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ENVIRONMENTAL HEALTH DEPARTMENT <br /> PpUIly SAN JOAQUIN COUNTY <br /> ° � oo Unit Superrisors <br /> . Q % Donna K Heran,R E H SCarl Borgman,R_E H S <br /> Director 304 East Weber Avenue, Third Floor Mike Huggins,R E H S,R D I <br /> Ai Olsen,R E H S Stockton, Cal>forrua 95202-2708 Douglas W Wilson,R E H S <br /> • c �P Program Manager Telephone (209) 468-3420 Margaret Lagono,R E H S <br /> 4 O P o V Laurie A Cotulla,R E H S <br /> Fax (209) 464-013$ Robert McClellon, R E H S <br /> Program Manager Njar�Barr1lVT <br /> PAUL SUPPLE SEP 1 <br /> ATLANTIC RICHFIELD COMPANY 2003 <br /> PO BOX 6549 <br /> MORAGA CA 94570 <br /> RE ARCO Station #2133 SITE CODE 1021 <br /> 2908 Ben Holt Drive <br /> Stockton CA 95207 <br /> San Joaquin County Environmental Health Department(SJC/EHD) has reviewed the file for the above <br /> referenced site and has the following comments <br /> Review of the quarterly groundwater monitoring and sampling reports submitted on behalf of this site <br /> indicates that analysis of collected groundwater samples has generally been done by DHS LUFT <br /> Method for the following constituents total purgeable hydrocarbons as gasoline (TPHg), benzene, <br /> toluene, ethylbenzene, xylenes (BTEX), and methyl tertiary butyl ether (MtBE) This site has made <br /> application to the State Water Resources Control Board Clean Up Fund to obtain a co-mingled plume <br /> status with the LUFT site across the street to the north, a Chevron station To enable a comparative <br /> review of these two sites, please have all future quarterly groundwater monitoring samples collected <br /> from this site analyzed by EPA Method 8260 for TPHg, BTEX, all five fuel oxygenates, <br /> 1,2-dichloroethane and ethylene dibromide <br /> Monitoring well E-8, which is located in the traffic lanes of Plymouth Road, has not been monitored or <br /> sampled since June 2002, due to the repaving of the road You are directed to locate this well <br /> immediately, repair it if necessary and include it in all future quarterly groundwater monitoring and <br /> sampling events <br /> Laboratory analytical results for this site are not being electronically submitted to GeoTracker, the <br /> State Water Resources Control Board database program, in a timely manner Water Code Section <br /> 13196, California Code of Regulations Section 2729 1, commonly referred to as AB2886, requires this <br /> Electronic transmission of laboratory analytical results to GeoTracker must be updated immediately <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS Margaret i ery r ric%51l <br /> LOP/Site Mitigation Unit IV LOP/Site Miti �1,A <br /> SEP 1 z 2003 <br /> BY-----------•-------- <br /> cc ,lames Barton, CVRWQCB <br /> ►/Rusty Benkosky, SECOR <br />