# Approval and Promulgation of Air Quality Implementation Plans; Delaware; Section 110(a)(2) Infrastructure Requirements for the 2008 Lead National Ambient Air Quality Standards
> **Rule** · Final rule. · Published 2012-09-10 · Effective 2012-10-10 · 77 FR 55419
## Document
- **Document number:** 2012-22086
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 55419
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-09-10
- **Effective date:** 2012-10-10
- **State:** DE
- **EPA docket:** EPA-R03-OAR-2012-0376
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the State of Delaware. The SIP revision addresses the infrastructure elements specified in section 110(a)(2) of the Clean Air Act (CAA), necessary to implement, maintain, and enforce the 2008 lead national ambient air quality standards (NAAQS). EPA is approving this SIP revision in accordance with the requirements of the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/09/10/2012-22086/approval-and-promulgation-of-air-quality-implementation-plans-delaware-section-110a2-infrastructure)
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