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                                 WASHINGTON, D C  2046C
KPA-CASAC-07-007
                                                                            THE ADMINISTRATOR
Chair, Clean Air Scientific Advisory  Conimillee
Science Advisory Hoard
I* S  l:.\i\ironnieniul Praleelmji Aj»ene>
LM)U Pennsylvania Avenue. N W , Mail Code I4UOF
          i, IXC.  :u460-u(K)j

Dear 1ft
       \,
       ! hauk you for \viilins> to provide me with the 11 S huviroumental Protection As.'.encN
Seienee Advisoiy Honnt ("lean Air Scientilic Atl\ isory Coinnuttet-1 eaii Review Panel"1,
reeoniinendatious reiiardins: its peer review oHhe dratt /• W f/uinuit E\J>OSIUT andlli'\tlih Risk
 l.\-n>.\MHt'nt.\ /"/- A"t'/('<•/<'n<.il Amhtt'ni Air (Juahtv Standards
lor I t.'ih/ i'oficr .'L\vi^>vH(J/i/ af'St it'«///!< iind Technical lnje materials  We value CASAC "-, jntrticipation  and «id\ ice highly
throughout tisu process.  I hank you  tor your comniilincn! and youi  sen ice tu the Agency
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                                              J/ihnsoii

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