Approval of the Clean Air Act Section 112(l) Delegation of National Emission Standards for Hazardous Air Pollutants for Reinforced Plastic Composites Production; Indiana

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This document announces that, upon signature of this notice, EPA approved a request from the Indiana Department of Environmental Management (IDEM) for delegation of authority to implement and enforce the National Emission Standards for Hazardous Air Pollutants (NESHAP) for reinforced plastic composites production through a State rule which adjusts the maximum achievable control technology (MACT) standard for reinforced plastic composites production. Pursuant to the Clean Air Act (CAA) and the NESHAP provisions, states may seek approval of State rules which make pre-approved adjustments to a MACT standard if the State rule is unambiguously no less stringent than the Federal rule. On June 20, 2005, IDEM requested approval to adjust the NESHAP for reinforced plastic composites production. EPA reviewed this request and found that it satisfied the requirements for approval under the Federal provision which allows for delegation of an adjusted NESHAP, "Approval of State requirements that adjust a section 112 rule." Therefore, upon the signature of this notice, EPA delegated to IDEM the authority to implement and enforce the NESHAP for reinforced plastic composites production, through IDE