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III Illlllllllllllll • • SUNNYSIaE GOLa CORPORATION AN ECF30 8AY COMPANY P.O. Box 177 . Silverton, CO 61433 Phone {303) 387-5533 • Telecopy (303) 387-5310 L~~ iV1lER S"'~/\A ~. .../L July 15, 1996 Received -), Ms. Kathleen Sullivan JUL ~ r ,~„~,_ Colorado Department of - Public Health and Environment WQCD-PE-B2 DUnr•+. -~.~., r.~.:,,~ 4300 Cherry Creek Drive South ~9'`Q"~f~•••':.~.^.Cc~f~y Denver, CO 80222-1530 RE: CDPS No. CO-0044768 Written follow-up report for July 12, 1996 dozer accident and orally reported spill occurrence. Dear Ms. Sullivan: The following is a written report on the dozer accident that occurred at the Longfellow-Koehler Mine Remediatiorr Project included in CDPS No. CO-0044768. This accident was reported orally on July 12, 1996. At approximately 9:00 a.m. on July 12, 1996, an employee of Sunnyside Gold Corporation (SGC) was cleaning and opening: a road to gain access to the Koehler Portal. This work is being done to open the portal so the discharge water can be contained and ~.nonitored. The outside edge of the road caved off under the weigfht of the dozer and the dozer overturned, rolling one and one-h:ilf times. The overturned dozer leaked diesel fuel and oil from the fuel system and engine onto the rocks and ground in the vicinity where it rolled and came to rest. The amount of this leakage is undetermined but could range from 20-60 gallons depending on fuel level at the start of the job. The location of the point where this leakage occurred is at the headwaters of Mineral Creek in San Juan County, approximately 1000 feet east of Highway 550 at the top of Red Mountain Pass. The dozer came to rest on the slope above a small pond. The action taken to contain the leakage consisted of: 1) catching dripping diesel fuel until the tank could be sealed.