Notice of Public Hearing: State Implementation Plan Revision

Division of Air Quality

Published: July 19, 2020
Public comment period open through Sept. 10, 2020.

The Department of Natural Resources and Environmental Control (DNREC), Division of Air Quality (AQ) will conduct a virtual public hearing (Docket #2020-R-A-0011) on the proposed revision to Delaware’s State Implementation Plan (SIP). The hearing will address the Delaware 2017 Base Year SIP Emissions Inventory under the 2015 Ozone National Ambient Air Quality Standard (NAAQS).

The virtual public hearing will be held on Wednesday, August 26, 2020, beginning at 6:00 PM. A web link to the virtual hearing will be posted on the DNREC Public Hearings site at If prompted for a password, please use JWgP5s28xum. To access the audio-only portion of the virtual hearing, dial in at 1-408-418-9388 and enter event code 718 369 262. Closed-captioning is available by request if made at least 7 days before the event.

The objective of the proposed SIP revision is to establish Delaware’s 2017 base year emissions inventory to meet the requirements according to Section 182(a)(1) of the Clean Air Act and the US Environmental Protection Agency’s implementation rule for the 2015 Ozone NAAQS.

The proposed SIP revision may be inspected online as of August 1, 2020 at or in-person by appointment only by contacting Jacquelyn L. Cuneo by phone at 302-739-9402; or by email at

For additional information on this proposed regulatory promulgation, visit

The hearing record will remain open for at least 15 days following the date of this hearing. The Department will accept public comment through the close of business on Thursday, September 10, 2020 and comments pertaining to the above proposed SIP revision will only be accepted in written form via:
Online Form 
or via USPS to the following address:

Theresa Smith, Hearing Officer
DNREC — Office of the Secretary
89 Kings Highway, Dover, DE 19901