Notice of Proposed Rulemaking Before The Environmental Quality Council By the Department of Environmental Quality Air Quality Division (AQD)

The Environmental Quality Council (EQC) will hold a public hearing beginning at 9:00 AM on September 12, 2013

. The hearing will be held at the Herschler Building, Conference Room 1699 , 122 W. 25 th Street, Cheyenne

, Wyoming.

The Wyoming Department of Environmental Quality, Air Quality Division (AQD or Division) , will be bringing a proposed rulemaking before the EQC. The proposed rulemaking will involve revising Wyoming Air Quality Standards and Regulations (WAQSR) Chapter 3, General Emission Standards ; Chapter 4, State Performance

Standard s for Specific Existing Sources; Chapter 5, National Emission Standards; Cha pter 6, Permitting Requirements; Chapter 8, Nonattainment Area Regulations, and Chapter 11, National Acid Rain Program

. Chapter 3, Section 2, Emission standards for particulate matter, is being revised to addr ess the treatment of excess emis sions. Chapter 4, Section 5, Existing hospital/medical/infectious waste incinerators, is being updated so that State regulations match federal guidelines. Revisions to Chapter 5, Section 2, New source performance standards, and Section 3, National emissi on standards for hazardous air pollutants, are being proposed to reflect changes in the

federal versions of these rules . Revisions to Chapter 6, Section 4, Prevention of significant deterioration, include updating the rules to 1) specifically list new min or source baseline dates for fine particulate, 2) include revised federal language on the treatment of condensable particulate matter, and 3) clarify when the maximum allowable increment is exceeded for particulate matter. Chapter 8 is being reorganized a nd new section s are being incorporated. Section 5 is a new section entitled Ozone nonatt ainment emission inventory rule. It will establish requirements for the submittal of emission inventories from facilities or sources located in an ozone nonattainment area(s) pursuant to the requirements of Sect ion 182 of the Clean Air Act. Other sections are reserved for future rulemaking purposes

. Chapter 11, Section 2, Acid rain program, is an annual update to portions of the State Air Regulations which are adopted verbatim by reference from the CFR. Section 9 of Chapter 3; Section 6 of Chapter 4; Section 4 of Chapter 5; Section 14 of Chapter 6; Section 10 of Chapter 8, and Section 2 of Chapter 11 are all Incorporation by reference sections, and a re being updated to adopt by reference from the Code of Federal Regulations (CFR) as of July 1, 2012. Chapter 3, Sections 2 and 9; Chapter 6, Sections 4 and 14, and Chapter 8, Sections 5 and 10, involve changes to the State Implementation Plan (SIP) to sa tisfy Clean Air A ct Sections 110, 166, and 182

. The AQD will submit these SIP changes to the EPA.

The notice for submitting written comments on the W DEQ/AQD proposed revisions was first published on July 15

, 2013

. The written comment period will close on August 29 , 2013

. Written comments will also become a part of the public record if they are signed by the commenter and submitted to Administrator, W DEQ/AQD, Herschler Building

2

- E, 122 W. 25 th Street, Cheyenne, Wyoming, 82002, or f axed to 307

- 777

- 5616

. Copi es of the public notice, Notice of Intent to Adopt Rules, and the proposed rules are available for public inspection at the Department of Environmental Quality, Air Quality Division, Herschler Building, 2 nd Floor, 122 W. 25 th Street, Cheyenne, Wyoming. Electronic copies are available at http://deq.state.wy.us/aqd/index.asp and the EQC website stated below

. If you have questions regarding the proposed rules, contact Christine Anderson, Air Q uality Division, at 307

- 675

- 5624

.

On September 9, 2013, t he WDEQ/ AQD will file an analysis of the co mments received

. The EQC has scheduled the public hearing on September 12, 2013

. The EQC will consider the proposed rules, written comments, and the analysis of comments, along with any modifications proposed by the WDEQ/ AQ D to the draft rules. At the publ i c h ea rin g
, o r a l stat e ments that f o c us on the w r i t ten c om m e nts, t h e DE Q ’s a n a l y sis of c o m m e nts a nd is s u e s r a is e d b y the a n a l y sis will be a c c e pted. Comments submitted during the comment period can be viewed at the EQC website: http://eqc.state.wy.us/docket.htm u nder the link titled “ 13

- 2101 ”

.

Any person wishing to use a digital presentation during their testimony before the EQC must provi de a digital copy to the EQC no less than 3 day s prior to the hear ing unless you contact the EQC and request an extension for good

cause. Failure to submit a digital copy in a timely manner will result in the perso n not being allowed to use the presentation during their testimony.

T he EQC may convene a meeting to deliberate and make a decision on these rules at the end of the hearing. The EQC also has the option to extend the public comment period on these rules. If the comment period is extended, the extension will be posted on the Air Quality website as well as the website for the Environmental Quality Council http://deq.state.wy.us/eqc/index.asp

.

In accordance with the Americans with Disabilities Act, special assistance or alternative formats will be made available upon request for individuals with disabilities