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L <br /> PUBLIC AEALTH SERV CES WN <br /> �p4...N^. <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION I <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201-4, cc <;FaRa`P <br /> 209/468-3420 <br /> DAVID CAMILLE JAN €E 3 11997 <br /> UNOCAL CORPORATION <br /> PO BOX 5155 <br /> SAN RAMON CA 94583 <br /> RE: Unocal Service Station #6981 SITE CODE: 1217-123 <br /> 4707 Pacific Avenue <br /> Stockton CA <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has <br /> completed review of the GeoStrategies "Third Quarter 1996 Status Report" dated October <br /> 31, 1996 and your correspondence dated October 10, 1996. PHS/EHD has prepared the <br /> following comments for your consideration. <br /> PHS/EHD appreciates your continued efforts to maximize the operational time of the <br /> existing vapor extraction system. PHS/EHD looks forward to the submittal of the annual <br /> summary report that evaluates the system which should be submitted by December 31, <br /> 1996. <br /> Regarding the directive PHS/EHD issued to install replacement wells for the plume <br /> boundary wells, destroyed to facilitate the City of Stockton's March Lane/Pacific Avenue <br /> intersection improvement project, there seems to be a misunderstanding regarding the City <br /> of Stockton's proposed construction schedule. Construction is not anticipated to be <br /> completed until 1998. The location of the replacement wells can be such that there would <br /> be little likelihood of damage from nearby construction activities. Please submit by <br /> February 1, 1997 a work plan to install the necessary wells to monitor the plume of <br /> groundwater contamination and potential remediation results. <br /> Should you wish to schedule a meeting with the City of Stockton and PHS/EHD, I would be <br /> glad to arrange the meeting. If you have any questions or comments, please contact me at <br /> (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Mary Meays, Senior REHS Margareo, <br /> Site Mitigation Unit Supervisor <br /> MM\4707PAC <br /> cc: Elizabeth Thayer, CVRWQCB <br /> Greg Gurss, GeoStrategies <br /> Ray Deyto, City of Stockton Public Works Department <br /> A Division of San Joaquin County Health Care Services <br />