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09/12/03 07:13 UST " EAN UP FUND PROG 4 2094683433 NO.016 902 State Water Resources Control Board Division of Clean Water Programs tool i street•sacTamento,CalifbrnJa 95814 Winston f.Hiekox P,O.Box 944212•Socremento,Califomia•94244-2120 Sw rialy for .(916)341-5760 • PAX(916)341-5806 . www.swrcb.ca.gov/cwphorne/ustcf Gray Davis Euvlronmenial Gm�rror Protection TJ,e energy challenge facing Caldorofa is real. Every Cal fornian needs to take Immediate action to seduce energy connOMPtion. For a list of simple ways you can reduce dantiand and cut your energy costs,see our website at www.swrcb.cngov- TO: Lori Duncan San Joaquin County Environmental Health FROM: Judy Reid,(916)341-5760,FAX(916)341-5804 UNDERGROUND STORAGE TANK CLEANUP FUND DATE: September 10, 2003 SUBJECT: CORRECTIVE ACTION COMPLIANCE FOR CP0034-STOCKTON This memo is a request for corrective action.compliance sign-off for a commingled plume located on Benjamin Holt Drive in Stockton. The sites involved in the plume include: Chevron Products Company BP West Coast Products Company,Assignee 2905 Benjamin Holt give 2908 Benjamin Holt Drive Stockton Stockton Both sites have been confirmed as contributors to the subject commingled plume. Each joint claimant listed above has been identified as an eligible claimant. The total reimbursement for the plume will be $3 million less collective deductibles. The commingled plume was confirmed by San Joaquin County Environmental Health in a letter dated October 11, 2001. As I understand, little coordinated corrective action has taken place to date. Chevron and BP West Coast(formerly ARCO)are now jointly conducting groundwater monitoring sampling. Both sites are active service stations and have been conducting corrective action at their respective sites for many years. According to my conversation with.you,Chevron has both a Soil Vapor Extraction and Air Sparge Treatment on site. DP West Coast has shut down both a groundwater extraction system and Soil Vapor Extraction system based on the systems ineffectiveness, Currently,BP West Coast has an Air Sparge Treatment on site. According to our conversation on September 9,2003 the responsible parties are in.corrective action compliance with their individual sites, The Commingled Plume Program requires that the joint claimants coordinate their corrective action. Once the claim receives a Letter of Commitment,the Fund will require coordinated corrective action. NOTE: Joint claimants that do not coordinate their corrective action will have their Letter of Commitment withdrawn, The Fund is requesting corrective action compliance signoff from the Los Angeles Regional Water Quality Control Board, Verify compliance by signing in the signature block below: Joint claimants for CP0034 arc in corrective action compliance q icsi -f S /l b Signature Title Date C.41iforwa En vJrowme&a1 Prntectloo AyBc,y - � �i2ecyrled paper .