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Appendix K - Tungsten Information - STATES

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...Regulatory Measures to Protect Human Health continued<br />

Neither the United States Environmental Agency (US EPA), the MassDEP nor other federal and state<br />

agencies have set regulations or guidelines to regulate tungsten in the ambient air, drinking water, or<br />

soil, because of inadequacies in the toxicity database. As noted above, tungsten was recently nominated<br />

for toxicity testing under the National Toxicology Program. Additionally, the Toxic Substances<br />

Control Act (TSCA) Interagency Testing Committee (ITC) revised the Priority Testing List by adding<br />

20 tungsten compounds.<br />

June 2006<br />

Contact for More <strong>Information</strong><br />

If you have any morequestionsor concerns,pleasecontactMassDEPat 617-292-5998or 617-292-5842.<br />

OFFICE OF RESEARCH AND STANDARDS 4

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