# Approval and Promulgation of Implementation Plans
> **Rule** · — · Published 2005-06-22 · 70 FR 36036
## Document
- **Document number:** 05-55508
- **Category:** other
- **Federal Register citation:** 70 FR 36036
- **CFR reference:** 40 CFR 52
- **Publication date:** 2005-06-22
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/06/22/05-55508/approval-and-promulgation-of-implementation-plans)
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