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).

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IA77 March 21, 2003 To: Mary F.

3 GLP10-01-02 Interim Report 12: Analysis for PFOS, PFHS and PFBS in Decatur, AL Off-Site Soils Collected September/October 2010 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principle Analytical Investigator Cleston C.

f GLP10-01-02; Interim Report 22 Analysis of PFBS, PFHS, and PFOS in Groundwater 3rd Quarter Sampling - 2011 GLP10-01-02; Interim Report 22 - Analysis of PFBS, PFHS. and PFOS in Groundwater Samples Collected from Decatur.

GLP10-01-02; Interim Report 24 Analysis of PFBS, PFHS, and PFOS in Groundwater Decatur, AL - December 2011 GLP10-01-02: Interim Report 24 - Analysis o f PFBS, PFHS, and PFOS in Groundwater Samples Collected at the Former Sludge Incorporation Area (FSIA) located in Decatur, AL.

Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

MICROBIOS MICROTOX TOXICITY TEST Aft 336-0113 -/?

BACK TO MAIN 3M Environmental Laboratory Biodegradation Studies Executive Summary of Biodegradation Studies 3M has completed a series of studies of the biodegradability of various fluorochemical materials based on EPA Guidelines OPPTS 835.3200, OPPTS 835.3210 and/or OPPTS 835.5045.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231 -8032 Fax: (814) 231 -1253 or (814) 231 -1580 Analytical Report Fluorochemical Characterization of Surface Water and Sediment Samples Port St.

BACK TO MAIN SELECTED FLUOROCHEMICALS IN THE DECATUR, ALABAMA AREA Preparedfor: 3M St.

Larry R.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BIODEGRADATION BACK TO COMPOUNDS STUDY TITLE Biodegradation Executive Sum m ary COMPOUND LABORATORY REPORT NUMBER SUMMARIES The A erobic Biodegradation of N-EtFOSE A lcohol by the M icrobial A c tiv ity P re se n t in M u n icip a l W a s te W a te r T re a tm e n t S lu d g e N -E tF O S E E00-2252 Robust Sum m ary The 18-Day A erobic Biodegradation Study of PerfluorooctanesulfonylBased C hem istries 18 Day PFOS 18 Day PFOA 18D ayFO S A 18Day N-EtFO SAA 18 Day N -EtFO SA 18 Day N-EtFOSE The 35-Day A erobic Biodegradation Study of PFOS PFOS E01-0415 E01-0444 Robust Sum m ary Robust Sum m ary

KnvironnuTital Tit'hmilojjv and Svnicts I'O Hi |\ <; i l | Si.

PFOS: 2f R % A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE FRESHWATER MUSSEL (Unio complamatus) 0 0' l I FINAL REPORT WILDLIFE INTERNATIONAL LTD.