# Air Plan Approval; Missouri; Control of Emissions From Lithographic and Letterpress Printing Operations
> **Rule** · Final rule. · Published 2020-07-22 · Effective 2020-08-21 · 85 FR 44211
## Document
- **Document number:** 2020-15498
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 44211
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-07-22
- **Effective date:** 2020-08-21
- **State:** MO
- **EPA docket:** EPA-R07-OAR-2020-0241
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Missouri for a regulation that controls emissions from lithographic and letterpress printing operations. This final action will amend the SIP to remove the use of restrictive words; add, replace and revise terms and definitions to match SIP-approved terms and definitions in Missouri's rule Definitions and Common Reference Tables; add a new printing category to the rule that provides consistency with the St. Louis area counterpart rule; and make other changes that are administrative in nature. The EPA's approval of these rule revisions is being done in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/07/22/2020-15498/air-plan-approval-missouri-control-of-emissions-from-lithographic-and-letterpress-printing)
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