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421 Le <br /> ,O AIN <br /> P.O.BOX 1810-1810 E.HAZELTON AVENUE <br /> s THOMAS R. FLINN STOCKTON,CALIFORNIA 95201 <br /> DIRECTOR , (209)468-3000 FAX(209)468-2999 <br /> •�._. P• www.co.san-joaquin.ca.us <br /> CIFOR�` <br /> '4 � <br /> THOMAS M.GAU <br /> DEPUTY DIRECTOR <br /> MANUEL SOLORIO Working for YOU <br /> DEPUTY DIRECTOR <br /> STEVEN WINKLER <br /> DEPUTY DIRECTOR May 2, 2003 <br /> BENTON ANGOVE <br /> BUSINESS ADMINISTRATOR <br /> Ms.Kim Schwab <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, California 95827 <br /> SUBJECT: FINANCIAL ASSURANCES FOR CLOSURE,POST-CLOSURE <br /> MAINTENANCE, AND CORRECTIVE ACTION AT COUNTY-OWNED <br /> LANDFILLS <br /> Dear Ms. Schwab: <br /> Enclosed please find the required update of Financial Assurances for closure(for active sites), <br /> post-closure maintenance, and corrective action at County-owned landfills in accordance with <br /> Waste Discharge Requirements and Title 27 regulations. The County's established Financial <br /> Assurance Mechanisms (Table 1) are in compliance with Title 27 regulations. <br /> The San Joaquin County Auditor-Controller has verified that the funds accumulated in the Solid <br /> Waste Closure Fund are accurate as of March 31, 2003 (see attached memo). <br /> CLOSURE <br /> Initial closure cost estimates reflect the costs for closing any unclosed surfaces remaining when <br /> refuse disposal ceases. For the North County Recycling Center and Sanitary Landfill, we <br /> anticipate a maximum 39 acres of landfill surface may be closed in such a final project. For the <br /> Foothill Landfill,Nve anticipate approximately 100 acres may be closed. Note that the County <br /> will close portions of these landfills as modules are filled to capacity, so that only a portion of <br /> each landfill will remain to be closed when the sites reach full capacity. <br /> Closure cost estimates are updated annually to reflect inflation factors (Table 2). <br /> The Harney Lane Sanitary Landfill and Corral Hollow Sanitary Landfill are closed facilities, and <br /> thus no funding is required for closure. <br /> POST-CLOSURE MAINTENANCE <br /> Accumulated funds for the post-closure maintenance of the Corral Hollow Sanitary Landfill are <br /> slightly below the anticipated costs (Table 1). However,the interest that will accrue from the <br /> current reserves will offset the possible shortage in funds seen at the present time. <br /> Post-closure maintenance cost estimates are based on the initial post-closure cost estimates, <br /> updated annually to reflect inflation factors(Table 2). <br />