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• Do.id R.Hargis,Ph.D.,R.G. <br /> �HARGIS+ASSOCIATES, INC. Michael R.Long,R.G. <br /> Terry M.Turner,R.G. <br /> 2222 South Dobson Road, Suite 401 Roger A.Niemeyer,R.G. <br /> Mesa, Arizona 85202 Leo S.Leonhon,Ph.D.,R.G. <br /> 602 3450888 Lanae J.Raymond <br /> Peter T.Quinlan <br /> Telempier(602)7300508 J.D.Mohrbocher,P.E. <br /> d - <br /> i <br /> '7 areae <br /> APR 11lQ1 <br /> March 26, 1991 _WIRONMrNTAL HE;ALTI-i <br /> gl�rrvur!sef�v���;s <br /> VIA REGULAR MAIL <br /> Mr. Doug O'Neal <br /> DEPARTMENT OF HEALTH SERVICES <br /> Northern California Section <br /> Toxic Substances Control Division <br /> 10151 Croydon Way <br /> Sacramento, CA 95827 <br /> Re: Abandonment of Drywell 1 Located at <br /> Kearney-KPF Facility, Stockton, California <br /> Dear Mr. O'Neal : <br /> This letter is intended to document the procedures and materials used in <br /> the abandonment of Drywell 1 near Pond 1 at the Kearney-KPF Facility in Stockton, <br /> California. As stated in the July 20, 1989 Revised Closure Plan, the drywell <br /> located near Pond 1 was to be abandoned by injecting cement grout as near as <br /> possible to the total depth of the drywell . <br /> Pond 1 reportedly contained waste generated from the galvanizing process <br /> which began operation in 1972. The wastes were transferred via an unlined <br /> surface drain and a polyvinyl chloride (PVC) pipeline extending from the <br /> galvanizing building to Pond 1. A drywell , referred to as Drywell 1, was located <br /> approximately 17 feet west of the center of the former Pond 1. The drywell was <br /> reported to be 3 feet in diameter, 20-feet deep and filled with broken ceramic <br /> insulators. A PVC pipe formerly connected Pond 1 to Drywell 1 for drainage of <br /> surface water. <br /> Drywell 1 was abandoned on September 8, 1990. The abandonment was <br /> conducted by All -Terrain Exploration Drilling of Pleasant Grove, California. <br /> Mr. Doug O'Neal of the California Department of Health Services and Ms. Camilla <br /> Williams of the Regional Water Quality Control Board were present during the <br /> abandonment. <br /> Brush was first cleared from the top of the drywell , and the top 2 feet of <br /> the drywell was dug out by hand. The PVC pipe which had been used to connect <br /> Pond 1 the drywell was removed. A CME 550 drill rig was set up directly over <br /> Drywell 1 . A spear point welded to the first 5-foot drill rod was used to help <br /> penetrate the ceramic insulators. This spear point had been torch cut to allow <br /> Other offices: <br /> La Jollo,CA <br /> Tucson,AZ <br /> Manhattan Beach,CA <br /> Burbank,CA <br />