>This kind of overlap with OSHA's area of responsibility has been going on for decades. For example, EPA ground water contamination standards and related requirements have been used to require in-plant solvent exposure from plumes of ground water solvent contamination to meet EPA community limits, which are often much lower than OSHA's occupational limits.

Do you know what triggers EPA to enforce these standards?
Do they do general inspections of in-plant settings or is this based on complaints, as OSHA is, mostly?

- Ralph

Ralph Stuart, CIH, CCHO
ralph**At_Symbol_Here**rstuartcih.org

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