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DEPARTMENT OF NATURAL RESOURCES AND ENVIRONMENTAL CONTROL

Division of Air Quality

Statutory Authority: 7 Delaware Code, Section 6010(a) and (c); (7 Del.C. §6010(a) & (c))

GENERAL NOTICE

REGISTER NOTICE

SAN # NA

Delaware’s Proposed Visibility State Implementation Plan (SIP) Revision

1. TITLE OF THE REGULATIONS:

Delaware’s Proposed Visibility State Implementation Plan (SIP) Revision.

2. BRIEF SYNOPSIS OF THE SUBJECT, SUBSTANCE AND ISSUES:

The federal Clean Air Act mandates protection of visibility in Class I federal areas, such as national parks, forests and wilderness areas. Under the 1999 Regional Haze Rule, states are required to develop a serie of State Implementation Plans (SIPs) to reduce visibility impairment; with the express intent that, by 2064 the visibility in the Class I areas will be returned to natural conditions. States are required to develop a series of SIPs to address visibility impairment in Class I areas and make reasonable progress toward achieving natural visibility conditions. This proposed SIP covers the 2nd implementation period of 2018 - 2028.

3. POSSIBLE TERMS OF THE AGENCY ACTION:

None.

4. STATUTORY BASIS OR LEGAL AUTHORITY TO ACT:

7 Del.C. Ch. 60, Section 6010 (a) and (c).

5. OTHER REGULATIONS THAT MAY BE AFFECTED BY THE PROPOSAL:

None.

6. NOTICE OF PUBLIC COMMENT:

A virtual public hearing (Docket # 2021-R-A-0019) will be held on Wednesday, December 29, 2021 beginning at 6 p.m. The web link to the virtual hearing can be accessed through the DNREC Public Hearings site at https://de.gov/dnrechearings. If prompted for a password, please use: RegHazeSIP. To access the audio-only portion of the virtual hearing, dial 1-408-418-9388 and enter event code 2349 508 0655. Closed-captioning is available by request if made at least 7 days before the event.

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

The proposed SIP may be inspected online starting December 1, 2021 at http://regulations.delaware.gov/services/current_issue.shtml or in-person, by appointment only, by contacting Renae Held by phone at 302-739-9402 or by email at Renae.Held@delaware.gov.

The Department will accept public comment through the close of business on Thursday, January 13, 2022. Comments will be accepted in written form via email to DNRECHearingComments@delaware.gov, or by using the online form at https://de.gov/dnreccomments, or by U.S. mail to the following address:

Lisa Vest, Hearing Officer

DNREC – Office of the Secretary

89 Kings Highway, Dover, DE 19901

PREPARED BY:

Renae Held

Division of Air Quality-DNREC

100 W. Water Street, Suite 6A, Dover, DE 19904

Phone: (302)739-9402; email: Renae.Held@delaware.gov

*Please Note: Due to the size and formatting requirements of the notice documents, they are being attached here as a series of PDF documents:

http://regulations.delaware.gov/register/december2021/general/DE DRAFT 2018 Regional Haze SIP 11-15-21.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 1-1 Selection of States for MANE-VU RH Consultation.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 3-1 Final Interim Principles for Regional Planning.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 4-1 Federal Land Manager Comments and Delaware Response.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 7-1 MARAMA Inventory TSD 2011 Gamma Emissions Inventory.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 7-2 OTC MANE-VU 2011 Based Modeling Platform Support Document.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-1 Nature of Fine Particle and RH Air Quality Problems.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-2 Contributions to RH in the NE and Mid-Atlantic.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-3 MANE-VU Updated QC over d Contribution Assessment - Final.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-4 2016 Updates to the Assessment of Reasonable Progress.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-5 2016 MANE-VU CALPUFF Modeling Report.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-6 RH Metrics Trends and HYSPLIT Trajectory Analyses.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-7 McKee Run Permit Cancellation Letter.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-7 Recommendation on Approaches to Selecting 20 Percent.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-8 Analysis of Speciation Trends Network Data for Delaware.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-8 Recommendation on Approaches to Selecting 20 Percent Most Impaired Days.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-9 Analysis of Speciation Trends Network Data for Delaware.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-9 Inter-RPO StateTribal and FLM Consultation Framework.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-10 Inter-RPO StateTribal and FLM Consultation Framework.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-10 MANE-VU RH Consultation Plan.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-11 MANE-VU Regional Haze Consultation Report.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-11 MANE-VU RH Consultation Plan.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-12 MANE-VU Regional Haze Consultation Report.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-12 National Park Service Letters.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 8-13 National Park Service Letters.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 9-1 MANE-VU Intra-Regional Ask.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 9-2 Inter-RPO Consultation Briefing Book.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 9-3 Intra-Regional Ask.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 9-4 MANE-VU FLM Ask.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 10-1 Facility Responses to Ask Information Requests.pdf

http://regulations.delaware.gov/register/december2021/general/Appendix 10-2 Calpine Title V Operating Permits.pdf

25 DE Reg. 635 (12/01/21) (Gen. Notice)
 
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