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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY Unit Supervisors <br /> Donna K Heran,R E.H S <br /> Director 304 East Weber Avenue, Third Floor Carl norgmaa R E H S <br /> Al Olsen,R E H S Stockton, California 95202-2708 Mike Huggins,KE H S,R D I <br /> �4cjFORN�P • Program ManagerTelephone (209)468-3420 Margaret Lagono.RR 1 SS <br /> Laurie A Cotalls,R E.H S. <br /> Fax (209)464-0138 Robert McCleiion,R E H S <br /> Program Manager FEB &lii+ 02s,R E H S <br /> PAUL SUPPLE KITTY WALKER G , <br /> ARCO PRODUCTS COMPANY COS REDEVELOPMENT AGENCY <br /> P O BOX 6549 305 N EL DORADO STREET <br /> MORAGA CA 94570 STOCKTON CA 95202 <br /> RE ARCO Station#4493 SITE CODE* # 1042 <br /> 205 N Center Street <br /> Stockton CA 95202 <br /> San Joaquin County Environmental Health Department(SJC/EHD)has reviewed the"Quarterly <br /> Groundwater Monitoring Report, Fourth Quarter 2001"that was submitted on your behalf by <br /> SECOR International Incorporated (SECOR)and has the following comments <br /> The report documents a groundwater monitoring and sampling event that took place on December <br /> 31, 2001 This was the first complete groundwater monitoring and sampling event to take place at <br /> this site In over a year In the section of the report titled"Work Proposed For Next Quarter(First <br /> Quarter--2002)". SECOR listed the installation of multi-completion wells as a task that would be <br /> completed <br /> Installation of multi-completion wells was proposed by SECOR in the"Work Plan for the Installaf ion <br /> of Multi-Completion Wells"dated November 16,2000 In correspondence dated December 5,2000 <br /> and January 12,2001 SJC/EHD conditionally approved the work plan and a subsequent addendum <br /> to that work plan <br /> You are directed to begin implementation of the approved work plan and addendum immediately <br /> A copy of a City of Stockton encroachment permit must be submitted to SJCIEHD along with a San <br /> Joaquin County well permit application and required $89 00 permit fee SJCIEHD must be notified <br /> by March 22,2002 that the fieldwork has been scheduled Al fieldwork must be completed by May <br /> 6,2002, and a report of findings submitted to SJCIEHD within sixty days following the completion <br /> of the work <br /> In addition,another addendum must be submitted to SJCIEHD to complete the lateral definition of <br /> the shallow plume in the down-gradient direction A proposal for this work was not included in the <br /> previous work plan and addendum because of a city construction project Since that time, <br /> however,construction activities in the immediate area have been completed. The addendum Is <br /> due for submittal to SJCIEHD by March 22,2002 <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> t&u a. <br /> Lori Duncan,Senior REHS Margaret agorio, Supervising REHS <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> • �� 1 <br /> cc Marty Hartzell, CVRWQCB <br /> ✓dusty Benkosky,SECOR k ,) <br /> FEB 2 5 2002 ,-tet <br /> '�•--------------- - <br />