Case-By-Case MACT

Air Toxics Notebook

Case-By-Case MACT

Applicability

eCFR Subpart B [ecfr.gov]

Subpart B implements Sections 112(g)(2)(B) and (j) of the Clean Air Act:

Section 112(g)(2)(B)
- Requires new or reconstructed Major Sources of hazardous air pollutants to apply case-by-case maximum achievable control technology (MACT), if no NESHAP applies.
Section 112(j)
- Requires Major Sources of Hazardous Air Pollutants to obtain a Title V operating permit with case-by-case MACT requirements, if they are within a listed source category where EPA was required to promulgate a standard and no standard exists.

Rules apply to small, area sources?

Date of Original Final Rule

1994-05-20

Amendments Dates

07/11/2005 (70 FR 39664)
05/30/2003 (68 FR 32586)
04/05/2002 (67 FR 16582)
06/30/1999
05/14/1999
12/27/1996 (61 FR 68384)
05/10/1996

State Regulations

Title 129, Chapter 27, Section 003 and 005. Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR.

Federal Regulations

63.40 - 63.44 - 112(g) requirements 63.50 - 63.56 - 112(j) requirements

Related Rules

NESHAP - 40 CFR Part 63

Subpart A - General Provisions
Subpart C - List of Hazardous Air Pollutants, Source Categories
Subpart D - Compliance Extensions for Early Reductions of HAPs

Regulations and Federal Registers

eCFR Subpart B [ecfr.gov]

On March 30, 2010, EPA proposed to amend the rule governing case-by-case emission limits for major sources of hazardous air pollutants under section 112(j) of the Clean Air Act. The porposed rule was never made final.

85 KB	1B - Fed. Reg. 2010-03-30 - Proposed Rule.pdf
179 KB	1B - Fed. Reg. 2005-07-11 - Final Rule.pdf
223 KB	1B - Fed. Reg. 2003-05-30 - Final Rule.pdf
275 KB	1B - Fed. Reg. 2002-04-05 - Final Rule.pdf
229 KB	1B - Fed. Reg. 1996-12-27 - Final Rule.pdf