# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; VOC and NOX RACT Determinations for Merck and Co., Inc.
> **Rule** · Final rule. · Published 2008-03-04 · Effective 2008-04-03 · 73 FR 11553
## Document
- **Document number:** E8-4038
- **Category:** air-emissions
- **Federal Register citation:** 73 FR 11553
- **CFR reference:** 40 CFR 52
- **Publication date:** 2008-03-04
- **Effective date:** 2008-04-03
- **State:** PA
- **EPA docket:** EPA-R03-OAR-2007-0534
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Pennsylvania (Pennsylvania or the Commonwealth). This revision establishes and requires reasonably available control technology (RACT) for a major source of volatile organic compound (VOC) and nitrogen oxide (NO<INF>X</INF>) pursuant to the Pennsylvania's SIP-approved generic RACT regulations. The VOC and NO<INF>X</INF> major source is Merck and Co., Inc. (Merck) located in Northumberland County, Pennsylvania. EPA is approving this revision in accordance with the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/03/04/E8-4038/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-voc-and-nox-ract)
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