AR226-3119 DuPont-2642 TRADE SECRET Study Title H-23745: Local Lymph Node Assay (LLNA) Laboratory Project ID: DuPont-2642 Author: Gregory S.

TRADE SECRET AR226-3170 DuPont-4488 Study Title H-24616: Influence on Growth and Growth Rate o f the Green Alga Selenastrum capricornutum Laboratory Project ID: DuPont-4488 Author: Terry Lee Sloman, B.S.

I CEN TRAAL 1N ST1T U U T V O O R V O ED IN G SO N D ER Z O EK U trech tsew eg 48 Z e ist CENTRAL INSTITUTE FOR NUTRITION AND FOOD RESEARCH AR226-3331 REPORT NO .

AR226-3338 FINAL REPORT Bioaccumulation test ofPerftooroalkylcarboxylie acid (C--7-13) (This test 1$ performed using Periluorooctanoic add (Test substance number K-l 51!?)]

ARAS6- 3lf30 1/ 34 000358 f if i 4.3. & _ 5 If-3 0 DATA SUMMARY Chemical: Perfluorooctanoic Acid Site: Fayetteville Works Date of Monitoring; October 2002 Matrix: Blood Serum Operation: P F O A Production Job Title Entire Cohort Males Females Operators Males Females Mechanics Males Females Laboratorians Males Females Supervision Males Females Number Sampled 20 17 3 8 8 0 1 1 0 2 0 2 9 8 A i Minimum SISMeansi'l?

3M Kjjitierine E.

si a) *1\ 1 : Pamela Moseley/DC/USEPA/US 08/28/2008 10:46 AM To Toni Krasmc/DC/USEPA/US@EPA cc Deena Vann/DC/USEPA/US@EPA bcc Subject Fw: LOI Submission of August 1,2008 O Toni, 1.

AK *26 - 0177 BIODEGRADATION (BOD/COD) TEST SUBSTANCE_________________________________________ __ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

fiKSLS.6 - O Z 2 9 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing periluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

March 31, 2003 To: Mary F.

3M General Offices 3M Center St.

ft^ - 00,0 TRANSPORT BETWEEN ENVIRONMENTAL COMPARTMENTS (FUGACITY) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic add, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: NA METHOD Test (test type): Fugacity Modeling Method: Level I, II, and III EQC Computer Modeling Year completed: 1999 Remarks field for Test Conditions: Modeling conducted by Don Mackay of D.

STUDY CODE : K01-1802 A R 1 2 S -O I3 C Receipt No.

Attachments to Letter to C.

STUDY CODE : KOl-1815 ARROZZ Receipt No.