Oral Rangefinder Study of T-2999CoC in Pregnant Rabbits Experiment No. : Conducted At: Dosing Period: Study Director: 0680RB.0019 Safety Evaluation Laboratory Riker Laboratories, Inc.

Acute Ocular Irritation Test with T-2997CoC in Albino Rabbits Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: M.

AR33&-0268 " -% li.rtR 7 iil 3M Synthesis and Characterization of N-Ethyl FOSE- 14C December 11, 1980 Conducted at: During: Commercial Chemicals Division and Riker Laboratories, Inc. 3M St.

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P) EsnniSKEDtcox E.

AR226-2929 FOR DU PONT USE ONLY HLR 411-85 HASKELL LABORATORY REPORT NO. 411-85 Title of Report STATIC ACUTE 48-HOUR EC501 OF TO Daphnia magna E.

M 2.2.6 _ 0 7*75" ACUTE TO XICITY TO FISH TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203S. (1Octanesulfonic acid) (CAS # 2795-39-3).

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AR 226 -- 0835 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IEST~S ~UBSTANCE 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 628.

.

BACK TO MAIN SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

AR226-1980 'Is "TO / :

FOR DU FONT USE ONLY ; CC AR226-2908 0.

REV F1 American Pacific Corp (2-BTP Clean Fire Extinguishant) Exhibit A - Additional Background on the Effort to Replace Severe Ozone Depleting Halons with 2-BTP A.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl@, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidofuncharacterizedpurity:The limitedwater solubiliotfythismaterialprohibiteda definitive determinationofthe aquatictoxicity.