Michigan (Part 63) MACT Standards Delegations

Clean Air Act Section 112 Major and Area Source Standards

Clean Air Act Section 112 Major and Area Source StandardsIn May 1996, the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the EPA entered into a memorandum of Agreement (MOA) which set out a procedure to delegate to EGLE implementation authority for the 40 CFR, Part 63, National Emission Standards for Hazardous Air Pollutants (NESHAP) standards as they apply to Title V and non-Title V sources. For NESHAP standards as applicable to Title V sources (the majority classified as major sources of HAP) the MOA provides for delegation by letter to Michigan granting authority to implement such NESHAP standards, unless the State declines delegation. Although, not considered a true delegation, the MOA states EGLE can enforce the NESHAPs through a mechanism by enforcing the federally enforceable permit conditions once the State incorporates the NESHAP requirements into the source’s operating and/or construction permits.   For standards applicable to area sources, the MOA states that Michigan will adopt EPA NESHAPs by reference into State rules and will notify EPA when it has completed the adoption process. For any NESHAP EGLE incorporates by reference (IBR), including standards applicable to Part 70 and non-Part 70 sources, EPA will then delegate by letter granting implementation and enforcement authority of these standards to Michigan. Visit Michigan NSPS and NESHAP delegation page for additional documents.

Federal Register Documents for Approval of Section 112(1) Program of Delegation 

• Approval of Michigan’s Section 112(l) Program (Direct Final Rule) (pdf) (5pp) November 23, 1998 
• Approval of Michigan’s Section 112(l) Program (Proposal) (pdf) (1p) November 23, 1998

Memorandum of Agreement, Delegation Request, and Other Historical Documentation

• Michigan’s Delegation Approval for 40 CFR Part 63 Subparts OO, PP, JJJ, DDDD, ZZZZ, DDDDD, UUUUU and SSSSSS (pdf) (48.22 KB, Jul 19, 2019)
• Michigan Request for Delegation for 40 CFR Part 63 Subparts OO, PP, JJJ, DDDD, ZZZZ, DDDDD, UUUUU and SSSSSS (pdf) (595.45 KB, Dec. 20, 2018)
• Michigan Subpart Delegation Spreadsheet 2017 (pdf) (3.67 MB, Sep. 2017)
• Michigan’s delegation approval for 40 CFR Part 63 Subparts A, M, N, X, EEE, LLL, IIIII, EEEEEE, FFFFFF, MMMMMM, NNNNNN, SSSSSS, and VVVVVVV (pdf) (162.26 KB, Jul. 6 2015)
• Michigan’s Request for Delegation for 40 CFR Part 63 Subparts A, M, N, X, EEE, LLL, IIIII, EEEEEE, FFFFFF, MMMMMM, NNNNNN, SSSSSS, and VVVVVVV (pdf) (234.65 KB, Jun. 9, 2015)
• Michigan Request for Delegation for 40 CFR Part 63 Subparts O, RRR, VVV, GGGGG, YYYYY, ZZZZZ, and ZZZZZZ (pdf) (3.12 MB, Feb. 28, 2014)
• Michigan MOA Delegation Update (pdf) (170 KB, April 28, 2004)
• Michigan Attorney General Opinion (pdf) (12.7 MB, Sep. 10, 2001)
• Michigan 112 (l) Memorandum of Agreement (pdf) (1.89 MB, May 24, 1996)
• Michigan 112 (l) U.S. EPA MOA Request (pdf) (2.34 MB, May 8, 1996)
• Michigan 112 (l) U.S. EPA Completeness Review (pdf) (549.17 KB, Jan. 8, 1996)
• Michigan DEQ 112 (l) Delegation Request (pdf) (1.41 MB, Oct. 12, 1995)