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' • • GEORGE DELIKMEPAN, GO.e ' <br /> STATE OF CALIFORNIA—HEALTH AND WEIFARE AGENCY <br /> DEPARTMENT OF HEALTH SERVICES <br /> TOXIC SUBSTANCES CONTROL DIVISION <br /> NORTHERN CALIFORNIA SECTION <br /> 4250 POWER INN ROAD <br /> SACRAMENTO, CA 95626 <br /> (916)739-3145 <br /> PUBLIC NOTICE <br /> For Public Comment Period <br /> For a Proposed Closure <br /> Plan for <br /> *HAZARDOUS WASTE* <br /> Managment Facility <br /> Public Notice Number <br /> CAD009140120 <br /> The California Department of Health Services (DHS) and the Region <br /> IX Office of the United States Environmental Protection Agency <br /> (EPA) request public comment on the CLOSURE and POST-CLOSURE <br /> PLANS for a hazardous waste management facility owned and <br /> operated by the Marley Cooling Tower Company. The unit closing <br /> to hazardous waste is a surface impoundment (pond) , located at <br /> the Marley Cooling Tower Company, Stockton, CA. (This facility <br /> is within the city limits of Stockton. The closest residence-to - - <br /> this facility is located directly across the street from the <br /> facility. ) <br /> The unit was used to dispose of chromated copper arsenate and- -- <br /> acid <br /> nd__acid copper-chromate, hazardous waste associated with wood <br /> treatment. The CLOSURE and POST-CLOSURE PLANS identify specific <br /> steps which will be followed to permanently close the unit to <br /> hazardous waste. First, the liquids from the pond will be pumped <br /> through the water treatment plant. The most highly contaminated <br /> sludge and soil will be removed from the pond and will be <br /> disposed of in an approved, off-site disposal area. The bottom <br /> of the pond will be graded and compacted so that rainwater <br /> falling in the pond can be rapidly collected and pumped through <br /> tjle water treatment plant. This first step of the pond closure <br /> will eliminate the pond liquids and sludges. This will also <br /> remove the pressure created by the weight of the liquids that <br /> would force the hazardous chemicals further into the soil. The <br /> final pond closure will be accomplished some time later, after a <br /> 6ecision has been made concerning the corrective action to be <br /> taken on the entire site. In this second step, the soil from the <br /> berms around the pond l'11 be used to fill the pond. Additional <br /> clean soil and a cover of clean clay will complete the ill• <br /> This action willL'_:.iH'_2e the movement of the small amounts of <br /> hazardous materials =nat may be left in place. The area k_11 <br /> then be covered w_':-- asphalt and may be used for lu=ber storage. <br />