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Via Federal Express PUBLIC COPY y tthmamvuy-ij'iH^ { ^ '- ^ a AA * i February 20, 2008 Ooo Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S. Environmental Protection Agency 1201 Constitution Ave., NW Washington, DC 20004 8 EHQ 06 164 36 Dear 8(e) Coordinator: Perfluorin8aEteHdQA-l0ip6h-1a6ti4c3C6a/8rbEoHxQyl-i0c6A-1c6id4,7A8 mmonium Salt miceTwhiitshlethtteerRi&s Dto tiensftosrmubystoauncoefrtehfeerreesnucletds oabfoavree.peated dose oral toxicity 7-day gavage screening study in pdoaytesn.Mtiaiclesu(5bamcaulteest/ogxroicuipty) wofetrheedtoessetdsubbystoarnaclegawvhaegneawdimthin0isotrer3e0dmbyg/okrga/ldgaayvoafgethteotmesatlseumbsitcaenfcoert7o ecvoanlsueactuetive plasepnraolaesctteoeMnoms,nsiietcccedeespttwdaeoatsehi,srloleyaildnwooedgnesytithageenyhsvdmetaddeuluaxpsayarwtsimiooe0irnrn-et7.eo.dwAdTmeolilisgistcishinrsueogsedsusa.cenowsLdpewiiovrceenearrlced,lyoakp.lyilldea7cncteepedyrdsiio,anrhtatenopaeprcstrar,oocbpprrirsafiyiaicntefe,r.osfMpimxleaicaetielnvl,west.teeuLsrdetieyvosea,brn,nsieokmrsivdeaen,lsdeaynofsodn,rtthhceelsyiatmnrdituc,aasyblrw7asiiefngro,ners at tmahcwcedhheshopamatidnnacieptggThnor<eeihachss0teiytaes.ewtdm0erht5eeesaeerd)spapwe.tpn3aSslart0iubtsoomabocxmptisediirtstgmleyeatl/disunkacwelctgtaaneoeelrltoliyyrtghifhenhy2stlehatpi-1gftleoe/eion5vrfdtltieedtr.fmhsoricteeipacalshnetenueyvdtbst,artaisteanntiaaanocdntndlneiuctmsdemdesiaewnotaldsdnsiattuedohlhlrbnwea3lstitt0feevaeorensmielrntlcongcdewwr/o-akeertyieaginsgls7gaeohet:eswftenpdtimahnaisnoeirmnar1ttgimeh0imatse5oenta.ttc4sleiwoc%ursnsebif.ntisiorgggtoTfahullnectserceo.sccestnhe.M.tsalrlunoTIibnngtlhseiei(emtscssasriunaeowgnlcsnceceivihrse-faeariroccentluaafligaminohenttleesiatdapiteonsiadmoctttocnhotiucocewyrrotr2othfehesesdesca,tolihminpvepiermclrte,ihcite-s Sincerely, 89080000120/S 80000120/ 1 3 O 5^7