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v %..r. <br /> San Joaquin County <br /> Environmental Health Depnartment DrRecr°R <br /> pA• ' "•-• c ["' Donna Heran,RENS <br /> 600 East Maim Street <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> U): yy { Robert McClellon,RENS <br /> LNSL1x °" Jeff Carruesco,RENS,RDI <br /> �. Kasey Foley,RENS <br /> Website: www.sjgov.org/ehd <br /> GIFp� Phone: (209) 468-3420 <br /> Fax: (209) 464-0138 <br /> Walter Spargue <br /> Pacific Convenience & Fuels <br /> 22026 68'h Avenue South <br /> Kent, WA 98032 <br /> RE: Former SP Station # 11191 Site Code: 1126 <br /> 1469 E. Hammer Lane <br /> Stockton, CA 95210 <br /> WORK PLAN: Additional Site Assessment <br /> DATED: December 14, 2009 <br /> PREPARED BY: Delta <br /> [X] <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10 (c)(3)]: <br /> 1. To advance a Cone Penetration Test (CTP) boring on-site to approximately 120 feet <br /> bgs. To collect subsurface soil and ground water samples to determine the vertical <br /> extent of contamination on-site. The CPT will be completed in the area of existing MW- <br /> 5. <br /> 2. To install three additional off-site monitoring wells (MWs) to approximately 60 feet bgs to <br /> define the lateral extent of contamination to the west, the north, and the east of your <br /> site. <br /> 3. To collect soil samples from each boring for analysis prior to well installation and after <br /> MW development collect ground water samples for analysis. <br /> 4. The soil and ground water samples will be analyzed for: TPH-d, TPH-g, BTEX, MTBE, <br /> DIPE, ETBE, TAME, TBA, 1,2DCA, EDB, ethanol, and total lead. <br /> 5. The MWs will be surveyed after installation. <br /> 6. A site investigation report will be prepared by Delta and submitted with 60 days to the <br /> EHD, the CVRWQCB, and uploaded to the State Geotracker database. <br /> COMMENTS AND CONDITIONS: <br /> 1. Please complete and submit EHD MW permit applications and fees ($89.00 ea.) for <br /> each of the individual parcels were the proposed installations are to be completed. <br /> 2. The 10 foot slotted screen length is proposed for each of the MWs. To allow for a <br /> changing water table, you may want to consider a 15 foot slotted screen with half of the <br /> screen above and half of the screen below the current static water level,14 <br /> DATED a dr D BY 16'� <br /> Harlin Knoll, Senior REHS (209) 468-3442 <br /> C: Delta, Dennis Shannon <br />