# Approval and Promulgation of Air Quality Implementation Plans; Maryland; Offset Lithographic Printing and Letterpress Printing Regulations
> **Rule** · Final rule. · Published 2012-07-23 · Effective 2012-08-22 · 77 FR 43000
## Document
- **Document number:** 2012-17762
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 43000
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-07-23
- **Effective date:** 2012-08-22
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2012-0042
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the State of Maryland. The revision pertains to amendments to the Code of Maryland (COMAR) 26.11.19.11, Lithographic and Letterpress Printing. EPA is approving the revision to meet the requirements to adopt Reasonably Available Control Technology (RACT) for sources covered by EPA's Control Techniques Guidelines (CTG) for offset lithographic printing and letterpress printing in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/07/23/2012-17762/approval-and-promulgation-of-air-quality-implementation-plans-maryland-offset-lithographic-printing)
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