THE DEVELOPMENT SERVICES COMPANY Sponsor: 3M St.

AR226-1030A031 BACK TO MAIN Analytical Data Summary PFOS, Primary Standard - Test Control Reference #TCR-00017-046 S o lu b ilit y in W a t e r , Na t u r a l S e a w a t e r , an A q u e o u s So lu tio n of 3.5% S o d iu m C h lo ride, and n-O ctano L with S ubsequent Calculation of the n-O c tan o l:Water Pa r t it io n Co e ff ic ie n t (KoW) of PFO S fo r each of t h e A q u e o u s Ma t r ic e s Author Mark E.

BACK TO MAIN 3M ENVIRONMENTAL LABORATORY INHIBITORY EFFECT OF L-13492TO MICROBICS* MICROTOXTM TOXICITY ANALYZER SYSTEM REPORT COMPLETED: 7/26/95 Prepared by: Susan A.

BACK TO MAIN Executive Summary of Hydrolysis Studies 3M has completed a series of studies of the hydrolytic reactions of various fluorochemicals.

BACK Study Title Characterization Study of PFOS, Primary Standard - Test Control Reference # T C R -0 0 0 17-046 ` Ph ase: Solubility of PFOS in Natural S eawater and an A queous Solution o f 3.5% Sodium Chloride Data Requirement 40 CFR 160.105(b) Author Mark E.

02/28/2001 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B A C K T O MAIN LAB REQUEST NO. 8442 REQUESTOR NAME: EAR DEPARTMENT: 0535 PROJECT NO: 9970012600 DATE RECEIVED: 09/07/1982 DESC: ENVIRONMENTAL SCREEN ON L-6778 CONTRACT LAB(S): EXP COMP DATE: 11/12/1982 DATE COMPLETED: 11/09/1982 PROJECT LEAD: PHONE NO: 3M FAX NO: 651-778-6176 EVAPORATE TO DRYNESS UNDER AIR OR N2.

3M Environmental Laboratory ARIU-coSH Exact Copy o f Original T ** &W\is l i n O Initial Date Method v y -2 - Determination of Perfluorooctane sulfonate (PFOS), Perfluorooctane SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN WATER BY LlQUIDSolid Extraction and High-Performance Liquid Chromatography/Tandem Mass Spectrometry (HPLC/MS/MS) Method Number: ETS-8-154.0 Adoption Date: & H j z i ) l x > o Q Author: Kristen J.

Pathology Associates International A Company of Science Applications International Corporation A nB npk9tC m m dO otiitm nr Sponsor: 3M St.

Acute Oral Toxicity Screen with T-3066COC in Albino Rats Experiment No.: Conducted At: Dates Conducted: Conducted By: 0981AR0146 Safety Evaluation Laboratory Riker Laboratories, Inc.

AR23-03W SOIL ADSORPTION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or 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: Material is an off-white, waxy solid of uncharacterized purity.

5 OTHER AVAILABLE STUDY SUMMARIES FOR N-EtFOSE ALCOHOL TEST SUBSTANCE_________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or 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: Material is an off-white, waxy solid of uncharacterized purity.

A R 30 - o w a BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, orFC-109-X.

ARMrcm^ MUTAGENICITY EVALUATION OF T-2015 CoC IN THE AMES SALMOREtn/MICROSOME ----------- F CTTE TEST------------- FINAL REPORT SUBMITTED TO: 3M COMPANY 3M CENTER SAINT PAUL, MINNESOTA 55101 DB BIONETICS Utton SUBMITTED BY: LITTON BIONETICS, INC. 5516 NICHOLSON LANE KENSINGTON, MARYLAND 20795 LBI PROJECT NO. 20838 FEBRUARY 1978 C00165 I.

A d SiG - o G G O N-Et FOSE alcohol Teratology - 000375 HAZLETON LABORATORIES AMERICA.

M 236 - O 77#- ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ _ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).