Document a16NZ6BVy1k0xExGyr3OZMZXa

3M Gen Offs . March 17, 2000 sSHien FA I5145E-10H00Q-0300A-R0M0G-3O753H 4 RECEIVED 0PPT CBIC WOWEAKRRZZ0O FFiiges MHri.ghRPrioduccHti.ohHneVfaoltu,rmCehidCehfemicals Branch DRoocoummeGn9t9CEoansttroTlowOfefriceAt(7t4:07S)ection 8() 4U0S1EMnviStrroenemt,enSt.aWl. Protection Agency Washington, DC 20460-001 5EHQ 0-372 -- _ MR >3755 Dear Mr. Hefler TPhriesveinstaiornesapnodnsTeoxtiooysoeuqruleestterfoorf aFdedbirtuiaornyal25i,nf2o0r0m0atrieognaordni3ng MEPpAerOfflfuiocreoaolfkyPlolsluubtmiiosnsions. WFpriCit.mh0a5rrie(lgya4rpdaottTaos3ys3oi5uur1m)fpierissrtuaqouhreoosmtooiclotnoagnooenusSsuElmFfiIoxnQta-tu1er,1e8o03f-M0p0od3to7ae4ss,sintuohmte pcweoirmsfphloutsooirotmaialioknnytloafisnutlhiftosntTaestStesCm,aAtbeurtiails Pafidentiality claim for the homologues of potassium saltsofperluoroalkyl sulfonate. tWuhsieitnh5g/ra1e5gta8er4sdmstauotpeyproliuearmlestnehtacatornwydassquubaemsmitiisxostni,uornteho(eSFoErtHiwOgoi-n0ap5le8r8f4(l.u)0o0rso3ua7bl3mki)ysldsaeilsoccnorhi(oblSes.dEHtToQhx:eic1po1rl8ion0gc-yi0p0sa3tl7u3d)ieasnddone TcooLmpo2n3.e3n:t4ohf5.th5.6t,es6t.7ma.t7e,i8a8l8-whaesptCaAdSeca#f1l6u9o1r-o9-9N--2(2[-1h-yOdcrtoaxnycestuhlyf)o-n1amide, N-ethylPlease feel free to contact meifyou have any additional questions Best regards, Hoyild Q 2igprane WDEinirvleilcritoaonmrmeAn.tWale,ppHneearlt,hP,hS.aDf.ety & Regulatory Affus S3pMecCiealnttyerM,atBeldrgi.al2M3a6r-k1eBt-s10Group St Paul, MN 55144 S E |& epTa-oA Ts 000811780 =B .,: =3Bo3gI3R= zZ 8=85 2