Document we3w0kKLnD2ekEo67G35Y3x6

Idli[e International, Ltd. ECOTOXICOLOGY & ANALYTICALTESTING SERVICES December 1, 2000 Ms. Susan A. Beach 3M Corporation Environmental Laboratory 935 Bush Avenue St. Paul, Minnesota 55144 Dear Susan: Enclosed please find the Addendum for the following study: 1. PFOS: AN ACTIVATED SLUDGE, RESPIRATION INHIBITION TEST WILDLIFE INTERNATIONALL, TD. PROJECTNO.: 454E-101 If you have any questions, please let me know. Sincerely, l(.RD/cyw8/beach Enclosures Edward C. Schaefer Manager, Biodegradation 8598 Commerce Drive Easton, Maryland 21601 -Tel.410-822-8600 - Fax 410-822-0632 E-mail ecotoxowildlifeintemational.com EuropeanO_ice:BergkampwegI 7231CLWamsveld-The Netherlands-Tel.31(135) 75- 573848. Fa_c31(0) 575- 574813 E-maila: leopold_worldonline_