ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may also be referredto as PFOS, FC-95, or as a component ofFC-3003. (1Octanesulfonicacid)(CAS # 2795-39-3).

AR IZG-0050 fa-3 0CTAN0L/W ATER PARTITION COEFFICIENT 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: The test substance is a white powder.

AR32-33?

AR IZG-0050 fa-3 0CTAN0L/W ATER PARTITION COEFFICIENT 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: The test substance is a white powder.

BESTCOPYA M llM ll AR13.G-.on 5 P S - 2-- ANTWERP BLOOD TESTING RESULTS FROM JUNE, 1995 1.

M .6a a - 0216 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

TRADE SECRET DuPont HL-1997-00676 AR226-3078 Study Title SalmonHe-l2la27ty6p2h: imMuurtiuagmenPilcaittey Testing in the Incorporation Assay Laboratory Project ID: HL-1997-00676 AUTHOR: N.

TRADE SECRET DuPont HL-1997-00598 AR226-3079 Study Title I nhalation Approximate Lethal Concentration (ALC) en R ats Laboratory Project ID: HL-1997-00598 Author: David P.

Quality Assurance Project Plan M ulti-City Study Sampling Task (N1Q0672) R226-0077 Amendment 1 to Revision No. : 1 Effective Date: Junel6, 1999 Page 1 o f3 Amendment 1 to the S j 'S S Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To (Confidential) June 16,1999 Prepared by Battelle 397 Washington Street Duxbury, MA 02332 (781) 934-0571 APPROVALS Donald Gunster Sampling Task Leader Rosanna Buhl Battelle Sampling Task QA Officer -- Marcia Nishioka ' Battelle Project Manager ---- Date Date .7/ .y ?

m Z 'O ift Pathology Associates International A Company of Science Applications International Corporation SECOND DRAFT CELL PROLIFERATION REPORT 104-WEEK DIETARY CHRONIC TOXICITY AND CARCINOGENICITY STUDY W ITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM SALT (PFOS;T-6295) IN RATS COVANCE STUDY NUMBER 6329-183 PREPARED FOR: 3M TOXICOLOGY SERVICES BUILDING 220-2E-02, 3M CENTER ST.

CAS Number 1691-99-2 3M Company M SLAGjQ g/ Voluntary Use and Exposure Information Profile N-Ethylperfluorooctylsulfonamido ethanol I.

A K M G _ D g J U f- ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-206CF or FC-206CF-X. (1-Octanesulfonicacid) (CAS # 2795-39-3).

ARX& - 03U BIODEGRADATION TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-120, or 3M Sample J2905-1. (1-Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and butyl cellosolve (approximately 25% test substance, 37.5% butyl cellosolve and 37.5% water).

AR226-2455 Ohio River monthly average flows at Cincinnati, OH River flow data from <ftp://www.lrd-wc.usace.army.mil/Monthly_htm/> Assume: 1 ft3/sec= 0.0283m3/sec; 1 m3 = 1*10A6 cm3; 1 cm3 - 1 mL Estimated Estimated Estimated Mo-Yr Measured Long-term normal flow, of normal, flow, ft3/sec % ft3/sec normal flow. m3/sec normal Estimated flow, normal m3/mo flow, L/mo Jun-98 131,400 175 75086 2.12E+03 S.51E+09 5.51E+12 Jul-98 94,452 211 44764 1.27E+03 3.39E+09 3.39E+12 Aug-98 28,387 80 35484 1.00E+Q3 2.69E+09 2.69E+12 Sep-98 21,200 74 28649 8.11E+02 2.10E+09 2.10E+12 Oct*98 21,065 77 27357 7.74E+02 2.07E+09 2.07E+12 Nov-98 21,400 40 53500 1.51 +03 3.92E+09 3.92E+12 Dec-98 34,548 35 98709 2.79E+03 7.48E+09 7.48E+12 Jan-99 178,190 131 136023 3.85E+03 1.03E+10 1.03E+13 Feb-99 134,860 81 166494 4.71E+03 1.14E+10 1.14E+13 Mar-99 180,260 85 212071 6.00E+03 1.61E+10 1.61E+13 Apr-90 118000 66 178788 5.06E+03 1.31E+10 1.31E+13 May-99 60226 49 122910 3.481+03 9.32E+09 9.32E+12 Total 1.02E+06 1.18E+06 3.34E+04 8.74E+10 8.74E+13 C8 discharge to Ohio River in 1996, ibs 40600 RJZ0154QO EID137010 t C "t Estimated C8 C8 discharge concentration to Ohio River in Ohio River, in 1996, kg kg/L Estim ated C8 concentration in Ohio River, mg/L Estimated C8 concentration in Ohio River, ug/L 18416 2.11E-10 2.11E-Q4 0,211 RI2015401 BXD137011

AR226-3007 DuPont HLR 696-92 Study Title Subchronic Inhalation Toxicity Study with in Rats Laboratory Project ID Haskell Laboratory Report No. 696-92 Author Hanan N.