.r E YB!

Wildlife International, Ltd. -1- ,ro_o_ Number 454A-102 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE FATHEAD MINNOW (Pimephales promelas) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

Idhfe International, Ltd.

wt a SLanadmMVyiceR.ecPZoobsDetrleoMnrD ME 5M Medical Department 8MP1l7aG5el3neNS:1N8B1u$iO5d1fi6nf8g1(020200.06:%08 661733 S152 Fax 3M June 27,200 : Sue Shallal, Ph.D.

SDRTPITST-B6295.8, T-6316.4, T68682, T20711, T7132. 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY T-6295),`TNi-tleet:hCyolmppearrfalutoirvoeocMtoalneecsuullafronBaimoildogoyeotfhaPneorlfl(uNo-rEo(ocFtOaSnEe,suTl-f6o3n1a6t)e,(NP-FEOtSh,yl acepteartfel(uoFrOoSoAcAta,nTe-s7u0l7f1o)n,amaindde/o(rNP-eErFfOluSoAr,coTc-t6a8n6e8s)u,lPfeornfalmuiodreo(oFctOaSnAe,suTl-f7o1n3a2m)iodfo in Rats and Guinea Pigs following Oral dosing.

Report 01-1256 PFOS: A Reproduction Study with the Mallard Study Title PFOS: A RANEAPLRYOTDIUCCATLIPOHNASSTEURDEYPWOIRTTH FTOHRE MALLARD.

AR226-2104 WSCSVS^BfSSSWWWt^lWW Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene wm 1201/77 100% Sample Dt Sample Duration Type Employee Nairn!

TasfReiiulte AR226-2127 fae:///C|/WINDOWSArEMP/PolyroeCrs-8 7-24-78 tfara 1-3-98 23 pages.hta lof43 Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene 7/24/78 1/3/98 100% Sample Dt Sampled Duration type Employee Name Pets BTO; LOG: 18 TEFLON COPOLYMERS 001 FEP OVENS NORTH SIDE 12/19/79 47723 Z 1/15/80 47724 Z 1/22/80 47726 Z a/a/so 47726 Z Chemical Cone Unit Percent C-8 0.0005 PPM 0.0% C-8 0.0006 PPM 0.0% C-8 0.0009 PPM 0.0% 08 0.0095 PPM 0.0% BTO: LOC: 18 TEFLON COPOLYMERS 002 FEP OVENS SOUTH SIDE 12/19/79 47601 .Z. 1/25/80 47602 Z C-8 0.0001 PPM 0.0% C-8 0.0031 PPM 0.0% BTO; LOC: 18 TEFLON COPOLYMERS 003 #1 OVEN COOLING TOWER 2/5/81 54696 Z 2/11/B1 54697 Z 3/17/81 54688 Z 5/23/81 54699 Z 8/10/81 54700 2 8/11/81 54701 Z C-8 0-8 C-8 C-8 t> C-8 C-8 0.0001 PPM 0.0% <0.0001 PPM 0.0% 0.0002 PPM 0.0% -0 <0.0001 PPM OS '0 0.0% )--* 0.0001 PPM 0.0% <0.0001 PPM 0.0% 8/28/20014:49 EID129308 TesfResults fiW//C|/WINDOWS/TEMP/PolymeisC-8 7-24-78 thru 1-3-98 23 pagesAtm 8/12/81 S4702 BTO: LOC: 18 TEFLON COPOLYMERS 004 US.

APPENDIX 2 AR226-2379 AHALTOICAL TECHNIQUE USED TO DETERMINE C-8 CONCENTRATION IM AQUEOUS SOLUTION The basis for the analytical technique used to determine the C-8 concentration Itt an aqueous solution was Polymer Products Departnent method Code No.

AR226-2397 B(^ polymer Products Department Research & Development Division Experimental Station cc: M.

AR226-2432 ywpuwiylWwwMW'-.S'WA- w. ~- H"^ Z1PFEL H" *" 08/06/93 08:19 AM s > To: RAMSEY.

AR226-2469 DuPont KBitingllili Waita P. 0.

AR226-2470 1/25/00 DRAFT Responses to GE questions made by Dale VaaDeVelde on 1/5/00. 7) C-8 storage and use history Dupont Fluoroproducts began the use of Ammonium Perfluorooctanoate, C-8, in the early 1950's.

AR226-2479 George Woytowich 09/20/2000 08:11 AM To: cc: Subject: Roger J Zipfel/AE/DuPontDuPont Robert L Ritehey/CUDuPont DuPont 9/18/00 Water Samples Do you think we should be able to pick up C-8 in the river on the cited tests?

AR226-2568 DraftW8/oi Privileged and Ccinlldenliat AttorneyWolk Product PtVpared h Anticipation ef Litigation WVDEP/DuPont Meeting June 13,2001 For DuPont: Andrew Hartten (CRG) Bob Ritchey (Wash.