Public Hearing: Air Quality Regulations

Date & Time:
Wednesday, October 27, 2021
6:00 pm


, Delaware

The DNREC Division of Air Quality will hold a virtual public hearing on proposed amendments to three parts of the Delaware Air Quality Regulations (Docket #2021-R-A-0009 through 0011). Comment period open through Nov. 11, 2021.

Connection Information

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Event Number: 179 845 2350
Password: DAQRegs
Dial-in Number: 1-408-418-9388
Closed-captioning available by request if made at least 7 days before the event.

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The hearing will address:

Amendments to 7 DE Admin. Code 1130 “Title V State Operating Permit Program” to update the public notice publication requirements, affirmative defense requirements, and list of greenhouse gases (GHGs) and their global warming potential (GWP) values to maintain consistency with EPA’s current federal regulations. (Docket #2021-R-A-0009)

Amendment to 7 DE Admin. Code 1102 “Permits” regarding public notice publication requirements for general permits to maintain consistency with the wording of the Environmental Protection Agency’s (EPA) current federal regulations. (Docket #2021-R-A-0010)

Amendments to 7 DE Admin. Code 1103 “Ambient Air Quality Standards” to update the National Ambient Air Quality Standards (NAAQS) for ground level ozone and the Code of Federal Regulations (CFR) reference dates for all NAAQS, and to remove the SO2 24-hour and annual primary standard to maintain consistency with EPA’s current federal regulations. (Docket #2021-R-A-0011)

The proposed amendments may be inspected online starting Oct. 1, 2021, in the Delaware Register of Regulations, or in-person, by appointment only, by contacting Taylor Englert by phone at 302-739-9402 or by email at

The Department will accept public comment through the close of business on Thursday, Nov. 11, 2021. Comments will be accepted in written form via email to, or by using the online form at, or by U.S. mail to the address below.

Docket #2021-R-A-0009, 0010 and 0011

Submit A Comment

Public Hearing Officer

Lisa A. Vest
DNREC Office of the Secretary
89 Kings Highway
Dover, DE 19901

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