Attachments to Letter to C.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Ocular Irritation Test with T-3494 in Albino Rabbits Hm-oyy 0884EB0011 Safety Evaluation Laboratori ;* Riker Laboratories, Ine.

Pathology and Toxlcotogy RHcar Laboratories, Inc.

AR23-Ot(& PFOA and Associated Salts Synonyms: FC-26, FX-1001, PFO, FC-143, 78.03, FC126, N-2803-3, FX-1003, FC-118, FC-1015, FC-1015-X Physical/Chemical Properties Title Laboratory or Author Date Type Completed Water, acetone and toluene solubilitiy estimates - FC-143 3M Env.

AR 26 _ O&T!

AfUL26 - 06?

/\$ $.9.6 - 0 2 2 8 ACUTE TOXICITY TO AQUATIC INVERTABRATES (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-600. (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: The 3M production lot number was not noted.

M SLSlG - 0 2 6 0 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE______________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

f January 30, 2002 NAME A fL z - z , _ io s~ y - FLUOROPOLYMER MANUFACTURERS GROUP MEETING ORGANIZATION TELEPHONE # 2:00-4:00 PM E-MAIL dO ON .NiVlNQQ o w m Itic A VWNO- C \n .A U 3 _______ L v| i W Vipy;' 7 ' 7> & Pf\ / o p p r /?

3M Specialty Materials 3M Center St.

TRP S bodies G e n e ra l D e scrip tio n o f T e lo m e r M a n u fa c tu rin g P r o c e s s Radio-labeled Material Synthesis Description A cute O ral Toxicity - Fixed D o se Ranqe-Findinq Oral Toxicity - Repeated D o se Subchronic Toxicity - 90-day G a v a g e Study M o u se M icronucleus Test Bacterial R e v e rse Mutation (A m es) Test Pharm acokinetics: Pilot Experim ents (1 4 C ) P hy sico-C hem ical Properties of 8 -2 Telom er Alcohol: Ultraviolet / Visible A bsorption Spectrum , V ap o r Pressure, W ater Solubility, Sorption Properties Hydrolytic Stability Adsorption / Desorption: Soil, Sedim ent and Slud qe (1 4 C ) A e ro b ic Biodegradation (cold material, scre e n in g study, m ethod developm ent, standards preparation) - D u Pont study Aerobic Biodeqradation (14C ) A tm o sp h e ric D egrad ation / indirect P h o to lysis in A ir lo n q R anqe Transport Properties (Air /W ater) A cute Aquatic Toxicity Studies (Fish, Daphnia, Alqae) Microbial R espiration Inhibition T est Terrestrial Toxicity Studies (Earthworm , Nem atode, Plants) C hronic Toxicity (21-day Daphnia) C a n a d ia n R e s e a r c h P ro q ra m - Y e a r 1 Interim R e p o rt (M a b u ry et al.)

* NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 Robert A.

fiR RR & _ tb&o SRPTT-7(/ MIN 314/022208 PERFLUOROOCTANESULFONYL FLUOORRIDE (PO SF) BACTERIAL REVERSE MUTATION TEST Sponsor 3M Center 3M Corporate Toxicology Building 220-2E-02 St Paul MN 55133-3220 USA Research Laboratory Huntingdon Life Sciences Ltd.

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