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PUBLIC HtALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 F L E 0 1 ' <br /> JOSEPH K NEWFIELD <br /> 1900 LOWER SACRAMENTO ROAD MAR 241,999 <br /> WOODBRIDGE CA 95258 <br /> RE: 107 School Street SITE CODE: 1371 <br /> Lodi CA 95240 <br /> On February 26, 1999 a meeting was held at the San Joaquin County Public Health <br /> Services, Environmental Health Division (PHS/EHD) office at 304 E. Weber Ave., <br /> Stockton CA. Advanced Geo Environmental, Inc. (AGE) requested the meeting to <br /> discuss the "Preliminary Site Assessment Report" that they had prepared for the above <br /> referenced site and the next step to take to work towards remediation of the site. <br /> Present at the meeting were Edward Barkett of Atlas Properties, Inc., Anthony Barkett, <br /> Attorney, Bob Marty and Nuel Henderson of AGE, and Margaret Lagorio and Lori <br /> Duncan of PHS/EHD. <br /> In recent months investigative work at the site has included the advancement of three <br /> geoprobe soil borings, seven hollow stem auger borings and the installation of seven <br /> ground water monitoring wells. Soil and water samples have been collected and <br /> analyzed in an attempt to define the extent of the hydrocarbon contamination evidenced <br /> on site. This work has shown there were two source areas and that soil contamination <br /> extends to at least 50 feet below surface grade (bsg) in each of these areas. <br /> Groundwater contamination appears to be concentrated in the source area, but remains <br /> undefined to the east. <br /> AGE proposed to do a limited over-excavation, to 30 feet bsg, to attempt to remove the <br /> bulk of the soil contamination on site. Concern was expressed that the development of <br /> this property could not proceed without financing, and financial institutions are hesitant to <br /> finance contaminated sites. PHS/EHD pointed out that soil excavation would not <br /> address the groundwater contamination, and that the Central Valley Regional Water <br /> Quality Control Board (CVRWQCB)would have to concur with any "no further action <br /> required" determination. <br /> It was discussed that there was a proposal to "parcelize" the site. In order for <br /> development plans to proceed, the areas of concentrated soil contamination would be <br /> isolated into a separate legal parcel. This would allow the developers to obtain financing <br /> for the remaining "clean" parcel. It was discussed that the two former tank pit areas <br /> where hydrocarbon contamination has been evidenced most heavily in the soil and <br /> groundwater would be the property identified as the underground storage tank release <br /> site. <br /> PHS/EHD expects a work plan to be submitted for the installation of air sparge and <br /> vapor extraction wells to perform a pilot test and feasibility study, as well as installation <br /> A Division of San Joaquin County Health Care Services <br />