# Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Pennsylvania; Large Municipal Waste Combustors (MWCs)
> **Rule** · Direct final rule. · Published 1999-08-23 · Effective 1999-10-22 · 64 FR 45880
## Document
- **Document number:** 99-21658
- **Category:** air-emissions
- **Federal Register citation:** 64 FR 45880
- **CFR reference:** 40 CFR 62
- **Publication date:** 1999-08-23
- **Effective date:** 1999-10-22
- **State:** PA
- **EPA docket:** PA118-4080a
## Abstract

EPA is granting conditional approval of the Commonwealth of Pennsylvania's municipal waste combustor (MWC) 111(d)/129 plan submitted by the Pennsylvania Department of Environmental Protection, Bureau of Air Quality, on April 27, 1998, and as amended on September 8, 1998. This action is a conditional approval because the submitted plan does not contain an expeditious compliance schedule for the supplemental MWC emissions guidelines (EG) limits promulgated on August 25, 1997. The plan was submitted to fulfill requirements of the Clean Air Act (CAA), and the EG that are applicable to existing MWC facilities with an individual unit combustor capacity greater than 250 tons per day (TPD) of municipal solid waste. An existing MWC unit is one for which construction commenced on or before September 20, 1994.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/08/23/99-21658/approval-and-promulgation-of-state-air-quality-plans-for-designated-facilities-and-pollutants)
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