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401 DEPARTMENT <br /> ENVIRONMENTAL HEALTH, <br /> SAN JOAQUIN COUNTY Unit Supervisors <br /> Carl Borgman,R.E.H.S. <br /> Donna K.Heran,R.E.H.S. 304 East Weber Avenue, Third Floor <br /> Director Mike Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> • c : Robert McClellon,R.E.H.S. <br /> q I�FOR��P Laurie A.Cotulla,R.E.H.S. <br /> Fax: (209) 464-0138 Mark Bazcellos,R.E.H.S. <br /> Program Manager <br /> NOV 2 1 2002 <br /> KAREN PETRYNA <br /> EQUILON ENTERPRISES LLC <br /> PO BOX 7869 <br /> BURBANK CA 91510-7869 <br /> RE: Former Texaco Station SITE CODE: 1055 <br /> 440 Charter Way <br /> Stockton CA 95206 <br /> San Joaquin County Environmental Health Department (SJC/EHD) has reviewed the <br /> "Groundwater Monitoring Report-Second Quarter 2002" dated September 4, 2002 that <br /> was submitted on your behalf by Cambria Environmental Technology, Inc. (Cambria). <br /> SJC/EHD has noted Cambria's recommendation to reduce the fuel oxygenate analysis <br /> for water samples, other than methyl tertiary butyl ether,from quarterly to annually. Due <br /> to the detections of tertiary butyl alcohol (TBA)that have been reported at various <br /> quarters in several of the sites monitoring wells, SJC/EHD does not agree with this <br /> recommendation. Furthermore, as has been discussed with the Regional Water Quality <br /> Control Board, Central Valley Region (CBRWQCB), in the normal course of analysis for <br /> constituents of concern all peaks identified by EPA Method 8260B should be reported to <br /> SJC/EHD and the CVRWQCB. <br /> If you have any questions or comments please call Lori Duncan at (209)468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Le, <br /> Mar ar La orio, Sing REHS <br /> Lori Duncan, Senior REHS 9 9 <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: Marty Hartzell, CVRWQCB <br /> Joe Neely, Cambria <br />