AR226-2628 CD Q310A03H Appendix 1 Chemical Analysis o f Concentrations in Groundwater C8 (pgA); period 1993 to 1996 D uP ont coordinates M onitoring Eastern Northern Well [m] [m] Freatic la1yer 1947 2204 2190 1998 2082 2084 2243 2296 546 108 350 118 627 119 663 301 683 302 671 303 686 305 633 307 2208 513 308 1950 1950 592 310 608 311 1950 1950 2237 625 312 640 313 405 314 2275 279 315 2058 2106 677 316 689 317 2240 575 318 First aquifer 2235 2275 1543 1930 405 MF-02 277 MF-03 19 N-07 20 N-08 2038 2319 2004 20 N-09 20 N-10 69 N-13 2355 119 N-15 2008 467 N-17 1900 277 N-18 2030 352 N-19 1929 177 N-20 1855 404 N-21 2174 272 N-23 2108 -7 N-25 1975 -100 N-26 1872 -17 N-27 1989 99 N-28 2104 84 W -02 1890 68 W -03 2087 668 W -05 1969 426 W -06 1944 275 W -08 1880 23 W -09 Second aquifer 2030 2174 352 N-19 272 N-23 198S 196$ 1944 9S N -28 420 W -06 27E W -0 8 Date o f sam pling Average 1993 feb '94 okt '94 aug '95 dec '95 mrt '96 concentration 1700 1.6 170 79 3.9 5500 260 82 56 280 250 480 24 100 100 190 70 510 1900 0 0.5 13.0 11.0 13.0 0.0 0.4 0.4 0.2 0.6 0.35 1.5 3.9 0.7 28.0 0.0 0.6 0.2 0.1 33.0 1.9 1.1 9.7 9.0 9.7 15.0 5.9 0.3 1.0 7.3 7.1 0.1 9.4 0.4 0.3 CC C. 0.2 0.1 0.1 0.1 2 170 90 4 5500 1700 260 190 76 56 280 250 480 24 100 510 1900 0 0.1 33.0 1.9 0.8 10.6 12.4 8.5 0.3 13.0 0.0 0.4 0.4 0.2 1.0 7.3 7.1 0.1 9.4 3.9 0.7 28.0 0.2 0.8 0.2 0.2 0.1 0.1 0.0 0.1

AR226-2644 33 AR226-2644 SPRUANCE TEFLON PROCESS AND WASTE WATER TREATMENT SYSTEM CHARACTERIZATION FOR C8 The procedure, which follows, has been prepared to address the sample collection need for C8 analysis o f w aste w ater samples including: 1.

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AR226-2867 Copies E.

AR226-3030 CCR PROJECT 509800 GENE MUTATION ASSAY IN CHINESE HAMSTER V79 CELLS IN VITRO ( V79/ HPRT) WITH REPORT Study Completion Date: October 06,1995 RCCComPan^ Sanze.DeS not contain TSCACBt Test Report C C R Project 509800 COPY OF GLP CERTIFICATE HFUAMEMSWSIILESILCETHU, EENSNDMEGRINEGSIISEUT,NEJDURHGIUEEMNITDF,R GLP-Bescheinigung Bescheinigung C ertific a te Hiermit wird besttigt, dafi die Prfcinnchtunj(cn| CCR C ytotest Ceil Research GmbH t Co.

AR226-3124 DuPont-3104 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE H-24119: STATIC, ACUTE 48-HOUR SCREENING TEST TO Daphnia magna PURPOSE: This is a rangefinding study designed to provide an estimate o f aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

M A M - 3 3 1If. 496 evelopmental Toxicity Study in Rats DuPont-10157 TRADE SECRET Study Title developmental Toxicity Study in Rats Laboratory Project ID: DuPont-10157 Test Gu id elin es: United States (U.S.)

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FLAIR DOCUMENTS AR226-3477 AR226-3477 FLAIR Work and Medical Historiesfo r A ll Employees A nd A ll Years Tuesday, November 09, 2004 Page 1 o f 897 0600 0340-S Date o fSample C8 Concentration UTILITY POOL FILAMENTS SERF OPER 8/8/1984 3/1/1985 3/15/1988 9/26/2002 9/27/2002 0.05 0.05 0.2 0 0 157 362 1472 6780 6781 12/3/1979 5/16/1980 5/16/1980 3/4/1984 3/4/1984 Tuesday, November 09, 2004 JBidacied *Prlraity Page 2 o f 897 0600 UTILITY POOL 0340-S FILAMENTS SERF OPER 0442-S POWER SERF OPER 1540-S C&P COLOR AND SERF OPER 1560-S C&P COLOR AND PROC OPER 0500 MECHANIC 3/15/1994 0.46 3/6/1963 5/6/1963 5/6/1963 1/2/1967 1/2/1961 2/12/1968 2/12/1968 10/21/1968 10/21/1968 1/31/1912 1/31/1912 Tuesday, November 09, 2004 Page 3 o f 897 Date o fSample C8 Concentration 0600 UTILITY POOL 0340-S FILAMENTS SERF OPER 0940-S BUTACITE SERF OPER 0600 UTILITYPOOL 0340-S FILAMENTS SER F OPER 0940-S BUTACITE SERF OPER 0700 LABORA TORIAN 0002-W MILITR Y SER FICE WAGEROLL 0700 LABORAT0R1AN 0760-S TECH LAB SR LABN 0500 MECHANIC 0500 TF MECHANIC TEFLON 2/22/1982 0.83 2482 6/28/1963 7/2/1963 7/2/1963 9/26/1963 9/26/1963 10/18/1963 10/18/1963 1/17/1964 1/17/1964 2/27/1964 2/27/1964 3/25/1964 3/25/1964 8/20/1965 8/20/1965 1/17/1966 1/17/1966 12/19/1961 12/19/1968 1/25/1972 1/25/1972 5/8/1975 5/8/1975 Tuesday, November 09, 2004 Redacted - Fjv Page 4 o f 897 Begin Date End Date_ 0600 UTILITY POOL 6/17/1959 7/20/1959 0251-H ZYTEL CASTER BLENDER (DAYS) 7/20/1959 4/11/1960 0600 UTILITY POOL 4/11/1960 5/16/1960 0340-S FILAMENTS SERV OPER 5/16/1960 11/18/1960 0001-W NO WORK (LAY OFF) WAGEROLL 11/18/1960 11/13/1961 0600 UTILITY POOL 11/13/1961 12/4/1961 0340-S FILAMENTS SERV OPER 12/4/1961 5/14/1962 0340-S FILAMENTS SERV OPER 5/14/1962 7/7/1963 0340-S FILAMENTS SERV OPER 7/7/1963 3/6/1966 0250-H ZYTEL BLENDER 3/6/1966 5/1/1966 0245-H ZYTEL MATERIALS HANDLER AND SUPPLY CLERK 5/1/1966 2/26/1967 0250-H ZYTEL BLENDER 2/26/1967 4/2/1967 0240-S ZYTEL POLY SERV OPER 4/2/1967 7/2/1967 0250-S ZYTEL CASTER BLENDER 7/2/1967 12/24/1967 0240-S ZYTEL POLY SER V OPER 12/24/1967 1/5/1969 0442-S POWER SERV OPER 1/5/1969 8/29/1971 0457-H POWER DRIVER 8/29/1971 5/10/1974 1441-H MECHANICAL SER V OPER 5/10/1974 1/13/1975 Tuesday, November 09, 2004 P ftife-vv01 Page 5 o f 897 0500 MECHANIC 0500 TF MECHANIC TEFLON 1/21/1982 0.19 1/13/1975 4/30/1978 4/30/1978 1362 Tuesday, November 09, 2004 Redacted - Pr'vac; Page 6 of 897 Job Code Job Title Begin Date End Date Date o fSample C8 Concentration Days in Teflon at Time o f Sample 060 UTILITYPOOL V TM 1977 6/29/1977 0340-S FILAMENTS SERV OPER 6/29/1977 10/1/1977 0840-S FP TEFLON TFE SERV OPER FINE POWDER 10/1/1977 10/2/1977 0840-S TEFLON TFE SERV OPERJFINE PWDR-DISP SERV O 10/2/1977 6/1/1978 0844-S 0844-S 0866-S TEFLON COPOLYMERS FEP SERV OPER 6/1/1978 6/12/1978 TEFLON COPOLYMERS FEP SERV OPER 6/12/1978 9/25/1979 1-7 724 TEFLON COPOLY TEFZEL-TEL A OPER/DISP FIN O 1/2/1980 7/15/1981 0.98 1383 7/12/1982 0.77 1745 1/2/1980 Tuesday, November 09, 2004 n.

c FETAL EXPOSURE TO PERFLUORINATED COMPOUNDS: DISTRIBUTION AND DETERMINANTS OF EXPOSURE AND RELATIONSHIPS WITH WEIGHT AND SIZE AT BIRTH. by Benjamin Joseph Apelberg, M.H.S.

Katherine E.

Final Report Mortality of Employees of an Ammonium Perfluorooctanoate Production Facility Jessica I.

W ater D epartm ent 167 M a in Street & N.J. 08872 T el. (732) 390-7060 Fax (732) 238-2147 January 4, 2008 State o f New Jersey Department o f Environmental Protection Bureau of Safe Drinking Water P.O.

P-1 "McCrea, Deborah" < m ccrea@ taftlaw .com > 10/28/2009 02:00 PM To NCIC OPPT@EPA cc "Bilott, Robert A." < bilott@taftlaw.com> bcc Subject 10/28/2009 Letter To EPA Docket Center A t 3i3-6- ) Taft/ /Deborah McCrea Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 /Tel: 513.381.2838* Fax: 513.381.0205 www.taftlaw.com mccrea@taftlaw.com ^3 \JD O so 1 ;o r'Tn.r*'* sr cx> Internal Revenue Service Circular 230 Disclosure: As provided for in Treasury regulations, advice (if any) relating to federal taxes that is contained in this communication (including attachments) is not intended or written to be used, and cannot be used, for the purpose of (1) avoiding penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or matter addressed herein.

ar &A6- 0 7 og ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-201F-X. (1Octanesulfonic acid) (CAS # 2795-39-3).