# Air Quality Designations for the 2008 Lead (Pb) National Ambient Air Quality Standards
> **Rule** · — · Published 2011-12-06 · 76 FR 76048
## Document
- **Document number:** C1-2011-29460
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 76048
- **CFR reference:** 40 CFR 81
- **Publication date:** 2011-12-06
- **EPA docket:** EPA-HQ-OAR-2009-0443
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/12/06/C1-2011-29460/air-quality-designations-for-the-2008-lead-pb-national-ambient-air-quality-standards)
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