Document wD2rY1gMvE8aErN40LLm55Gw6

OOffff--SSiittee WWaassttee DDiissppoossaall LLooccaattioinosn-s- 33MM CCoottttaaggee GGrroovvee,, MMiinnnneessootata. hoe 1 wscowows |croton [roe ome | Facility ID fm =] Oakdale Jose wee rh Woodbury Great Northern Oil Co plant, EE mn tae [6s [ton Joon carries in Bruno, MN nso prmcom [o Tran Koasvasaim wer Kerrick Site, Pine County, CT Bl MN* Commercial Chemical CorymEme eer I[E i E fr, coa soe gm es ity Company in Newport, MN feeer | (incinerator) Commercial Chemical Eicoe, Company/Pollution Control, [remSnape Maun my rovebon marosct Inc. in Savage, MN a iol (,incinerator) pI roor fse, [EPo rsomr aa HTrs oa Pig's Eye Dump Waste Disposed Liquid and solid industrial waste Liquid and solid industrial waste Wastewater/phenol waste Liquid and solid industrial waste Wet scrap Wet scrap Est. Period of Use 1956-1960 1960-1966 1965 1967 & 1969 1960-1962 (pick up of solvent) 1962-1964 (incineration) 1964-1971 Dry scrap; burned out drums and inert ash from Chemotile incinerator 1971 Foeo nccoormyyeaonnan [010077 severe some] Washington County Landfill il vest in (Lake Jane Landfill) WWTP sludge, incinerator scrubber sludge, iron oxide sludge, and ash 1971-1974 from quench chamber of incinerator frm Pine Bend Landfill, IGH, MN - EEi arr (wboe rerator eon [[210700 fr -- BFI (aka Phoenix) Former NPL Site WWTP sludge and boiler ash Anoka County ( Uncerfain of fp emsos ---- fr re o |wn mew me proper name) WWTP sludge iRosemount- SKB WWTP sludge and nonhazardous p[57 en vs cErtLEsanaf10e081r02s83 RR l(USPCI/Laidlaw) (3-4 mi away industrial waste from demolition of | an? fortress from Pine Bend) old incinerator in 2002 oSvearscan. rmx oP [oawin Superior FCR - ONYX enon Buffalo, MN WWTP sludge Mid 1970s/ Early1990s 1980s Mid 1990s to mid-2003 Mid-2003 to present Priority for Investigation Comments High Investigation underway High Low FC wastes remain buried at the site Waste was not FC-related Low waste volume was disposed in this area and Low this volume has been removed and incinerated FC-wastes may have been managed at this facility High FC-wast~es may have been managed at this facility Pigs Eye primarily was used for dry scrap disposal and one-time disposal of incinerator residue from ,July 1971 to December 1971 Investigation underway Medium2" WWTP sludge was managed al this facility. Medium WWTP sludge may have been managed at this facility. Medium WWTP sludge was managed al this facility. Low"~ WWTP sludge was disposed at this facility after cessation of FC production. Han ardart ch ce dat ER *Materials recovered and brought back to incinerator for disposal i| ON,52.. MMeCcAhhhsus cssampleodd, regsueltns | perdi1 Ex2h0i3b5it J:\FOLDERS.0-9\3m-cottage grove\Waste Disposal\Coltage Grove Waste Disposal 6 8 05 Exhibit 2035 State of Minnesota v. 3M Co., 2095.0001 2035.0001 Court File No. 27-CV-10-28862