30f ~ --~ i - AR2R-- 6 3457 61 000473 rN ARARG_34.5T Drm me, ns N relR easT tei DonenBee DawnD.

: str I SKaatrhriiPn.riRseee PhD.

Katherine E .

16) OECD 203-OPPTS 850.1075, 96-Hour static acute toxicity test with the (bluegill), 454A-114 PERFLUORO BUTANE SULFONATE, POTASSIUM SALT (PFBS): A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE BLUEGILL (Lepomis macrochirus) SANITIZED FINAL REPORT WILDLIFE INTERNATIONAL LTD.

25) OECD 205-OPPTS 850.2200, Analysis of fluorochemicals in Bobwhite quail samples, E02-0659 (from study 454-1 12) e- __-.

Jean B.

DuPont Fluorotelomer Supply Chain Update AR226-3329 Presented to 0 o I Supply Chain Team ^ (0 5 P- 3 December 2004 o 0 s5.' m $ o a Contains CBI - DuPont Confidential Surface Protection Solutions A Contains CBI DuPont Telomer-Based Product Manufacturing Processes PFOA is neither used nor added in the manufacture of D Telomer-Based Products - Research did reveal trace PFOA impurity levels as an un reaction by-product Launched wide-ranging product/process research & an w technology that will essentially eliminate trace levels of Example Reaction Profile and Resul DuPont Telomer-Based Product Manufacturing Processes wo ; a | !

Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations AR226-3341 SETAC North America November, Salt Lake City, UT Environmental fate studies of fluorotelomer intermediates used to produce surfactants and polymers.

AR226-3371 DuPont Central Research and Development April 11, 1994 3M Center Bldg?

AR226-2440 p-I I '- ^ DOU6HTJF ., ^/21/97 01:39 PM i To: cc: Subject: ZIPFEL, PECKSR ROWANPE , REFSHACJ .

PROTOCOL 418-008: COMBINED ORAL (GAVAGE) FERTII,11'Y, DEVELOPMENTAL PFOS IN RATS (SPONSOR'S STUDY NUMBER: 6295.9) AND PF.RINATAt,/ POSTNATAL REPRODUCTION TOXICITY TABLE E20 (PAGE 1): I.ITTER OBSERVATIONS (NATURAI.1,Y DELIVERED PUPS) - ST)MMARY F2 GENERATION LITTERS ----------------- - --- ...................... ------------------- MATERNAL DOSAGE GROUP 1 11 HATERNAI, DOSAGE (MG/KG/I)AY) 0 (VEHICI,E) 0.1 ----------------------- ----------------------------------------------- DELIVERED LITTERS WITH ONE OR MORE LIVEHORN PUPS N 22 21 ......-----------------------------111 0.4 -------------------------------------- 24 PUPS DELIVERED ITOTAL) N MEAN+S.D. 316 14.4 + 3.5 325 15.5 + 2.5 357 14.9 + 2.6 LIVEBORN MEAN+S.D.

Microt MICROBICS MICROTOXO TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95 or as partofthe mixed productFM-3820 (see Remarks). (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsaltC,AS # 2795-39-3) Remarks: The testsample isFM-3820, a mixtureofthe testsubstance in diethyleneglycolbutyletherand water (approximatel2y4-28% test substance indiethyleneglycolbutyletherand water).Calculationswere made toadjusttestvaluesforthe upper limictoncentrationofthe test substance (28%) inthe testsample and no adjustmentwas made forthe presence ofthe diethyleneglycolbutyletheror water as noted below.

Two Year Oral (Diet)Toxicitv/ Carcino.eeniciSttvudv of FluorochemicalFM-3924 in Rats Riker Experiment No. 0281 CRO01 2 Review bv Dr WilliamH Butler At therecuestof 3M CorporateToxicoloev.I have reviewed the above studv with specific regardto the evidenceof carcinogenicitoyf FM-3924.

N OTOX Sof ty a Environm*ntal Restarch LV.

REPORT Twenty-eight-day Toxicity Study Repeated of Sample Dose Oral D-1 in Rats (BMR 14 3 C) Bio-Medical Research Laboratories Co.