TRADE SECRET AR226-3161 DuPont-2931 Study Title H-24042: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2931 A u t h o r : Carol Finlay, B.A.

TRADE SECRET Study Title H-24944: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-6542 AR226-3193 ` DuPont-6542 Author: Carol Finlay, B.A.

AR226-3327 I Surface Protection Solutions 6-May-2004 Com pany Sanitized.

IT08NEK S AI LAW m z a &_ * r r r "i:1.fl iI0: I ?

3M (entrai Offices 3M ( enter St.

2^071 'n P " >- - . .. it PFOS: A 96-HOUR STATIC-RENEWAL ACUTE TOXICITY TEST WITH THE SPRING PEEPER TADPOLE (Pseudacris crucifer) FINAL REPORT P-1 WILDLIFE INTERNATIONAL, LTD.

TSCA SANITIZED P-1 filili- 5% 33 CHARLES RIVER LABORATORIES (M in k a !

4 JON S.C O R Z IN E G overnor ?

fig w u rv flle M a te r friP o a a s ANALYTICAL REPORT PFOA/PFOS A nalysis Lot#: D7L140421 Nicki Smith Q C L a b o ra to rie s , In c . 1205 Industrial Highway Southampton, PA 18966 TestAmerica Denver G ailD eR u Project M anager January 7, 2008 4955Yarrow Street Arvada, CO 80002 tel303.736.0100 fax303.431.7171 www.te5tamericainc.com DEP2-SDWB-000460 Case Narrative D7L140421 TestAmerica Denver utilizes USEPA approved methods in all analytical work.

fitk - I '700 ENCLOSURE 4 ~0 to DescriDtion of the 3M Decatur Inactive Landfill Containment Structure --------------------- k ---------------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------- -- , o 50 "t3 m o -H rn At the 3M Decatur site, a RCRA interim remedial measures (IRM) program is q% currently underway to construct a containment structure for an inactive landfill, cirhis IRM program is being undertaken by 3M pursuant to an IRM Work Plan that was approved by the Alabama Department of Environmental Management (ADEM) on December 16, 2002.

GLP10-01-02.

Attachments to Letter to C.

J M Oeneral Offices lTff JM Center St.

BACK TO MAIN ACUTE ORAL TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks field: The 3M production lot number was 217.

ATTACHMENT TO LETTER OF JUNE 28, 2001 BACK TO COMPOUNDS 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS Click on Study Title to View Report MULTIPLE CHEMICAL STUDIES Human Sera/Medical Surveillance/Epidemiology 1.