R K i-O II ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH4+ salt or FC-93. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS #29081-56-9) Remarks: Test sample was taken from 3M production lot #1.

3(f 3M Specialty Materials 3M Center St.

NOTOX Safety & Environmental Research BV.

Internal Correspondence B A C K TO M AIN t, Commercial Chemicals Analytical Report #247 To: M.

BACK TO MAIN Study Title Growth and Reproduction Toxicity Teat with N2803-2 and the rreshwater Alga, S1tnaetrua caprlcornutua Data Requirement) Guideline Number U.s.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE_____________________________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

BACK TO MAIN Study Title Solubility Study of Perfluorooctanesulfonate (PFOS), SD-018 and Perfluorooctanesulfonamide (FOSA), SE-027 in Male/Female Human Urine Data Requirement 40 CFR 160.105(b) Author Mark E.

3M Environmental Laboratory Method Analysis of Potassium Perfluorooctanesulfonate or Other Fluorochemicals in Liver Extracts Using HPLC-Electrospray/Mass Spectrometry Method Number: ETS-8-7.0 Author: Lisa Clemen, Glenn Langenburg Approved By: Adoption Date: 0 Revision Date: fJfV Laboratory Manager Date Group Leader A diiArU- Technical Reviewer Date O l i n /??

AKKi - o a Q '1 XToxicity to Algae (Selenastrum capricornutumj'tqr PM-3820 (28% PFOS) EnviroSystems of Resource Analysts, Inc.)

Covance Studies The attached report summarizes the results from the assessment of mitochondrial bioenergetics of hepatic mitochondria isolated from rats treated for 3 weeks with one of 4 doses (plus control) of dietary FC10.

HAZLETON LABORATORIES AMERICA.

Corning Hazleton Inc.

m & - Ol Attachments to Letter to C.

Internal Correspondence 5| I tI i rI i V; To From: Subject: Date: D.