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Public Hearing: Proposed Amendments to Delaware Air Regulations



Division of Air Quality

Published: Sept. 19, 2021
Comments Due: Nov. 11, 2021

The Department of Natural Resources and Environmental Control (DNREC) will conduct a public hearing (Docket # 2021-R-A-0009 through 0011) on proposed amendments to Delaware air regulations. The hearing will address:

  • 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.
  • 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.
  • 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.

A virtual public hearing will be held on Wednesday, October 27, 2021 beginning at 6 p.m. The web link to the virtual hearing can be accessed through the DNREC Public Hearings site at de.gov/dnrechearings. If prompted for a password, please use: DAQRegs. To access the audio-only portion of the virtual hearing, dial 1-408-418-9388 and enter the event code 179 845 2350. Closed-captioning is available by request if made at least 7 days before the event.

Those wishing to offer verbal comments during DNREC public hearings must pre-register no later than noon of the date of the virtual hearing at de.gov/dnreccomments or by telephone at 302-739-9295.

The proposed amendments may be inspected online starting October 1, 2021 at regulations.delaware.gov/services/current_issue.shtml, or in-person, by appointment only, by contacting Taylor Englert by phone at 302-739-9402 or by email at Taylor.Englert@delaware.gov.

The Department will accept public comment through the close of business on Thursday, November 11, 2021. Comments will be accepted in written form via email to DNRECHearingComments@delaware.gov, or by using the online form at de.gov/dnreccomments, or by U.S. mail to the following address:

Lisa A. Vest, Hearing Officer
Office of the Secretary
Department of Natural Resources and Environmental Control
89 Kings Highway
Dover, DE 19901




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