Document 0qmz52VD8XLBo8Z2Xopzp9QEb

Karine E Ret, 0. SM Emon Heath snd 300 8h vere uting 22620 Stall Vice President Ar226-1949 Safety Operations. PSSO rBaox 3mA3331bss - Certified Mal STECRTENAE PEHG- 9405-003~ 94 April 20,2008 BaR2E Mi_-- MR 2H9T57T7E7E 3M Document Processing Center No CBI J55 795 lp OEfPfAicEoafsPtolRloutoimon64P2r8 eAtvm:eaSnenctdtTiioonxoi8c(ns) GONTAIN o+cO . usena 1200 Pennsylvania Avenue NW `Washington DC 20460-0001 RE: TSCA 8(E) SUPPLEMENTAL SUBMISSION: Sulfonate-based and Carboxylic`based Flurochemicals, Docket Nos. 8EHQ-1180-374; 8EHQ-0381-0394; 8EHQ-0598-373 Dear Sir: 3M is submitting this notice to supplement its previous submissions on sulfonyl and. carboxylic-based flurochemicals. On February 9, 2005, 3M submited analytical report with data for water samples taken from `municipal wells for three Minnesota cities ~ Cottage Grove, Hastings, ana Oakdale. `This supplementalsubmissioncontains final analytical reportsfromadditional samplings of the municipal wells in Hastings and Oakdale. Ifyou have any question, please do not hesitate to contact Michael A. Santoro at (651) 733 6374. Satins 8 Kel Sincerely, StaffVice President Environmental, HealthandSafetyOperations. Enclosure gevp-si- 21 & Z 9m &3 338% a HER0 EBYi _ /