Proposed TSCA Significant New Use Rules SNUR

EPA has announced Significant New Use Rules (SNURs) under section 5(a)(2) of the Toxic Substances Control Act (TSCA) for 15 chemical substances, which were the subject of premanufacture notices (PMNs). Three of these chemical substances are subject to TSCA section 5(e) consent orders issued by EPA. The effective date of this rule is April 2, 2010, unless EPA receives written adverse or critical comments, or notice of intent to submit adverse or critical comments before March 3, 2010.

This action requires persons who intend to manufacture, import, or process any of these 15 chemical substances for an activity that is designated as a significant new use by the rule to notify EPA at least 90 days before commencing that activity. The notification will provide EPA with the opportunity to evaluate the intended use and, if necessary, to prohibit or limit that activity before it occurs.

If EPA receives written adverse or critical comments, or notice of intent to submit adverse or critical comments, on one or more of these SNURs before March 3, 2010, EPA will withdraw the relevant sections of the final rule before its effective date. EPA will then issue a proposed SNUR for the chemical substance(s) on which adverse or critical comments were received, providing a 30–day period for public comment.

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