# Snell & 

# W il mer

---- LLP.

---- LAW O FFICES 0 1

w Ariw n a Ccn 11 ·r 400 E. V an Bure n, S ui11· 1900 Ph oe nix, Al 8 500 4 -2202 602. 382
.6000 602
. 382.6070 (Fax)**W.~wbw.con1** Amanda A. Ree ve

(602 ) 382.Q L 77 areeve@ swlaw.com
Environmen tal Protecti on Age n cy December 8, 2015

Public Heari ng re Proposed EER Mod i fica ti ons Rule and D raft G u idance Re: EPA Public Hearing R e EPA Docket Nos.: DENVER LAS VEGAS LOS ANGEi ES

LOS CABOS OR ANGE COU NTY l'llOl!N I X R l!NO SALT LAl:E CITY TUCSON

E P A-HQ-OAR-2013

- 0572: Treatme n t of Data I nfl u enced by Exceptional Events E P A-HQ-OAR-2015-0229: Draft Guidance on the Preparation of Exceptional Events Demonstrations for Wildfire Events that May Influence Ozone Concentrations
My name is Amanda Reeve
. I an1 an Environme n t and Regu la tory Po li cy Adv i sor with Snell & Wi l mer L.L.P. l am here speaking on my own behalf as well as a member of the Environment Committee with Arizona Rock Products Association ( " ARPA " ) , per the request of the Association ' s President. ARPA represents 43 producers of aggregate, hot mixed asphalt, ready mixed conc rete and cement. We have 584 opera tio n s s ta t ewide. Fo rmerl y, I served i n the Arizo n a H o u se of R ep r esent a t ives fro m Feb ru ary 20 10 to Ja nu ary 20 1 3. Du r i ng my te nure in the legislature and as the Chair of the Ho u se Environment Committee, I was thoro u g hl y engrossed i n working with the EPA , Arizona Department of Environmental Quality a n d other state and local regulatory agencies on addressing Arizona's air quality issues, most especially the functionality and efficiency of the 2007 Exceptional Events Ru le. My invo l vement in worki ng o n Ar izo n a's a ir q u a li ty i ssues, incl udin g advocat in g fo r revisions to the Exceptional Events R ul e, has been co n tinuous s ince 2010. I n fac t , A RPA and I would like to thank Senator Jeff F lake and his office for working with EPA Adm i nistrator Gina McCarthy in scheduling the Novembe r 20 , 2013 l istening session that provided Arizona s takeholders the opportunity to speak directly with EPA ' s Office of Ai r and Radiation ' s Actin g

Sn o ll & \l'A lmor is a member of L EX MUND I
. T ho Load i ng Assoc i alion of lndepond o nl L a w Fi rm s .

# Snell & Wilmer

-- -- L. L. P.

-- -- Environmental Protection Agency D ecembe r 8 , 20 15 P age 2 Ass i stant Adm ini s trat o r J a net McCabe and t echnical s t aff regarding our concerns with , and suggestions for the modifying of, the Exceptio n al Events Rule. We wou ld a lso like to exp re ss our app r ec iat ion to the EPA for: thi s opportunity to comment o n its propos e d rul e revisions to the 2007 Except ion a l Events Rul e and its Draft G uid a nce on the Pre p ara tion of Exceptional Events Demonstration s for Wildfire Events that May Influ e nce O zo ne Concentrations; choosing to ho s t thi s ve ry important public hearing here in A ri zo n a at th e headq u arte rs for the Arizona D e p artm e nt of E nvironmental Quality; a nd for wo rkin g to a ddre ss so m e of the issues id e ntifi ed by th e S t a t e of Arizo na in developing this proposed rule and g uidanc e . We g reat ly app rec iate the E P A reco gn iz in g th e im portance of stream l ining the Except iona l Events demonstratio n s proce ss and a ddr essi n g th e s ub s tanti ve concerns in an effort to mak e th e Excep tional Eve nts Rul e more fun c ti o n a l a nd p racticab le . As suc h , we ag ree w ith th e re que s t put forth by Senator Flake in hi s November 19, 20 1 5 let ter to Administrator McCarthy. Therefore , we formally and r espec tfull y request th at a 30-day extension of the co mm e nt period be gra nted to permit a m o re exte n s iv e r ev ie w a nd assess m ent of both the prop ose d rul e a nd draft g uid ance. Th ese propo se d rev i s ion s a nd draft g uidanc e are far too imp ortant to n ot be g iv e n th e proper du e dili ge nce so th a t s ub s tant ive feedback and , i f necessary , addi ti onal s u gges tion s may be provided to b e tt er in fo rm the fin a l r ev i s ions of both.