Ms.&.

RECEIVED 0PPTNCIC P Afisa. 6 - H-QS DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.0.

J ?

3M ENVIRONMENTAL LABORATORY REPORT NO.

G L P 1 0 -0 1 -0 2 ; In te r im R e p o r t 2 7 - A n a ly s is o f P F B S , P F H S , a n d P F O S in G r o u n d w a t e r S a m p l e s C o l l e c t e d f r o m D e c a t u r , A L , 1 st Q u a r t e r 2 0 1 2 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sedim ent for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSC A Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisim ha Kesari P.E., DEE W eston S olutions, Inc. 1400 W eston W ay W est Chester, PA 19380 Phone: 610-701-3761 A u th o r Susan W olf 3M Environm ental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

GLP10-01-02.

INTERIM REPORT #27 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS 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 February 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244435 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/06/2006 Signature Name: Richard C.

S A M Y lX fc * AOGoST ZotaS --------------------------- ------------------------- 310 Bonk Street Decatur, Alabama 35601 256.353.2910 tele 256.353.3944 fax www.TTUNCeoftt geotechnical Mammm t # WW WW Wmrnrn . analytical materials environmental -- .........--.......... -............ --------------- D e catu r.

Attachments to Letter to C.

BACK TO MAIN 3M Environmental Laboratory Report No.

Final Report Mortality Study of Workers Employed at the 3M Cottage Grove Facility Submitted by: Bruce H.

3M General Offices 3M Center St.

_ iO 2 3M Company EPI-0013 Page 1 of 36 FINAL REPORT Epidemiology Medical Department 3M Company St.

M a t e - IIA7 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 .