Coal Tar Pitch Volatiles


Coal tar pitch volatiles (CTPVs) are composed of various chemical vapors that become airborne during the heating of coal tar pitch. Coal tar pitch is a black or dark-brown amorphous residue produced by the distillation or heat treatment of coal tar. It is a solid at room temperature and exhibits a broad softening range instead of a defined melting temperature. Synonyms for CTPVs vary depending upon the specific compound (e.g., pyrene, phenanthrene, acridine, chrysene, anthracene and benzo(a)pyrene). [Note: National Institute for Occupational Safety and Health (NIOSH) considers coal tar, coal tar pitch, and creosote to be coal tar products.]


OSHA has not established a substance-specific standard for occupational exposure to coal tar pitch volatiles (CTPVs) however exposures are regulated under OSHA's air contaminants standard for general industry, maritime, and construction.

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Hazard Recognition

Provides information about the health effects of CTPVs.

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Evaluating Exposure

Provides references that may aid in evaluating levels of CTPVs.

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Possible Solutions

Provides information on how to control exposures to CTPVs as well as the exposure limits established for CTPVs and related substances.

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Additional Resources

Provides links and references to additional resources related to CTPVs.

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