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3 GLP10-01-02 Interim Report 12: Analysis for PFOS, PFHS and PFBS in Decatur, AL Off-Site Soils Collected September/October 2010 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principle Analytical Investigator Cleston C.

3 3M Environm ental Laboratory E05-0210 Interim R eport#13 Interim Report #13: Analysis of Tennessee River Water Samples Study Title A P (PFBS), Pn a l y s i s o f e r f l u o r o b u t a n e s u l f o n a t e erfluo ro hexanesulfonate (PFHS), a n d Pe r f l u o r o o c t a n e s u l f o n a t e (PFOS) in Wa t e r , So i l , Se d i m e n t , Fi s h , C , V , Sl a m s e g e t a t i o n m a l l Ma m m a l Liv e r a n d Sm a l l M Sa m m a l e r u m Us i n g LC/MS/MS 3M D M Pf o r t h e e c a t u r o n it o r in g r o g r a m Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Michelle D.

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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.

NOTICE: The information provided to the agency contains information that 3M voluntarily has submitted as part of our continuing discussions with the EPA regarding fluorochemistry.

AR Two Year Oral (Diet) Toxicity / Carcinogenicitv Study of Fluorochemical FM-3924 in Rats Riker Experiment No. 0281CR0012 Review by Dr William H Butler At the request of 3M Corporate Toxicology, Thave reviewed the above study with specific regard to the evidence of carcinogenicity of FM-3924.

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Ms&AG - iZICf Overview o f the Mechanics o f Film Formation o f AFFF Aqueous film-forming foam (AFFF) generally contains mixtures of hydrocarbon and fluorocarbon surfactants as the major surface-active components.

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AR226-2034 CHAPMAGA 0 1 /0 9 /9 8 0 9 :4 2 AM To: MATTSORR cc: OFFENB JL PINCHORF , P LA YTIS, ZIPFEL Su b ject C -8 Exposure on B*16 2 Roof Bob One issue that came up in the C-8 PACE team meeting yesterday was the follow up on Jennifer Nichols* C-8 study.

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AR226-2333 GAB0O0373 Source 1D '1 2 3, 4 Description Pre-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) Post-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) DBC Scrubber MP-2 scrubber Location Contribution, Height, m ug/m3 Contribution, % D Plant 8 7.002 50 D Plant 15 E Plant; copolymer plant for PFA and FEP MP-2 building: copolymer type micro- 18.2 16.1 3.345 2.953 0.771 total = 14.071 24 21 5 w H O tHr \ source parameters 5-1-03.xls Contribution ?

Example calculation of chemical loading and groundwater response.