# Approval and Promulgation of Implementation Plans; State of Missouri; Infrastructure SIP Requirements for the 2008 Lead National Ambient Air Quality Standard
> **Rule** · Final rule. · Published 2014-08-19 · Effective 2014-09-18 · 79 FR 48994
## Document
- **Document number:** 2014-19536
- **Category:** air-emissions
- **Federal Register citation:** 79 FR 48994
- **CFR reference:** 40 CFR 52
- **Publication date:** 2014-08-19
- **Effective date:** 2014-09-18
- **State:** MO
- **EPA docket:** EPA-R07-OAR-2014-0290
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Missouri addressing the applicable requirements of Clean Air Act (CAA) section 110 for the 2008 National Ambient Air Quality Standards (NAAQS) for Lead (Pb). Section 110 requires that each state adopt and submit a SIP to support implementation, maintenance, and enforcement of each new or revised NAAQS promulgated by EPA. These SIPs are commonly referred to as "infrastructure" SIPs. The infrastructure requirements are designed to ensure that the structural components of each state's air quality management program are adequate to meet the state's responsibilities under the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/08/19/2014-19536/approval-and-promulgation-of-implementation-plans-state-of-missouri-infrastructure-sip-requirements)
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