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FILE COPY <br /> PUBLIC HMALTH SERVICES <br /> SAN JOAQUIN COUNTY z.. <br /> 4: a <br /> ENVIRONMENTAL HEALTH DIVISION N:.ILL <br /> Karen Furst, M.D., M.P.H., Health Officer .. <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 'Fo.0�;� <br /> 2091468-3420 <br /> FRANKLYN COLE NOV 0 9 2D.0 <br /> P O BOX 1114 <br /> TRACY CA 95378--1114 <br /> RE: Reich's Grocery SITE CODE: 1642 <br /> 7505 Linne Road <br /> Tracy, CA <br /> San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) <br /> has reviewed the "Quarterly Report— Second Quarter 2000 and Third Quarter 2000 and <br /> the Well/Receptor Survey" prepared by Advanced GeoEnvironmental, Inc. for the above <br /> referenced site. <br /> The drinking water wells at the site have not shown to be impacted by the MTBE in the <br /> ground water to date. The only well log contained in the Well/Receptor survey that <br /> matches the information in our small public water system file for the wells on site is for <br /> well #3. Our file information indicates the total depth of well #1 is 150 feet and the total <br /> depth of well #2 is 146 feet. The construction of drinking water well #1 is unknown and <br /> this well has been kept at the site in case of failure of one of the other wells. This well is <br /> in the MTBE groundwater contaminant plume and should not be used. Please submit a <br /> proposal for destruction of this well. <br /> The lateral and vertical extent of the MTBE groundwater contaminant plume has not <br /> been defined. A work plan to investigate the lateral and vertical extent of the <br /> groundwater contamination must be submitted to PHSIEHD. The work plan must <br /> include at least one deeper screened monitoring well in the contaminant source area. <br /> The necessity of additional deep-screened wells should be based on the information <br /> generated during installation of the deep screened monitoring well in the source area. <br /> Additional shallow screened monitoring wells are necessary to define the lateral extent <br /> of the shallow groundwater contaminant plume. The work plan should be submitted by <br /> January 2, 2001. <br /> If you have any questions contact me at (209) 468-3449. <br /> Donna Heran, RENS, Director <br /> Environmental Health Division <br /> Margaret Lagorio, Supervising REHS <br /> Site Mitigation Unit <br /> c: Advanced GeoEnvironmental - Bill Little <br /> CVRWQCB— Marty Hartzell <br /> A Division of San Joaquin County Health Care Services <br />