Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

1979 Ozone NAAQS Planning Efforts

1979 Standard Boundaries
 
Request for Termination of CAA Section 185 Fee Requirements Cover letter  and Technical Support Document . December 29, 2017

1-hour Ozone Mid-Course Review Cover Letter  and Technical Report  submitted to EPA. January 10, 2005

SIP dated October 15, 2001

Content Last Updated January 25, 2022