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ENVIRON1WENTAL HEALT"EPARTMENT <br /> QV!N <br /> SAN JOAQUIN COUNTY <br /> 2, y Donna K. Heran, R.E.H.S. Unit Supervisors <br /> to Director 304 East Weber Avenue,Third Floor <br /> 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 /> • c. P Program Manager Douglas W.Wilson, R.E.H.S. <br /> 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 /> SANDRA YACOUB APR 1 2. 2006 <br /> C/O ANNA & ROMEO YACOUB <br /> 3978 S HWY 99 FRONTAGE ROAD <br /> STOCKTON CA 95215 <br /> RE: Low Price Auto Glass/Former Texaco SITE CODE: 1322 <br /> 3978 S Hwy 99 Frontage Road <br /> Stockton CA 95215 <br /> San Joaquin County Environmental Health Department(SJC/EHD) has reviewed Limited <br /> Subsurface Investigation Report(Report)dated January 27, 2006, submitted on your behalf by <br /> Advanced GeoEnvironmental, Inc. (AGE)and has the following comments. <br /> The Report documents a site investigation that was completed at your site in November 2005. <br /> Two soil borings were advanced by hollow stem auger to collect soil and grab groundwater <br /> samples. Analytical results from these samples indicate the groundwater beneath this site is <br /> impacted with 1,2-dichloroethane (1,2-DCA). There were a few minor detections of benzene, <br /> toluene, ethylbenzene and xylenes in the soil. The Report makes several recommendations for <br /> further fieldwork to both confirm the results and investigate the source of the 1,2-DCA. <br /> A Phase II Environmental Site Assessment was conducted at this site in March 2002,focusing on <br /> the areas of the former underground storage tanks and dispenser islands. Four shallow soil <br /> borings were advanced, the deepest one to 40 feet below surface grade (bsg). The deepest <br /> boring, P-3, encountered petroleum hydrocarbon contamination in soil to total depth of 40 feet <br /> bsg. However, none of the soil samples were analyzed for 1,2-DCA, and no groundwater <br /> samples were collected for analysis. SJC/EHD recommends further investigation of this area. <br /> Soil samples should be collected for vertical definition of the plume, laboratory analysis should <br /> include 1,2-DCA, and groundwater samples should be collected, either from a hydropunch or <br /> from an installed monitoring well. SJC/EHD also recommends that you research prior ownership <br /> records of the site, and contact Texaco as a potential responsible party to this site who is likely to <br /> be eligible for the State Water Resources Control Board Cleanup Fund. <br /> Please proceed with submittal of a work plan to continue the investigation of the vertical and <br /> lateral definition of the documented contamination at this site. The work plan is due for submittal <br /> no later than June 2, 2006. If you have any questions please call Lori Duncan at(209)468-0337. <br /> Donna Heran, RENS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS Nuel C. Henderson, Jr., PG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: James Barton, CVRWQCB <br /> Art Deicke,AGE <br />