Approval and Promulgation of Implementation Plans; Indiana; Volatile Organic Compound Emission Control Measures for Industrial Solvent Cleaning for Northwest Indiana

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On May 29, 2012, the Indiana Department of Environmental Management (IDEM) submitted revisions to its volatile organic compound (VOC) industrial solvent cleaning rule for manufacturers of coatings, inks, adhesives, and resins for approval into its State Implementation Plan (SIP). These revisions are approvable because they are consistent with EPA's Industrial Solvent Cleaning Control Technique Guideline (CTG) document and therefore satisfy the reasonably available control technology (RACT) requirements of the Clean Air Act (Act).