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Attention: Docket Number EPA-HQ-OW-2014-0138 April 28,2014 We appreciate the opportunity to comment on the draft "Health Effects Document for Perfluorooctane Sulfonate (PFOS)".

Aezatr3155 mEaan August 4, 2010 EPA Docket Center, MC 2822T U.S.

3M Company EPI-0037 Page 1 of 25 FINAL REPORT Epidemiology, 220-6W-08 Medical Department 3M Company St.

ST-279 ToxDocs 10-014 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 10-014: ADME Study of MTDI+D 207 (Potassium Perfluorohexanesulfonate, K"PFHXxS) in Mice FINAL REPORT ToxDoces Study Number 10-014 Lot Number(s) 118993-109 Strategic Tox Lab Study Number | ST-279 Other Identification Number(s) L-9051 | | || 19F/IH-NMR Analytical `GID Number Study Director Report|No GID numberassigned; see Appendix 1 for Certificate of Analysis Jill Hart, AAS, LATg Laboratory Administrator Principle Investigator: (Study Monitor) John Butenhoff, Ph.D, DABT, CIH Corporate Scientist | Testing Facility lL [| In-Life Start Date L os In-Life Termination Date ~ [3M Strategic Toxicology Laboratory 3M Center,Bldg 270, room SB314 Saint Paul, MN 55144 February 1,2010 | July 20,2010 lof 12 ST-279 ToxDoes 10-014 TOXICOLOGY ASSESSMENT3MANCDOCMOPMAPNLYIANCE ASSURANCE GROUP 10-014: ADME Study of MTDID 207 (Potassium Perfluorohexanesulfonate, K'PFHxS) in Mice Compliance Statement and Signature Page This study was conducted for research and development purposes and does not conform 10 regulatory guidelines.

MUTAGENICITY EVALUATION OF T-2014 CoC IN THE AMES -SALMORErU/MICROSOME PLATE T-EST FINAL REPORT SUBMITTED TO: 3M COMPANY 3M CENTER SAINT PAUL, MINNESOTA 55101 BIONETICS L'ttm SUBMITTED BY: LITTON BIONETICS, INC. 5Sl6 NICHOLSON LANE KENSINGTON, MARYLAND 20795 LBI PROJECT NO. 20838 FEBRUARY 1978 I ii.

FINAL REPORT Ep2i2d0e-m6iWo-l0og8y, Medical Department 3M Company St.

MUTAGENICITY EVALUATION OF 1:2015 coc sAMeEsS SSAALUMOOIRnREETLLiTXeA/uMiIcChROoSsOoMnEe FINAL REPORT SUBMITTED TO: aSnh cCENoTEmR SAINT PAUL, HINNESOTA 55101 [3 BIONETICS suBmITIED BY: KENLSIIT5N5TG1OT6NONBN,IIOCNHHEOATLRISTCOLSNA,NDLAINNCE2.0795 L8I PROJECT Mo. 20838 FEBRUARY 1978 00165 I.

ST-508 Final Report ToxDocs 14-192 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 14-192: ORAL ADME STUDY OF MTDID 37312 IN RATS FINAL REPORT ToxDocs Study Number 14-192 Test Material Lot Number(s) Strategic Tox Lab Study Number MTDID 37312 FM-3923, mixture of lots 30035, 30037, and 30039 ST-508 Other Identification Number(s) N-EtFOSE Alcohol, FC-10 19F/1H-NMR Analytical Report SMD Analytical Report 816 GID Number Study Director Jill Hart, AAS, LATg Senior Laboratory Technologist Principle Investigator: (Study Monitor) Sue Chang, Ph.D.

FINAL REPORT EpiMdeedmiicoalloDgye,pa2r2t0m-e3nWt-05 3M Company St.

TNO report Transcriptome analysis of effects of Fenofibrate or PFOS in intestine of ApoE3L.CETP mice TNO Metabolic Health Research Zernikedreef 9 P.O.

Taft/ 425 Wau Set, SteC18n00cCinCinval,naONC4o52e0n23s95/7DaTgooln51n3.a3n81a.p28o3l8/FNx:or513.e381.0TK20e5tntSuctkyotrutoweHaollstSecreUogP SRooigageuArsaBnmcoorne 4226-3928 February 4, 2010 VIA ELECTRONIC AND U.S.

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ST-545 Final Report ToxDocs 15-039 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 15-039: ORAL ADME STUDY OF MTDID 32159, 208, AND 1004 IN RATS FINAL REPORT ToxDocs Study Number 15-039 Test Material MTDID 32159, 208, and 1004 Lot Number(s) Strategic Tox Lab Study Number Other Identification Number(s) MTDID 32159: Lot 30019 MTDID 208: Lot 217 MTDID 1004: Lot 332 ST-545 MTDID 32159 3M Product Code 41-2603-3318-6; T-7252; F-33318 MTDID 208 FC-95; T-6295; perfluorooctane sulfonate potassium salt; PFOS 19F/1H-NMR GID Number MTDID 1004 Analytical Report MTDID 32159 FC-143; T-7507; perfluorooctanoate ammonium salt; PFOA LIMS M13-0520 & M13-0647 MTDID 208 LIMS Request #M121793 MTDID 1004 LIMS Request #M12-2198 Study Director Jill Hart, AAS, LATg Senior Laboratory Technologist Principle Investigator: (Study Monitor) Sue Chang, Ph.D.