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JO <br /> V <br /> 40,1%". <br /> FOUR CORNERS MATERIALS <br /> A division of Oldcastle SW Group, Inc. <br /> RECEIVED <br /> 31 May 2016 <br /> t. IUN 0 6 2016 <br /> Colorado Department of Natural Resources DIVISION OF RECLAMATION <br /> Division of Reclamation,Mining& Safety MINING AND SAFETY <br /> 1313 Sherman Street,Room 215 <br /> Denver,Colorado 80203 <br /> 09 <br /> Re: HIGH FLUME GRAVEL PIT—OIL SPILL REMEDIATION Q903 <br /> Dear Mr. West: <br /> Pursuant to your Inspection Report dated 04/22/2016,the following describes the removal and <br /> remediation of the oil spill noted therein. <br /> Following the inspection on April 8, 2016, I returned to the site and further evaluated the type of oil in the <br /> spill and the extent of both coverage and depth. It was determined that the oil was likely hydraulic oil <br /> which had spilled while an outside salvage company was dismembering an old piece of equipment.The <br /> volume of the contaminated soil was estimated to be 1-2 cubic yards. <br /> A backhoe and dump truck were deployed to the site on May 25,2016.The operator of the backhoe first <br /> had to backfill and reg-rade portions of the access road to climb up to the spill site. <br /> Several pieces of the old equipment then had to be moved to clear the surface of the spill. <br /> The operator extracted the contaminated soil with the excavator bucket and placed the material into a <br /> small pile. Using the loader bucket,he then trammed six loads of the material down the road to the dump <br /> truck. The excavated site was backfilled with clean native material, wheel-rolled and regraded(see <br /> Photographs on next page). <br /> Approximately 5 cubic yards of contaminated soil was removed,transported and placed atop a RAP <br /> (Recyclable Asphalt Product)stockpile at a FCM site. This RAP will be processed and reused in hot mix <br /> asphalt production. <br /> Sincerely c_j____ <br /> Matt R. arnahan <br /> Resource& Environmental Manager <br /> encl. <br /> xc:Lucas West DRMS GJ ofc <br /> ec w/encls:FCM-DRMS AR <br /> P.O.Box 1969 0 Bayfield,CO 81122 0 970-241-2172 0 FAX:910-259-3631 <br />