3M GLP10-01-02; Interim Report 23 Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Off-Site 610 Wells; September 2011 GLP10-01-02; Interim R eport 23 - A n a lysis o f PFBS.

3M Environmental Laboratory Report No.

3M Company St.

3M Environmental Laboratory POOO3268; Interim Report#4 Analytical Report Analysis of PFBS, PFHS, and PFOS from 3M Decatur Offsite 600 Series Wells MPI GLP Protocol Number: P0003268 Interim Report#4 Data Requirement 40 CFR Part 792 Author M ichelle D.

F y r- 0500 - 137i ARUG-oot/0 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 M ains No Cfil May 25, 2000 FYI-00-001378 O FFICE O F PREVENTION, PESTICIDES AND TOXIC SU BSTA N CES FY I-0 0 -0 0 1 3 7 B DA3SS3MMtpti.trenePcCC:caitaeuWoolnlmtr,yit,lepMlEMriaa,nnNmaBvytil,eArdrIo5ginan5W.clm1.s24e3eGp4n6prt-oan1lueB,rpH,-1Pe0haltDh., Safety & Regulatory Affairs SUBJECT: FYI-0500-01378 85000000003 er--DICo\n3cCD 1mDO 'n r 3?

Covance Studies The attached report summarizes the results from the assessment of mitochondrial bioenergetics of hepatic mitochondria isolated from rats treated for 3 weeks with one of 4 doses (plus control) of dietary FC10.

Centre AnBlyticBl labopgtoriss, Inc.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P h on e : (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemicai Characterization of Surface Water Samples Mobile, Alabama (W2151) Centre Analytical Laboratory Report No, 023-014D (Revision 1) Revision Date 3/22(01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

3M Specialty Materials 3M Center St.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN SOIL ADSORPTION (METHOD DEVELOPMENT) TEST SUBSTANCE__________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

BACK TO MAIN 3M Medical Department Study: T-6395.14 Analytical Report: FACT TOX-111 LRN-U2994 Study Title Oral (Gavage) Pharmacokinetic Recovery Study of PFOS in Rats Analytical Laboratory Report Title Determination of the Concentration of Perfluorooctanesulfonate (PFOS) in the Serum, Liver, Urine, and Feces of Cri:CDBR VAF/Plus Rats Exposed to PFOS via Gavage Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date at signing Performing Laboratories Urine Analyses Feces Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

Unit Code 8308 1/14/99 2:54PM UROBILINOGEN, 48-HOUR, FECES General Information FEE: $122.70 LABO RATO RY AREA: Porphyrin.32/HC25 A N A LYTIC TIM E: 1 day D A Y (S ) T E S T SE T UP: Monday through Saturday TIM E O F DAY: Continuously LABORATORY HOURS: M A XIM U M LAB TIM E: 3 days C O M M EN TS A ND O TH ER REJECTION: -C V 6% .

A R 1 U -0 1 5 I Laboratory Report Interim Report of Preliminary Data for 26 Week Capsule Toxicology Study with PFOS in Cynomolgus Monkeys Laboratory Report No.

Attachments to Letter to C.