BACK TO MAIN TOXICITY TO AQUATIC PLANTS (Freshwater Diatom, Navicula pelliculosa) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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: Sample obtained from 3M production lot number 217.

BACK TO MAIN Study Tit10 Acute Toxicity Of N2803-2 to t b Fathead ILIMw, RLnephleo p z 0 ~ 1 a .

BACK TO MAIN ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

BACK TO MAIN 3M Company EPI-0011 Page 1 of 5 INTERIM REPORT Epidemiology Medical Department 3M Company St.

Sponsor: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 4-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

AR226-1910 13p Ongoing PFOA Worker Study Ammonium Perfluorooctonoate: Cross-Sectional Surveillance of Clinical Measures of General Health Status Related to a Serum Biomarker of Exposure and Retrospective Cohort Analyses in a Polymer Production Plant 1 What...

JUNE 26, 1998 Page 1 ofI AR226-17.32 January 31, 2005 NEWS MEDIA RELEASE IMPORTANT NOTICE: `WATER USE REDUCTION ADVISORY ALL CUSTOMERS OF THE LITTLE HOCKING WATER ASSOCIATION ARE ASKED TO VOLUNTARILY REDUCE THEIR WATER USE ON A TEMPORARY BASIS IN ORDER TO REDUCE THE WATER DEMAND ON THE SYSTEM.

AR226-1972 CC; R.

AR226-2033 WASHINGTON WORKS " INDUSTRIAL HYGIENE REPORT FROM l-Jan-1995 TO l8-Dec-1997 AREA: E-LUOROCaRBOMS - COPOLYMERS IB.Dec-1997 Page 1 CHEMICAL SAMPLB LOCATION *;CONTROL -8/FC-143 610| DATS; 9-JuX-J DURATION; 390 SAMPLE TYPE; P [BEAD SWECO NOTEBOOK: SCREEMER OPERAT TCP02,P293 EMPLOYEE ftOOOOO C^dhw COKCi 0.02 MPB PERCENTAGE s 4 % PERS CODEs 18PJ ^f^^'h ^V^^ ^.

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AR226-2212 Chris E Shoop 11/07/2001 04:47 PM To: cc: Subject: Debbie J Mu!

AR226-2227 ^y Roger J Zipfel ' 12/10/2001 02:15 PM To: cc: Subject: Steven L Grise/AE/DuPont@DuPont Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont Updated spread sheet Steve, to the spreadsheet that I had sent to Rob indicating the gas/solids split in the C-8 scrubber exhaust stacks, I have now added the normal operating flow range coming out of these stacks.

AR226-2504 Stfci-il WBMiiiCfl.i'.'

AR226-2640 AR226-2640 Shimizu Works Groundwater Sampling Results Aug. 5-7, 2002 Scope of Work Summary Sampling Points - 8 operating pumping wells (other shallow wells at site were dry) - site WWTP effluent going to public trench (Well 9) - surface water trench outside site along access road (Well 10) Analytical Program - FC-143 (by Eygen Labs) - Priority Pollutant VOCs/SVOCs/Metals SHIMIZU WORKS LAYOUT WELLllO(B(M>) SHIMIZU WORKS GROUNDWATER SAMPLING-AUG. 5-7,2002 ANALYTICAL RESULTS SUMMARY (IN UG/L) "Sam'plelO--I ---^^------^^------^y------^^r,,....-^^,..,,..

AR226-2787 FOR DU POMT USE ONLY Haskell E.