrene (BaP) is a known mutagenic polycyclic aromatic hydrocarbon.

    Purpose of the Study:

    • To assess the mutagenic potential of foundry air contaminants.
    • To quantify benzo(a)pyrene (BaP) concentrations in these contaminants.
    • To correlate BaP levels with observed mutagenicity.

    Main Methods:

    • Ames test using Salmonella typhimurium strains TA 98 and TA 100.
    • Metabolic activation of samples.
    • Glass capillary gas chromatography for BaP analysis.

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    Main Results:

    • All tested foundry air contaminant samples exhibited mutagenicity.
    • Mutagenicity was observed in both TA 98 and TA 100 strains post-activation.
    • A correlation was found between BaP concentration and mutagenic activity.

    Conclusions:

    • Foundry air contaminants possess mutagenic properties.
    • Benzo(a)pyrene contributes to the observed mutagenicity.
    • Further investigation into industrial emission health impacts is warranted.