## DISTRICT OF COLUMBIA REGISTER VOL. 61 - NO. 48 NOVEMBER 21,2014


# DISTRICT DEPARTMENT OF THE ENVIRONMENT NOTICE OF PUBLIC HEARING ON AIR QUALITY ISSUES Second Proposed Rulemaking to Regulate the Interstate Transport of Nitrogen Oxide (NOx) Emissions from Non-Electric Generating Unit (EGU) Sources and Proposed Revision ofthe District's State Implementation Plan (SIP) Notice is hereby given that a public hearing will be held on January 5, 2015, at 5:00p.m. in Room 555 at 1200 First Street, N.E., 5th Floor, in Washington, D.C. This hearing provides interested parties an opportunity to comment on the District's proposed rulemaking and proposed State Implementation Plan (SIP) revision. Once finalized, the regulation will be submitted to the United States Environmental Protection Agency as a SIP Revision in order to meet the requirements of section 110(a)(2)(D)(i)(I) ofthe Clean Air Act (42 U.S.C. § 7410(a)(2)(D)(i)(I) (2010)) in accordance with 40 C.P.R. Part 51. Title 20 (Environment) of the District of Columbia Municipal Regulations (DCMR), Subtitle A, Air Quality, Chapter 10 is being repealed in its entirety and replaced with a source category NOx emissions cap. The repeal is necessary to remove outdated requirements for electric generating units (EGUs) that are currently controlled through Federal regulation. Also, a definition and an abbreviation in Chapter 1 are being amended. The proposed regulation is necessary to maintain emissions limits for one remaining facility that was covered under Chapter 10 but is not an EGU: the United States General Services Administration Central Heating and Refrigeration Plant. The proposed regulation is available for public review during normal business hours at the offices ofthe District Department ofthe Environment (DDOE), 1200 First Street, NE, Washington, D.C. 20002, and on-line at http://ddoe.dc.gov/ddoe. Interested parties wishing to testify at this hearing must submit in writing their names, addresses, telephone numbers, and affiliation, ifany, to Mr. William Bolden at DDOE by 4:00 p.m. on January 5, 2015. Interested parties may also submit written comments to Ms. Jessica Daniels, DDOE Air Quality Division, at 1200 First Street, NE, 5th Floor, Washington, DC 20002, or by email at jessica.daniels@dc.gov. No written or email comments will be accepted after January 5, 2015. For more information or to find out ifthe public hearing has been canceled, contact Ms. Jessica Daniels at 202-741-0862 or by email.

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# Notice ofSecond Proposed Rulemaking - Air 

# Quality- Comment P eriod and Hea ring 

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### l.isbn Friday, November 21 , 2014 

## Notice of Second Proposed Rul emaking • Air Quality - Comment Period and Hearing

Secon d Proposed Rulemakln g to Regulat e the Interstate Trsnaport of Nitrogen Oxide (NO.) Emission• 

### from Non -€1ectrlc Generating Unit (EG U) Sources and Proposed Revision of the Dlatrlct'a State Implementation Pl an (SIP) Notice is hereby given that a public hearing WHI be held on J1nuary 5, 2015 , at S 00 p m m Room 555 It 1200 

### FIYSI Street, N 

### E. , 5" Floor m Washmgton . DC Th11 

### heanng proVIdes interested parues In opportumly to comment on the Dtstncra proposed rulemak1ng and 

### proposed State lmplementatton Plan (SIP) revts1011 . Once finaliZed the regulabon will be submitted to the Untied States Envtronmental ProtectiOn Agency as a SIP Re111sion in order 10 meet 

### the reqwements of aecliOil 11 O(a)(2)( D)(t ) ( I ) of the Clean Air Act (42 U S C 

### § 7410(aX2)(D)(t)(l) (2010)) 111 accordance with 40 C FR . Part 51 Tt1le 20 (Envoronment) of the District of Columbta Munoctpal Regulations (DCMR) . Subld!e A, Atr Ouahty. Chapter 10 IS bemg repealed In tiS enbrety and replaced With a source category NO. emissions cap. The repeal Is necessary 10 remove ouldated reqwements for 

### electric generaung umts (EGUs) lhlt are currendy controlled through Federal regulation Also. a definltoon and an abbreviation in Chapter 1 are being amended The proposed regulatiOn is necessary to maintain emlnlona ltmtls tor one remamtng faohly that was covered under Chapter 10 but1s not an EGU 

### the Untied States General Services AdmtnlstratiOil Central Healing and Refngeratton Plant The proposed regulation is available tor public r eview as an attachment below. Interested parties wtshing to tesbty at this hearing must submit In writing t heir names, addresses, telephone numbers. and affiliation , if any, to Mr Wllltam Bolden at DDOE by 4 00 p. m on January 

## s. 2015 Interested parties may also aubm1t wntten comments to Ms Jessoca Daniels, DOOE AJr Quafity Divis1on , at 1200 First Street , NE. 5 01 Floor, Washington. DC 20002. or by email atjessica danoele@dc gov. No written or email comments wtU 

### be accepted after January S, 201 S For more tntormiUon or to find out 

### If the public heanng has been canceled . contact Ms Jessoca Dantets 11 202-741-0862 0! 

### byemat Attachmenl(a) : 

# I - 1215 KB lnlerstate Transport of NOx Second PropoMd Rufemektng __ Rtlatad Content: • Publoc NotJCes & Heanngs



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