Federal Register #EPA-R03-OAR-2019-0295

EPA Review of Maryland's NOx Emission Controls for Municipal Waste Combustors

The Environmental Protection Agency (EPA) is proposing to approve Maryland's updated air plan for controlling nitrogen oxides (NOx) emissions from municipal waste combustors (MWCs): - Government Buyer: - Environmental Protection Agency (EPA), Region III, Air & Radiation Division, Planning & Implementation Branch - Affected Facilities: - Montgomery County Resource Recovery Facility - Wheelabrator Baltimore, Inc. - Products/Requirements: - Implementation of updated NOx emission limits for large MWCs - Includes 24-hour block average and 30-day rolling average emission rates - Specific mass-based emission limits during startup and shutdown periods - Installation and operation of Continuous Emission Monitoring Systems (CEMS) for NOx - Facilities must continuously monitor NOx emissions - Quarterly compliance reporting to the Maryland Department of the Environment - Notable Requirements: - Applies to large municipal waste combustors in Maryland - Supports compliance with 2008 and 2015 ozone National Ambient Air Quality Standards (NAAQS) - No specific OEMs or vendors are named; requirements focus on emission control technology and monitoring systems

Description

The Environmental Protection Agency (EPA) is proposing to approve state implementation plan (SIP) revisions submitted by the State of Maryland. These revisions implement statewide reasonably available control technology (RACT) requirements by limiting air emissions of oxides of nitrogen (NOx) from municipal waste combustors (MWCs) in Maryland. The SIP revisions include updated NOx emission limits for large MWCs, continuous emission monitoring requirements, and specific emission standards during startup and shutdown periods. This action is taken under the Clean Air Act (CAA) and aims to ensure compliance with the 2008 and 2015 ozone national ambient air quality standards (NAAQS).

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