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California. egional Water Quality Co of Board <br /> Central Valley Region <br /> Karl E.Longley,ScD,P.E.,Chair <br /> Linda S.Adams Arnold <br /> Secretaryfor Sacramento Office Schwarzenegger <br /> Environmental 11020 Sun Center Drive 11200,Rancho Cordova,California 95670-6114 Governor <br /> Protection Phone(916)464-3291 FAX(916)464-4645 <br /> hnp://www.waterboards.ca.gov/centralvalley <br /> 20 October 2008 u -- - U <br /> W. Michael Carroll FNVik;-'N <br /> San Joaquin County Dept. of Public Works t - <br /> Solid Waste Division <br /> P.O. Box 1810 <br /> Stockton, CA 95201 <br /> REVIEW OF CORRECTIVE ACTION COST ESTIMATES FOR FOUR SAN JOAQUIN <br /> COUNTY LANDFILLS <br /> The Central Valley Regional Water Quality Control Board (Central Valley Water Board) staff <br /> has reviewed the corrective action cost estimates,for four San Joaquin County landfills. The <br /> corrective action cost estimates are required in accordance with Title 27, §22380(b) and <br /> §22220 through §22222. The four San Joaquin County landfills are: Corral Hollow Landfill <br /> (closed), Harney Lane Landfill (closed), North County Recycling Center and Sanitary Landfill <br /> (operating), and Foothill Sanitary Landfill (operating). <br /> The corrective action cost estimates for a reasonably foreseeable release scenario were <br /> developed based on site histories and are projected over a 30 year period. San Joaquin <br /> County has determined the proper funding mechanism of Financial Assurance for the four <br /> landfills is a Pledge of Revenue. The following table presents the total cost of the corrective <br /> action period (30 years) and annual costs for corrective action at each of the four landfills. <br /> LandfillName Total Cost for Corrective Annual Cost <br /> Action Period <br /> Corral Hollow Landfill $846,060 $28,202 <br /> Harney Lane Landfill $1,471,110 $49,037 <br /> North County Sanitary Landfill $1,520,265 $50,676 <br /> Foothill Sanitary Landfill $1,677,090 $55,903 <br /> Based on a review of the release scenarios used to develop appropriate corrective action at <br /> each of the landfills listed above, staff approves-the estimated costs, which appear to be <br /> appropriate for the given scenarios. <br /> California Environmental Protection Agency <br /> �. P.—"Iod P—, <br />