MICROBICS MICROTOX@) TOXICRTY TEST TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC-1 16, FC-1 26, FC-1 69, FC-1 43 or as the major component of FC-1015 or FC-1 015-X.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonicacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofL-4647. (1Octanesulfonicacid)(CAS # 2795-39-3).

Acute ocular Irritation Test with T-2997CoC in Albino Rabbits Experiment No-: Conducted At: Dates Conducted: Conducted By: 0682EB0009 Safety Evaluation Laboratory Riker Laboratories, Inc.

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p. 1 36/ C 70840 Federal Register/Vol. 70, No . 225/Wednesday, November 23, 2005/Notice s List of Subjects these proposals should be submitted to Environmental protection, Pesticides the UNECE Secretariat for the POPs and pest.

tsi enters ------------Grpaee{emesis 226-36AR4R8AE _ 364-2 INT] AT #1 le Water Sam) STUDY TITLE AnalysisofPerfluorooctanoic Acid (PFOA), Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctancsulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using LC/MS/MS for the 3M Cottage Grove Monitoring Program DRAETAQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE `Weston Solutions, Inc. 1400 Weston Way `West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE - May 19, 2005 PERFORMING LABORATORY `Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STU3DMYCosmppoannsyor 3M Building 0236-01-B-10 PShto.nPea:ul6,31M-N7353-56134744 PROJECT Protocol Number: P0001400 Exygen Study Number: P0001400 "Total Pages: 110 FABRA 000024 inRptArorSa ages ayn Sy No:PRIA `GOOD LABORATORY PRACTICE COMPLIANCE STATEMENT Exygen Study Number P0001400, entitled "Analysis of Perfluorooctanoic Acid (PFOA), Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate LC/MS/MS for the 3M (PFOS) Cottage in Water Grove , M Soil, onito r Sediment, Fish, ing Program," and Clams Us conducted for ing 3M Company, is being performed in compliance with EPA TSCA Good Laboratory Practice `Standards 40 CFR 792by Exygen Research.

p. 1 P. 1 TSCA Document Processing Center July 28, 2006 Attn : Section 8(e)/FYI Page 4 of 5 Attachment 1 AR Z26 _ -37--34 Acronym code for Tables 1 and 2 In Tables 1 and 2, the following acronyms are used: acronym weanmg CW DuPont Chambers Works facility in De water, New Jersey FW DuPont Fayetteville Works facility in Fayetteville, North Carolina WW DuPont Washington Works facili in Parkersburg, West Virginia PFBA Perfluorobutanoic acid PFPeA Perfluoropentanoic acid PFHxA Perfluorohexanoic acid PFHpA Perfluoroh tanoic acid PFOA Perfluorooctanoic acid PFNA Perfluorononanoic acid PFDA Perfluorodecanoic acid PFUnA Perfluoroundecanoic acid PFDoA Perfluorododec anoic acid PFBS Perfluorobutane sulfonate PFHxS Perfluorohexane sulfonate PFOS Perfluorooctane sulfonate PFOSA Perfluorooctane sulfonamide p. 2 p. 7 N N O m N m N O N Q p ili a N vaavvvvvvaavv :g :e j (p F.+ V J O_ { fl 6 :2 v 13 vc~i 1 ~~ w n4~ ~ O~~Oa~ggNOCCaQ~~'J ~ ?

19) OPPTS 850.1035,96 hour Static acute toxicity with (saltwater mysid), 454A-128 PFBS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE SALTWTER MYSID (Mysicfopsisbahia) FINAL REPORT SANiTlZED DEC 0 9 2003 WILDLIFE MTERNATIONAL, LTD.

Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 / Cincinnati, OH 45202-3957/ Tel : 513 .381 .2838/ Fax : 513 .381 .0_205 /www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing ROBERT A.

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