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L P h o n e : (814) 231-8032 BACK TO MAIN Fax: (814) 231-1253 or (814) 231-1580 Analytical Report FIuorochemical Characterizationof DrinIking Water Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-007F (Revision 2) (Revision Date 3/21/01) Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 1680'1 3M Environmental Laboratory Contact Kent R.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BIODEGRADATION BACK TO COMPOUNDS STUDY TITLE COMPOUND LABORATORY REPORT NUMBER SUMMARIES Biodegradation Executive Summary The Aerobic Biodegradation of N-EtFOSE Alcohol by the Microbial Activity Present in Municipal Waste Water Treatment Sludge N-EtFOSE E00-2252 Robust Summary The 18-Day Aerobic Biodegradation Study of PerfluorooctanesulfonylBased Chemistries 18 Day PFOS 18 Day PFOA 18Day FOSA 18Day N-EtFOSAA 18 Day N-EtFOSA 18 Day N-EtFOSE The 35-Day Aerobic Biodegradation Study of PFOS PFOS E01-0415 E01-0444 Robust Summary Robust Summary