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mn DEPARTMENT OOFF HHEEAALLTTHH PPFFOOSS aanndd DDrriinnkkiinngg WWaatteerr PPFFOOSS PPeerrfflluuoorrooooccttaannee ssuullffoonniicc aacciidd ((PPFFOOSS)) iiss oonnee ooff aa ggrroouupp ooff rreellaatteedd cchheemmiiccaallss kknnoowwnn aass ppeerrfflluuoorroocchheemmicicalasls. ((PPFFCCss)).. TThheessee aarree aallssoo ccaalllleedd ppeerrfflluuoorriinnaatteedd aallkkyyllaatteedd ssuubbssttaanncceess ((PPFFAASS).). TThhiiss ggrroouupp ooff cchheemmiiccaallss iiss Commonly etd sik and samestan camsume prodcs, fod packain, Fe FEIT A commonly used in non-stick and stain-resistant consumer products, food packaging, fire-fighting foam, a rare and industrial processes. ro ha been us i sain resstat abrir. fghing fons, fod packaging, and a srfactatin PFOS has been used in stain-resistant fabrics, fire-fighting foams, food packaging, and as a surfactant in Indust process The 1 Compas wasonce malo manufacturer of POS and product comaning industrial processes. The 3M Company was once a major manufacturer of PFOS and products containing P05, but roducion was phased out 301.5 production has ben phased ou nati out PFOS, but production was phased out in 2002.1 PFOS production has been phased out nationwide, but Cominue in thr counris. Pros contain PS ay be ported moth Une Sate, continues in other countries. Products containing PFOS may be imported into the United States. PPFFOOSS iinn MMiinnnneessoottaa WWaatteerrss TThhee MMiinnnneessoottaa PPoolllluuttiioonn CCoonnttrrooll AAggeennccyy ((MMPPCCAA)) ddeetteecctteedd PPFFOOSS iinn tthhee MMiissssiissssiippppii RRiivveerr iinn tthhee TTwwiinn Cesare eat owls up 13 prt pe ilo)? Detesions were re Common shes Cities metro area at levels up to 0.15 parts per billion (ppb).2 Detections were more common at sites imctatel downriver rom on dust faci with Hotorie FOS us o dposl immediately downriver from an industrial facility with historical PFOS use or disposal. 9705 has been detected in priate drinking vate wells nd publi drinkin water systems i several PFOS has been detected in private drinking water wells and public drinking water systems in several rs of Minnesotawht know stil ie opo of POS cured hn pst. FOS ht ben parts of Minnesota where known industrial use or disposal of PFOS occurred in the past. PFOS has been ddeetteecctteedd iinn ssoouurrcceess ooff ppuubblliicc ddrriinnkkiinngg wwaatteerr aatt lleevveellss uupp ttoo 11..44 ppppbb..3> MMDDHH aanndd MMPPCCAA rroouuttiinneellyy ssaammppllee ec aeas To FO nd vere cmc affected areas for PFOS and related chemicals. MMDDHH GGuuiiddaannccee VVaalluuee Sad on vaable information, MOH develop a guidance ake of 0027 por POS in drinking Based on available information, MDH developed a guidance value of 0.027 ppb for PFOS in drinking tr MO gidance toe re dolapartdeopaale who re startle 0 he water. MDH guidance values are developed to protect people who are most vulnerable to the oranily ami eft of oman Aperson inking water 1 below te dance value potentially harmful effects of a contaminant. A person drinking water at or below the guidance value od bet te ookfo hamlet eer would be at little or no risk for harmful health effects. PPootteennttiiaall HHeeaalltthh EEffffeeccttss Eidemilogial suis an workers, peopl ing n communities with GS in thet dining wer, and Epidemiological studies on workers, people living in communities with PFOS in their drinking water, and tthhee ggeenneerraall ppuubblliicc hhaavvee nnoott iiddeennttiiffiieedd ssppeeccififiicc hheeaalltthh eeffffeeccttss ccaauusseedd bbyy eexxppoossuurree ttoo PPFFOOSS.. IInn ssoommee She. Wher level of POSin pro's dywer ssn with gerchester, hanges studies, higher levels of PFOS in a person's body were associated with higher cholesterol, changes to er uncon change in roi mene level, and educed mune response liver function, changes in thyroid hormone levels, and reduced immune response. A -- In laboratory animal studies, effects of PFOS exposure included developmental changes such as Sacer oa wah, shies n es enon ad et win rdsearaee fesporet and decreased body weight, changes in liver function and liver weight, reduced immune response, and Gecreased brid hormone evel decreased thyroid hormone levels. PPootteennttiiaall EExxppoossuurree ttoo PPFFOOSS most everyones exposed to salamountsof EOS, bus doe ot necessary indicate a sk 0 Almost everyone is exposed to small amounts of PFOS, but this does not necessarily indicate a risk to You heath. ascle mento rogram vw ht PROS vel n pool's load re deci your health. Large-scale biomonitoring programs show that PFOS levels in people's blood are declining.4 For beople ing nares afc by PRC reese disposal drinking water may be a major source of For people living in areas affected by PFC releases or disposal, drinking water may be a major source of ote: MO ant MPCA have tue mamberofan Minnesota with known PEC rela. or exposure. MDH and MPC:A have studied a number of sites in Minnesota with known PFC releases. For 3756.0001 ES75m0 3756.0001 Exhibit Susumu | STATE07429630 3756 State of Minnesota v, 3M Co,, Court File No, 27-CV-10-28862 STATE 07429830 PEOS AND DRINKING WATER PFOS AND DRINKING WATER mm(ohourtree: iinnffoorrmmaathtiieooannthoosnntttahhtooesseenllooccaauttiioonnsss,, pplleeaahssaeezavvriidssoiiuttsPPeterorffplluuioosrro/ocpchfheeemmsiiscciaaltIsss(hP(iFCmCs)s) RiinnevMMeiirnnsnneeeosssoomttaoasis and {ahcttti[3va:/tiewdwcwa.rhbeoan!tfhi.estratteroematnm,eunst/ds!yvsst/eemhs/hcaaznarrdeoduusc/etot@hclse!veflcssoisf!tPeFsO, hStmin|)r.inRkeivnegrsweatosemroisnisyoaunrdhome. YaYwaocotutuievrmramataueyysdeccchhwaooirolobssobeenettfoomilotuuerssreeetrbebexooapttettlm lneesddeinvwwteaastttyeehsrartneofmorirnssddtcarraliinlnnikknriginengdgturaacnneeddatthccmeoooeolknkeiitvnneggslsyofsoortrfemaaP.FssOhhoSorrtitnttidimmrieen,,kibbnuugtt long-term bottled water in your home. long-term bottled water use will be more expensive than installing a treatment system. For most people, the main roofuexptosuere to PROS is through the foods they eat. PFOS can be present ofoFonnoorffdomooiootddesmtccsrrp.ooeppPossFpdldOeuuS,eetmhttaoeoyeemannalvvsiiniorrobornonemumpeteernnetostaafellneetexxxpipponoostssuhuurerereefstisoshaaPnnpFddeOossSpoolimsmeeetchaffrtooocouohddgahppnaatdhcckeekaaatfgg.oiionnMdggOsmmHtahayeypryttorreavaainndtss.effesPerrFgOuPPiSFFdOOceSSalinttnooebseppaafpoccrrkkeaasggeeenddt efoaotidngitefimshs,. iPnFcOluSdimngayfiaslhsocabueghptreisneanrteains tahfefefcisthedpbeyopPlFeOSc.atch and eat. MDH provides guidelines for eating fish, including fish caught in areas affected by PFOS. PBPrFFeOOaSSstttrfraeanendssiffeenrrgsspffrrrooovmmidaaesm momotathnheeyrrhtteooaliintnhffaabnnettnddeufurirtiinsnggtopprrbeeggnnoaaanncmctyyotaahnnheddrttooanaadnn iiinnnfffaaannnt.tt ttMhhrOrooHuuggrhhebbcrroeemaasmstetmmnidlilkks..that `Bwreoamsetnfeceudrinengtplryovbirdeesamstaniyehienaaglnth,dbpernegenfiatsnttowboomtehna wmhoothpelranantdo binrfeaanstt.leMeDd,Hcroenctoimnumeetnoddso5th0at women currently breastfeeding, cIhnigedsrteino.n of household dust can Ingestion of household dust can alsobea significant route of exposure, especialy or infants and young and pregnant women who plan to breastfeed, continue to do so. also be a significant route of exposure, especially for infants and young children. PPFFOOSSiinn tthhee EEnnvviirroonnmmeenntt PFOS use has declined in recent years, 50newreleases of PFOS into the environment ar rare. POS is pPeFrOsSisutesnetihnastdheecelinnveidroinnmreencte,ntmyeeaanrisn, gsoitndeowesrenletasberseaokf dPoFOwSn ienstoityheinesnivliroornwmateenr.t How PF are rare.OPSFOmSovises ttpPhhFerrOroosSuuisgghthheasnsstoomiiionl viitssheddedeeeipnneptvnoeigdrorennonm udtonoeendnnwnttt,ahhttmeeeemmraoanavkineekgrupiteothofdeufotctehphoseeurnsssoooeitill obaafrnnemddaaktintssdyoccywhheeenamrmiessi.atsrstryily.y. Inin In several areas soil or water. several areas of Minnesota, How PFOS moves of Minnesota, PFOS has moved into groundwater over the course of many years. HHeeaalltthh RRiisskk AAsssseessssmmeenntt UUnniitt TTsohhueerMMceODsHHanHHdeeadalelttvhhelRRoiisspkksAAhssessaeeltsshss-mmbeeannstet dUUngniuittieedvvaaanlcluueaatvteeassluttehhseefhhoereaadlrlttihhnkrriiissnkkgsswffarrotoemrm.ccooMnnDttaHammwiionnarankntstssniinncddorlriiannbkkoiinrnaggtwwiaoatnteewrrith tshoeurMciensnaensdotdaevPeollolputsihoneaColtnht-broalseAdgegnucidyaanncdethvaelMuiesnnfoersodtriankDinegpawrattmeern. tMoDfHAgwriocruklstuinrectoollaubnoderartsiotannwd ith tthheeoMccinunrerseontcae PanodlluetinovnirCoonnmternotl aAlgeefnfceyctasnodf tcheoMnitnnaemsoitaninaDwenapttearrst.ment of Agriculture to understand the occurrence and environmental effects of contaminants in water. References References 1 US Environmental ProtectionAgency (EPA 2017. `Fact Shee:2010/2015PFOA Stewards Program" 1. US Environmental Protection Agency (EPA). 2017. "Fact Sheet: 2010/2015 PFOA Stewardship Program." Rletioeverd from ihieefres,5AGcovtcseesAssprso e2a0n1d7d manoging chemicals snder sca fot sheet 30162015 .iNk61L::.!~!i!:!:.]i.:1.i.i:Z:t.!.@!::!&:!.:.!.8::@.8::@i.:i. Accessed April 2017. 2. Minnesota Pollution ControlAgony (PCR). 2013. "Prfucrocheniclisn issssigpRiver Pod2: 2012 2. Minnesota Pollution Control Agency (MPCA). 2013. "Perfluorochemicals in Mississippi River Pool 2:2012 Update. Retrieved from ts.pc sate. u/sdefault esfe 1-2 of. Accessed Apri 2017 Update." Retrieved from https://www_pca~state~mn~usisNes/defau!t/files[c-pfcl~21_#df. Accessed April 2017. 3. MinnesoaDrinkingWate Information System (MNOWIS). 2017. AccessedApri2017. 3. Minnesota Drinking Water Information System (MNDWIS). 2017. Accessed April 2017. 4. Gentes for DisaseControland Prevention (COC). 2017. Fourth NationalReport on man Exposure to 4. Centers for Disease Control and Prevention (CDC). 2017. "Fourth National Report on Human Exposure to Endronmenta Chemical, Updated Tables, January 2017, Volume One." Retrieved rom Environmental Chemicals, Updated Tables, January 2017, Volume One." Retrieved from psncdcsovlexposieresortodijfourineport UpdatedTabes Volume. onZ017 p, Accesed htt~s:i/www,cdc_goviex~osurere~ort/~df/FourthRe~ort U~datedTab~es Volume1 Jan2017_pdf. Accessed sori 2017. April 2017. Miensiots cpsriment of Heth Minnesota Department of Health esi ek cesumentUt Health Risk Assessment Unit hea kaso mn health.risk;a3state,m n,us EsEemen sate nn www.healt h,state,m n,us Ea IT. GLEAN 2FRGR Eh CW WLAAAL N.T}TiDEAE R&N}1 LEGACY avaon MAY 2017 aanhs finn To obtoin this i%formotion in ~ afaenrent former, col 651 201 dij~ferent~ormet, coil: 651-201- 4899. 2 33775566..00000022 STATE 07426831 STATE 07429831