AR 886 -- 077% TOXICITY TO AQUATIC PLANTS IESTsuBSTANCE Identity: MreifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesauclfoomnpaotenewnhticohf mFCa-y2a0l3sFoCb.e (1Octanesulfonic acid) (CAS # 2795-39-3).

WASHINGTON WORKS INDUSTRIAL HYGIENE YEARLY REPORT l-Oct-1990 to 30-Sep-1991 ABEAs FLUOROCARBONS - HOMOPOLYMERS AR226-2067 l-Mov-1991 Page 19 c-a/yc-143 070 c-a RECOVERY BLDG DATEt"3l-Jan-1991 NOTEBOOK; 53235,P049 DURATION* 450 CONCt <0.03 MPB SAMPLE TYPES P PERCENTAGE; 5X * EMPLOYEE #03097 PERS CODEt 08PI C-8/FC-143 070 C-8 RECOVERY BLDG DATEl 5-Feb-1991 NOTEBOOK!

AREA: AR226-2082 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT 8-AU9-19&7 Page I FROM l-Jan-1995 TO 31-JU.1-1997 FLUOROCARBONS - COPOLYMERS CHEMICAL SAMPLE LOCATION *tCONTROL C-8/FC-143 210 #1 COAGULATOR-2ND FLOOR DATE; 7Mar-l995 NOTEBOOK: TCP01,P807 DURATIONS 390 CONCi 2.01 MPB SAMPLE TYPES A PERCENTAGE!

We are Chinese enterprise specializing in the production of fluorine materials.

AR226-3016 Study Titl Bye Irritation Test vith B-21095 in Rabbits Laboratory Project ID Baskell Laboratory Report No. 271-95 Author Carol Finlay Study Completed On April 20, 1995 Performing Laboratory Haskell E.

AR226-3130 TRADE SECRET Study Title H-24119: Eye Irritation Test in Rabbits Laboratory Project ID: DuPont-3312 AUTHOR: Tracy A.

'"tiAZLEMON W A S H IN G T 0 N 9200 LEESBURG PIKE VIENNA.

InternCaolrrespondence -7 3M TO: From: SUBJECT: DATE: Clair Murphy - 116-1 - 01-064 Tom Pietrs 22-1 - 01/064 Dean Dworak 41-1 - 01/064 Cliff Ruschmeyer- 116-1 - 01/064 John Pilney- 47-1 - 01/064 Tom Christ - 110-1 - 01/064 Gordon Weum - 47-1 - 01/064 Glenn Damerell- 70-1-01 - 01/064 Larry R.

CAS Number 31506-32-8 3M Company Voluntary Use and Exposure Information Pro:rile N-Methyl perfluorooctanesulfonamide 1.

CAS Number 376-14-7 3M Company Voluntary Use and Exposure Information Profile N-ethyl perfluorooetanesulfonamido ethyl methacrylate 1.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

NITRIFICATION INHIBITION TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

MICROBICS MICROTOX(@ TOXICITY TEST TEST SUBSTANCE Identity:MixturecontainingPerfluorooctanesulfonatmea;y alsobe referred toas PFOS, FC-95, oras a component ofFC-3072. (1Octanesulfoniaccid)(CAS # 2795-39-3).

P. 1 DuPont-18318 TRADE SECRE T Study Title Ammonium Perfluorooctanoate : 28-Day Immunotoxicity Study in Male Mice TEST GUIDELINES : U .S .