RM* - 3 * 6 0 442 DuPont Haskell Laboratory for Health and Environmental Sciences AIU ltf_3* TO: FROM: WMR FILE POCKET H-25425 1 J.

% AR226-3322 P raJiH 'inav'j S c e ^ O oOMMCa i m <y- Tay Perfluoroalkyliodide (Rfl) Homologue Distributions DuPont currently producesMBdistinct pure homologue or mixed homologues distillation cuts -.\ - Homologue distributions, and therelative balance between products, are governed by iht0|hi lrrd|extrnal customer requirements DuPont Confidential - Draft!!

y}R,6_ 3W* 000410 RUM- TEFLON FINE POWDER/DISPEKSION OPERATORS C-8 BLOOD SAMPLE RESULTS C-8 in Blood (ppm) First Sample Second Sample Change 26.0 20.0 -6.0 24.0 25.0 +1.0 11.0 8.2 -2,8 9.4 7.9 -1.5 8.2 6.5 -1.7 7.0 7.7 +0.7 6.9 5.9 -1.0 5.6 4.2 -1.4 ..,,4.4 4.3 ; 3.9 4.9 +0.5 5.6 +1.3 3.6 -0,3 3.6 2.7 -0.9 3.5 2.1 4 2.9 2.8 -0.1 2.8 2,8 0.0 2.6 2.4 -0.2 2.5 1.8 -0.7 2.5 2.5 0.0 2.1 1.6 -0.5 1.6 1.5 -0.1 1.5 1.2 -0.3 1.3 1.1 -0.2 JWR:Idr/10/19/83 Bays Between Samples 363 364 391 364 363 364 337 334 365 401 364 362 363 357 365 391 336 349 288 384 366 362 % Per Year Change -23 +4 -24 -16 -21 +10 -16 -27 +13 +27 -8 -25 -40 -3 0 -7 -28 0 -30 -6 -20 -15 000411 TEFLON FEP OPERATORS C-8 BLOOD SAMPLE RESULTS C-8 in Blood (ppm) First Sample Second Sample Change 7.5 6.6 -.9 4.5 3.7 - A 3.1 2.8 -.3 2.1 1.5 -.6 1.8 1.1 -.7 1.8 1,6 -.2 1.6 1,4 -.2 1.25 1.20 -.05 1.20 0.95 1.00 0.79 -.2 -.16 0.86 0.75 -.11 0.75 0.72 -.03 '*i o 00 0.52 0.44 0.51 0.48 -.03 0.42 0.39 -.03 0.41 0.46 +.05 0.38 0.36 -.02 Days Between Samples 362 380 384 364 364 392 393 171 333 391 565 364 365 337 445 363 363 o p-i a % Per Year Change -12 -17 -9 -29 -39 -12 , -9 -18 -7 -8 -4 -15 -6 -6 +12 -5 JWR:Xdr/10/19/8.3 000412 SHORT SERVICE OPERATORS C-8 BLOOD SAMPLE RESULTS Fitie Powder Last Saoule PPM .02 .19 .93 4.00 *** FEP Days in Job 61 212 375 603 .05 95 .05 124 .15 135 .05 165 .23 492 .66 266 PPM Per Year Change +.09 +.24 +.03 - .18 +.15 +.10 +.38 +.09 +.24 -.24 JWRldr 10/19/83 000413 HEW HIRES - TEFLON Date of First Sample 07/28/81 10/01/81 10/07/81 10/13/81 Date Hired 'C-8 Blood Level (ppm) 07/27/81 <0.007 08/03/81 0.009 04/20/81 0.007 04/20/81 : 0.015 Months on Plant Before First -8 Blood Test 0 2 5 1/2 5 3/4 JWR:Idr 10/19/83 000414

- 3V- 7 A R .& Z6 - }lf 1 ORGANIC FLUOROCQMP PONDS IK BLOOD In May, 1978/ 3M informed Du Pont of findings of organic fluorocompounds in blood of employees exposed to long-chain perfliioro-surface active materials. 3M reported airborne contaminant levels up to 81 ppm in their operations and organic fluorine blood levels of 1 to 71 ppm for exposed workers. 3M reports that some level of organic fluorine in humans is normal/ i.e. equal to or less than 1 ppm.

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

ARag _ z x r g TSCA NCIC Notification Form for CBI Documents Docket Number: ______ f i l W h Document Control Number: Document Date: >Document Type: ______ e>o t r F ________ c ;.

AR226-3584 January 18, 2006 18uo f* t # t , f!

AR226-3641 3M ENVIRONMENTAL LABORATORY REPORT NO.

Katherine E.

P-1 COMPANY SANITIZED - Does not contain TSCA Confidential Business Information (CBI) DAUUN AZza _ 3730 fi o>2 <> DAIKIN AMERICA, INC. 905 State Docks Road (35601) P.O.

3M ENVIRONMENTAL LABORATORY REPORT NO.

LSL6- 0 6 lj- PFOS Medical Surveillance/Epi - t - 000023 Internal Correspondence August 2000 Memo to File re: OUS pooled samples Pursuant to a review of my file, there are raw data for several other pooled human sera sample results for PFOS dating from 1999.

_ o 6rg N-Et FOSE alcohol Teratology - / &- 0^0324 ( 0 H A Z L E T O N LABORATORIES AMERICA, INC. v t < k s N < * a a 4s o . u f t .

AA 6 - Oi3^ ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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: The 3M production lot number was 2367.

f t k 26 - 0 ^ 0 0 BIODEGRADATION (MANOMETRIC RESPIROMETRY - ANAEROBIC) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate;, which may also be referred to as PFOS, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (CAS # 2795-39-3).