AR 22 _066 70 ATTACHMENT TO LETTER TO C.

BACK TO MAIN ACUTE ORAL TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate;may also be referredto as PFOS or FC-95. (1-0ctanesulfonic 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 productionlot number was 217.

BACK TO MAIN - 1 - PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN OYSTER, CRASSOSTREA VIRGINICA, FROM THE GULF OF MEXICO AND CHESAPEAKE BAY John P.

._.q ,I ] ', i i "1 ,I _ ' i::_] '"_"_I D 'i BIODEGRADATION STUDY REPORT Revision 1 Wednesday, November 06, 2002 Biodegradation Screen Study for Telomer-Type Alcohols PROJECT NUMBER 3M Projects ID: E01-0684 Pace Contract Analytical Projects ID: CA085 STUDY DIRECTOR Cleston C.

Page 1 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Mallard Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoropotassium salt, CAS# 2795-39-3 Test Remarks: The test substance is a white powder (3M Lot #217).

PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2190 ^ Debbie J Mulrooney 08/27/2001 02:32 PM To: cc: Subject: Robert FPinchot/DEV/AE/DuPont@DuPont Revised Base Case Rob, Here are the results for the base case with the fine powder dispersion vent at 12,000 acfm Instead of 18,000.

2195 Front Street Logan.

3M Environmental Laboratory FinalReport- AnalyticalStudy Single-DoseIntravenousPharmacokinetic Study ofT-6052 in Rabbits In-Vivo Study ReferenceNumber: HWI#6329-134 StudyNumber: ANMT-111694.1 TestSubstance:FC-120 (T-6052) Name and Address ofSponsor: 3M SCD Division 367 Grove Street St.Paul,MN 55106 Name and Address of TestingFacility: 3M EnvironmentalTechnology & Services 935 Bush Avenue St.Paul,N4N 55106 Method Numbers AMDT-M-1-0, AMI)T-M-2-0, AMDT-M4-0, AMDT-M-5-0, AMDT-M-8-0.

ATTACHMENT TO LETTER TO C.AUER DATED AUGUST 31,2000 SUPPLEMENTAL SUBMISSION N-ETFOSE Icohol ylperfluorooctanseulfonamidoethanol AcuteToxicit 1.

Larry R.

~oUPONT P1 7- 0-3 9~ DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P .O .

~ p. 1 Katherine E .

FINAL p. 1 /!