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Pennsylvania Regulation

PA-Allegheny County Health Department
Regulation Type
Rule #
ACHD Article XXI, Part A, Regulation 2101.20
Rule Title
General- Definitions
State Effective Date
Final Federal Register Date
Federal Register Citation #
79 FR 54
Superseded /
Rescinded Date
1. Added definitions (Section II.), with a SIP effective date of 8/23/05
2. Added definitions (Section III.) , with a State effective date of 5/24/10 and a SIP effective date of 2/28/11.
3. 2. Addition of "PM2.5 standards." The State effective date is 5/24/10, and the SIP effedctive date is 2/3/14 (79 FR 54).

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