District of Columbia Regulation
|District of Columbia |
| 20 DCMR, Chapter 4|
|Ambient Monitoring, Emergency Procedures, and Chemical Accident Prevention|
State Effective Date
Final Federal Register Date
Federal Register Citation #
|75 FR 29894|
|Historical information -|
1. EPA has approved a SIP revision to this regulation, adding Section 403- General Conformity, which became effective on August 4, 2003.
2. The chapter title is revised, and Section 403 is removed from the SIP. The SIP effective date is July 27, 2010.