Air Plan Approval; California; Mojave Desert Air Quality Management District
air-emissions · Rule · Published 2023-06-02 · Effective 2023-07-03 · CA · 88 FR 36249
Document
Document number
2023-11683
Federal Register citation
88 FR 36249
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2023-06-02
Effective date
2023-07-03
State
CA
EPA docket
EPA-R09-OAR-2021-0923
Abstract
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Mojave Desert Air Quality Management District (MDAQMD or "District") portion of the California State Implementation Plan (SIP). This revision concerns emissions of oxides of nitrogen (NO<INF>X</INF>) from Portland cement kilns. We are approving a local rule that regulates these emission sources under the Clean Air Act (CAA or the Act). Approving this rule corrects a deficiency identified in MDAQMD's reasonably available control technology (RACT) demonstrations for the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) and the 2008 8-hour ozone NAAQS.