*             State:    Pennsylvania 

*             Agency:               PA-Allegheny County Health Department

*             Regulation Type:              Rule

*             Rule #:  Pennsylvania SIP, Allegheny County Health Department ACHD Article XXI, Part A, Regulation 2101.20 General- Definitions Previous 70 FR 36511

*             Rule Title:           General- Definitions                      

*             State Effective Date:      7/10/2003

*             Final Federal Register Date:         6/24/2005

*             Federal Register Citation #:          70 FR 36511

               Superseded /

                Rescinded Date              

               Comments:

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).

4.  added definitions for Outdoor Wood-fired boiler  12/8/14

5. Revision to add three new VOC compound CTG definitions 79 FR 70470 11-26-14 SIP effective 12/26/14

6. revised definitions for Major Source and Major modification  SIP effective 4-29-15...80 FR 16568 FR date 3-30-15