# Approval and Promulgation of Air Quality Implementation Plans; Maryland; Reasonable Further Progress Plan, Contingency Measures, Motor Vehicle Emissions Budgets for the Baltimore 1997 8-Hour Ozone Serious Nonattainment Area
> **Rule** · Final rule. · Published 2016-08-01 · Effective 2016-08-31 · 81 FR 50360
## Document
- **Document number:** 2016-17781
- **Category:** air-emissions
- **Federal Register citation:** 81 FR 50360
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-08-01
- **Effective date:** 2016-08-31
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2015-0788
## Abstract

The Environmental Protection Agency (EPA) is approving the serious nonattainment area reasonable further progress (RFP) plan for the Baltimore serious nonattainment area for the 1997 8-hour ozone national ambient air quality standard (NAAQS). The SIP revision includes 2011 and 2012 RFP milestones, contingency measures for failure to meet RFP, and updates to the 2002 base year inventory and the 2008 reasonable RFP plan previously approved by EPA. EPA is also approving the transportation conformity motor vehicle emissions budgets (MVEBs) associated with this revision. This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/08/01/2016-17781/approval-and-promulgation-of-air-quality-implementation-plans-maryland-reasonable-further-progress)
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