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C K Y incorporated <br /> >n,vironmental Services <br /> March 7, 1996 <br /> Project No. 8814 <br /> Mr. Larry Smith' <br /> U. S. Army Corps of Engineers <br /> Sacramento Area Resident Office <br /> 2194 Ascot Avenue <br /> Rio Linda California 95673-9988 <br /> Subject: Removal of Containerized Hazardous and for Tonic Waste at <br /> Tracy Auxiliary Airfield No.5, San Joaquin County, California <br /> Contract No. DACA 05-04-D-0012, Delivery Order No. 0012 <br /> Dear Mr. Smith: <br /> Reference to your letter dated February 26, 1996, for the above project- <br /> a. One UST was transported off site under a hazardous waste manifest, which is <br /> included in the Site Closure Report. The UST was empty and dry, thus there was <br /> no liquid waste generated. T here was no soil disposal because excavated soils <br /> were used as a backfill material. <br /> b. CKY first backfilled and compacted the excavation on November 8, 1995, as <br /> indicated in the Site Closure Report. At the direction of Mr- Bert Hikichi with the U. <br /> S. Army Corps of Engineers, top V of the excavation was backfilled with crushed <br /> rocks. Crushed rocks, determined to be an unsuitable backfill material, were <br /> removed and replaced with aggregate base materials on week of February 19, <br /> 1996. Final compaction of the aggregate base was not performed yet due to the <br /> wet surface condition. CKY will perform final compaction and conduct compaction <br /> test as soon as the surface condition permits. <br /> Please feel free to contact CKY 9 you should have any questions. <br /> Very truly yours, (� , <br /> Michael DeKlotz <br /> Project Manager <br /> 3480 Torrance Blvd.- Suite 100, Torrancx.. CA 90503-5813 •Talephone 310-792-3723 -Fax 310-792-3726 <br />