A R X & - 0 5 (0 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

SRPT T-6295.8, T-6316.4, T-6868.2, T-7071.1, T-7132.1 A g 2 t > - / 3 / DT15-B E.

AR226-1864 it RESEARCH *, Proven Results

AR226-2069 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT FROM 1--Jan-1988 TO 3i-Qct-i99i 31-Oct-1991 Page 1 AREAS FLUOROCARBONS - HOMOPOLYMERS CHEMICAL SAMPLE LOCATION *:CONTROL C--8/FC--143 10E FINE POWDER DRYER OPERATOR DATEs lE-Apr-1988 NOTEBOOK!

AR226-2083 C-8 SAHPLIH6 PROJECT PA6E 1 OF 41 SUHHARY OF SPECIAL C-8 SAMPUN6 PROJECT Jennifer Nichols Environmental Lab LSE 9-16-97 EID093252 KID137016 RJZ021182 '.I C-8 SAMPLING PROJECT PAGE I OF 41 TABLE OF CONTENTS - PASE TITLE PAGE........... .................... ......... 1 TABLE OF CONTENTS.................................. 2 INTRODUCTION ....................................... 3 SUMMARY OF AIR MONITORING........................... 4 SUMMARY OF WIPE SAMPLING............................ 5 ATTACHMENT 1: AIR SAMPLING RESULTS ............ ..... . 6 SUMMARY OF AIR SAMPLING PATHSFORWARD.................. 24 ATTACHMENT 2: INVESTIGATION OF HVAC UNITS............. 26 ATTACHMENT 3: SURFACE WIPE SAMPLING RESULTS ........... 30 WIPE SAMPLING CONCLUSIONS/PATHSFORWARD............... 36 FIGURE 1: ROOF HVAC SAMPLING LOCATIONS (AIR) ........... 37 FIGURE 2: ROOF SAMPLING LOCATIONS (WIPE) ........... 38 FIGURE 3: PERCENT RECOVERY OF WIPE SAMPLES........... 39 FIGURE 4: AVERAGE VALUES AT ROOF LOCATIONS........... 40 REFERENCES ......................................... 41 RJ202J183 EID093253 EID137017 C-8 SAMPLING PROJECT PAGE 3 OP 41 In response to the Summary of 1995 C-8 Blood Testing (Playtls, 1995) results, and subsequent 1996 Industrial Hygiene Follow-up Report (Playtls, 1996), an extensive sampling campaign for C-8 in air and on surfaces (wipe testing) was conducted in Teflon* areas.

AR226EDD0074384 CO CM Current Permit/Application/PDF #_________ 1823A 815D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate la less than the total particulate reported in Air Emissions Inventory which can include polymer dust.

AR226-2295 ^ Paul J Bossert 01/28/2003 05:05 PM To: cc: S u b je c t Gerald L Kennedy/AE/DuPont@ DuPont, Robert W Rickard/AE/DuPont@ DuPont Catherine A Barton/AE/DuPont@ DuPont, David M Rurak/AE/DuPont@ DuPont, John R Bowm an/AE/DuPont@ DuPont, M.

AR226-2562 Meeting Notes - September 25,2001 Washington Works Groundwater Model A meeting was held on September 25, 2001, at EPA headquarters in Philadelphia to discuss the groundwater model developed for the Washington Works Plant in Parkersburg, WV.

AR226-2692 \ AR226-2692 DuPont EMSE Report No. 13-03 Study Title Ready Biodegradation of 8-2 Telomer B Alcohol (Modified OECD 301D Closed Bottle Test) Test Guideline Organization for Economic and Cooperative Development (OECD) Guideline for Testing of Chemicals; Section 3: Ready Biodegradability: 301 D Closed Bottle Test (1992).

AR226-2798 DuPont HLR 61-94 Study Title STATIC, ACUTE, ro-HOUR LC50 OF B-19704 TO BLUEGILL SUNFISB, Lepomis macrochirus Laboratory Project ID "askell Laboratory Report No. 61-94 Data Requirement United States Environmental Protection Agency 40 CFP 797.1400 Fish Acut'Toxicity Test Toxic Substances Control Act Author Keith B.

i\ AR226-2879 mmf Copies to: E.

CCR C ytotest Cell R esearch GmbH & Co.

AR226-3075 snidv Title Inhalation Toxicity Screen wi rf hnrtflP> Project.1C HL-1997-00600 Author David P.

AR226-3101 ]- Wit/VFJ Huntingdon i= CONFIDENTIAL DPT434/984093 BACTERIAL M UTATION ASSAY Sponsor DuPont Specialty Chemicals, JCahcakmsobnerLsaWboorraktos,ry, NDUSeJeA0p8w02at3e,r, Research Laboratory Huntingdon Life Sciences Ltd., ESuyfef,olk, IEPN2G3 L7APXN,D Final report issued 1 October 1998 _ y Company Sanitized.

AR226-3151 DuPont-3906 TRADE SECRET Study Title H-24256: Bacterial Reverse Mutation Test in Salmonella typhimurium and Escherichia coli Laboratory Project ID: DuPont-3906 Test Guidelines: U.S.