Document vGrgDELmaKakyGZKzVxmrEgY

aM iREiCtLHY 651733 1110 AR22%--/3/5 SEP -2 F112: 58 en TEHR-0804. 03730: ALO 4TI T20 VIA EXPRESS MAIL BEHQ-20-377 Document Processing Center (7407M) EPA East - Room 6428 Attention: Section 8() Docket Officeof Pollution Prevention and Toxics UL.2S0.0 EPnevninreoynimveanntiaalAPvreontueec,tiNonWA.gency Washington, D.C. 20460 Re: PTeSrCflAuoSmescotcitoann8es)aloSnudptpeleDmoecnkteatlNNoso,tSiEcoHneO-1180:374 DeSei ant Mada Ce Uy. YA 0 Gy 3M has received final reports for reproductive avian toxicity studies on / perflucrooctanesulfonate (PFOS) in northern bobwhite quail and `mallard duck. In a previous lasnutbaedmiasasidoncnorotdmahiatslnedppcrhFayoerclbseyrsouspahaoreyscae1o,rm2per0a0opr2sre,edo3sdtMounupdciehbirsiarecvsdraeesii,beretdedhgisrddeersasfss.ttiuordnAeipseeofsrfateSlscutogfseo.deresAtstlhcerttshihaeboteusdPtguhFidnOisoeSuuscrpmhwerhafeiyfvcehihtaosvueasre ebmision. pir studies preceded these studies and were inconclusive `We are now providing the final reports for these studies, along with the analytical reports of serum, liver, and egg concentrations, as wellas the reports for the pilot studies. In addition, we are submitting recently-received revised final reports for acute PFOS dietary studies in northern bobwhite and mallard. These reports were revised to reflect reporting changes after tSoymrpournity wcaotreefi.ned. 3M aso as prepared oniologicl summaris foral studies being submitted today and is providing those summaries as a reference tool and to place the HPlreoavsiedcsonatdaicitoSnuasainnfBoermaacthio(n6.51F-o7r7a8-n7y4o5t2h)eirfaysoiushaanvce,anly etecahdnosincaoeltquheessittiaotnestooricfonwtaectcatnhe undersigned (651-778-4331). itl Sincerely, Io Pore IISR ---- StaffVice President, Environmental Health and Safety Operations | n 74 7S nono