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ENVIROT, -MENTAL HEALTH-r rEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Z y Donna K. Heran, R.E.H.S. Unit Supervisors <br /> m i< Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> Laurie A. Cotulla, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> • �.. P Program Manager Douglas W.Wilson, R.E.H.S. <br /> �ciFOR�� Telephone: (209)468-3420 <br /> Margaret Lagorio,R.E.H.S. <br /> Fax: (209) 464-0138 Robert McClellon, R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Jeff Carruesco, R.E.H.S. <br /> DUNG THANH & NHUAN LE <br /> 2224 MANTHEY ROAD JAN 18 29M <br /> STOCKTON CA 95206 <br /> RE: California Stop <br /> 2224 Manthey Road <br /> Stockton, California 95206 <br /> San Joaquin County Environmental Health Department (EHD) has reviewed Preliminary Site <br /> Assessment Report dated November 15, 2005, prepared by Advanced GeoEnvironmental, Inc. <br /> (AGE) on your behalf. Six soil borings were advanced to approximately 26 feet below <br /> ground surface (bgs) on August 11 and 12, 2005, and high concentrations of total petroleum <br /> hydrocarbons as gasoline (TPH-g); benzene, toluene, ethyl benzene, total xylenes (BTEX); <br /> methyl tertiary-butyl ether(MTBE), and tertiary amyl methyl ether(TAME) were detected in <br /> grab groundwater samples collected from three soil borings located near the underground <br /> storage tanks. <br /> EHD agrees with AGE's recommendation that additional site assessment is needed to define <br /> the vertical and lateral extent of petroleum hydrocarbon impacted soil and groundwater at <br /> this site. Please submit a work plan to EHD by February 17, 2006, that will address these <br /> issues. <br /> Please contact Vicki McCartney at (209) 468-3456, or by email at vmccartney(eDsjcehd.com <br /> if you have any questions regarding this letter. <br /> Donna Heran, REHS, Director <br /> �Environmental Health <br /> �Department <br /> Victoria L. McCartney, REHS Nuel C. Henderson, Jr., PG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> c: James L.L. Barton, PG—CVRWQCB <br /> Jo'l M. Chapman—Advanced GeoEnvironmental, Inc. <br />