C orporate O ccupational M edicine 3M Center, Building 220-3W-05 St.

AR226-2064 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT FROM 1-Jan-1988 TO 31-Oct-199l 31-Oct-1991 Page 1 AREA; FLUOROCARBONS - COPOLYMERS CHEMICAL SAMPLE LOCATION * 5CONTROL C-S/FC-143 216 PERSONAL SAMPLE-WET FINISHING * DATE; 1i-Apl-- 19BB NOTEBOOK; 3 1 2 4 1 ,P1ES EMPLOYEE #04512 DURATION; 0390 CONCs 0.116 MPB PERS CODE; SAMPLE TYPE; P PERCENTAGE; 21% C-B/FC-143 216 PERSONAL SAMPLE-WET FINISHING *8 DATE; IB-Apt-- 1988 NOTEBOOK; 31241,P128 EMPLOYEE #04304 DURATION; 0660 CONG; 0.096 MPB PERS CODE; SAMPLE TYPE;P PERCENTAGE; 17% C-B/FC-143 216 PERSONAL SAMPLE-WET FINISHING *i DATE; 3-May-1988 NOTEBOOK; 31241,PI32 EMPLOYEE #04538 DURATION; 0660 CONC; <0.03 MPB PERS CODE; SAMPLE TYPE;P PERCENTAGE; 5% C-8/FC-143 216 PERSONAL SAMPLE-WET FINISHING *: DATE; 22-Jun-- 1908 NOTEBOOK; 31241,P139 EMPLOYEE #04445 DURATION; 0660 CONC; <0.03MPB ' PERS CODE; SAMPLE TYPE;P PERCENTAGE; 5% C-B/FC-143 216 PERSONAL SAMPLE-WET FINISHING DATE; e-Aug-1938 NOTEBOOK; 31241,P149 EMPLOYEE #04512 DURATION: 0660 CONC; 0.12 MPB PERS CODE; SAMPLE TYPE;P PERCENTAGE; 21% C-8/FC-143 216 PERSONAL SAMPLE-WET FINISHING *; DATE: 17-Apr-- 1991 NOTEBOOK: 53235,P056 EMPLOYEE #04304 DURATION: 480 CONC; 0.049 MPB PERS CODE; 1SPC SAMPLE TYPE: P PERCENTAGE; 9% 216 PERSONAL SAMPLE-WET FINISHING *: DATE; 25-Apt-- 1991 NOTEBOOK; 53235,P056 EMPLOYEE #04445 DURATION; 480 CONC; <0.03 MPB PERS CODE; 18PC SAMPLE TYPE; P PERCENTAGE; 5% C-8/FC-J.43 216 PERSONAL SAMPLE-WET FINISHING *s DATE: 6-Jun-- 1991 NOTEBOOK: 53235,P059 EMPLOYEE #04512 DURATION: 480 CONCs <.03 MPB PERS CODE; PC SAMPLE TYPE: P PERCENTAGE; 5% C-S/FC-143 216 PERSONAL SAMPLE-WET FINISHING DATE: 1i-Jun-1991 NOTEBOOK: 53235,P059 EMPLOYEE #04304 DURATION: 480 CONC: .235 MPB PERS CODE; P C SAMPLE TYPE; P PERCENTAGE: 42% C-S/FC-143 216 PERSONAL SAMPLE-WET FINISHING DATE; 13-Jun-1991 NOTEBOOK: 53235,P060 EMPLOYEE #04304 DURATIONS 480 CONCs .250 MPB PERS CODE; PC SAMPLE TYPE; P PERCENTAGE; 45% AJP002131 EXD079767 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT FROM 1-Jan-1988 TO 31~0et-1991 31--Oct-1991 Page 8 AREA!

AfUlt-oiOG UNION C A R B ID E BUSHY RUN RESEARCH R.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Ocular Irritation Test with T-3493 in Albino Rabbits /Ume-ojp 0884EB0008 Safety Evaluation Laboratory Riker Laboratories, Inc.

Internal Correspondence de: M.

AR226-03MI TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) TEST SUBSTANCE______________________________ Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamlde, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8 ,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid, Lot 505 (cc842-3, F6309, L-1089).

k 2-*: c.

ACUTE TOXICITY TO FISH ARW W TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #30735-7).

AR A56 - 0lOl ACUTE TO XIC ITY 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 -3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR fi.S.6 - 0 *\o2> ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) 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).

Pathology and Toxicology Riker Laboratories, Inc. r"s Building 270-3S-05, 3M Center 'I St.

Afc 6 .

AR - 09/7 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

A IW 6 - 5 I5 .

AR226-2066 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT FROM 1-Jan-1988 TO 31-Oct-1991 31-Oct--1991 Page 1 AREA?