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620 West Charter Way <br /> Page 2 of 2 <br /> • CPT-17 and CPT-18 will be advanced to approximately 100 feet bsg northeast of <br /> the site in the sidewalks across West Charter Way. Grab groundwater, samples will <br /> be collected at approximately 50, 65, 70, 75, and 90 feet bsg at twinned borings <br /> adjacent to CPT-17 and CPT-18. Soil samples will be collected at approximately <br /> 20, 30, 40 and 50 feet bsg from twinned boring CPT-17. No soil samples will be <br /> collected at CPT-18. <br /> • Soil and groundwater samples will be analyzed for total petroleum hydrocarbon as <br /> gasoline (TPH-g), benzene, toluene, ethyl benzene, and total xylenes (BTEX), <br /> MTBE, di-isopropyl ether (DIPE), tertiary-amyl methyl ether (TAME), ethyl <br /> tertiary butyl ether (ETBE), tertiary butyl alcohol (TBA), 1,2-dichlor6ethane (1,2- <br /> DCA), and 1,2-dibromoethane (EDB). <br /> Groundwater sampling depths should be adjusted to collect samples from the more <br /> permeable intervals. <br /> Please submit a drilling permit application along with an $89.00 permit fee for each parcel <br /> to EHD. Provide EHD with copies of theaccess agreement from Best Western Motel and ; <br /> encroachment permit from the City of Stockton when submitting the permit applications. <br /> If you have any questions regarding this letter, please contact Vicki McCartney at (209) <br /> 468-3456 or by electronic mail at vmccai-Wey(casicehd.com. <br /> Donna Heran,REHS, Director <br /> Environmental Health Department y. <br /> Victoria L. McCartney, Senior REHS Nuel C. Henderson, Jr.,PG <br /> Unit IV-Site Mitigation Unit IV- Site Mitigation <br /> c: James L.L. Barton, PG—CVRWQCB <br /> Aubrey K. Cool, PG—Cambria <br /> I <br />