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1 <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> pa - <br /> t <br /> SAN JOAQUIN COUNTY <br /> Donna K. Heran, R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue, Third Floor cartliorgman, 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 /> Program Manager Tele hone: 209 468-3420 Douglas W. Wilson, R.E.H.S. <br /> p ( 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 /> R ELLIS JR MAY 22 2006 <br /> ETHYL D ELLIS TRUSTEE ETAL <br /> 1991 W LINCOLN ROAD <br /> STOCKTON CA 95207 - 2462 <br /> RE: California Tank Lines, Inc. SITE CODE: 001095 <br /> 3105 South El Dorado Street <br /> Stockton, California 95206 <br /> San Joaquin County Environmental Health Department (EHD) has reviewed historical <br /> data for this site as well as quarterly groundwater monitoring reports prepared and <br /> submitted by Environeering, Inc. (EI) on your behalf. Benzene, toluene, ethyl benzene, <br /> total xylenes, and 1 ,2-dichloroethane (1 ,2-DCA) have consistently been detected above <br /> the California primary maximum contaminant levels for drinking water of 1 .0 <br /> micrograms per liter (µg/L), 150 µg/L, 300 µg/L, 1750 µg/L, and 0.5 µg/L, respectively, <br /> in monitoring well MW-4 since groundwater monitoring commenced in November 2000. <br /> Further investigation to assess the vertical and lateral extent of impacted soil and <br /> groundwater is needed at this site. Please submit a work plan to EHD by August 1 , 2006, <br /> to conduct the necessary additional site characterization. <br /> EHD is not being notified of scheduled quarterly groundwater sampling events. You <br /> must inform EHD at least twenty-four hours prior to a quarterly monitoring event so <br /> EHD staff can be present. Also, Advanced GeoEnvironmental, Inc. (AGE), the <br /> consulting firm for the site at 3105 South El Dorado Street in Stockton, would like to <br /> coordinate sampling on the same day that EI is at 3105 South El Dorado Street for the <br /> groundwater monitoring events. Please advise EHD if you are willing to coordinate <br /> It future sampling events. <br /> I <br /> Laboratory analytical results and quarterly groundwater data are not being electronically <br /> submitted to GeoTracker — the State Water Resources Control Board database system. <br /> Failure to submit this requested data constitutes a violation of California Code of <br /> Regulations, Title 23, Division 3, Chapter 30, Sections 3890 - 3895 . Electronic <br /> j transmission of laboratory analytical results to GeoTracker must be initiated <br /> immediately. <br /> it <br /> r I <br /> I <br /> I <br /> 1 <br /> I <br />