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Related Experiment Videos

Asbestos in drinking water: a status report.

J A Cotruvo

    Environmental Health Perspectives
    |November 1, 1983
    PubMed
    Summary

    Animal studies show asbestos in drinking water is not toxic. Epidemiologic evidence is weak, but controlling asbestos fiber in water is achievable and economical through filtration.

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    Area of Science:

    • Environmental Science
    • Toxicology
    • Public Health

    Background:

    • Asbestos fiber in drinking water is a concern for regulatory bodies.
    • Potential health risks associated with asbestos ingestion are debated.
    • Existing studies provide conflicting evidence on asbestos toxicity via ingestion.

    Purpose of the Study:

    • To review the impact of a conference on regulatory decisions for asbestos fiber in drinking water.
    • To evaluate the evidence for asbestos toxicity from drinking water exposure.
    • To discuss practical and economical methods for controlling asbestos in water.

    Main Methods:

    • Review of animal feeding studies on asbestos toxicity.
    • Analysis of epidemiologic evidence for ingestion risks.
    • Consideration of water treatment and source control methods.

    Main Results:

    • Animal lifetime exposure studies did not demonstrate asbestos toxicity.
    • Epidemiologic data on asbestos ingestion risk is not convincing.
    • Standard and augmented filtration are effective for natural asbestos fibers.
    • Correcting water corrosivity is key for asbestos-cement pipe sources.

    Conclusions:

    • The risk of asbestos in drinking water has not been definitively proven by animal or epidemiologic studies.
    • Practical and economical methods exist to minimize asbestos fiber in drinking water.
    • Addressing water corrosivity is essential when asbestos-cement pipes are the source.

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