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s� LTH SE11VPUs�L � HEA <br /> SAN ic�AQUIN COON, ":( 41; . .- <br /> 1061 KHANNA.M D.M-111.1. <br /> He:ut'7(ltficer c-�a`P <br /> '4C/FORS <br /> p O Box 2009 • (1601 East Hazelton Avenue) • Stockton,California 95201 <br /> (209) €68-3400 <br /> AUG2 9 1991 <br /> AL NIELSON RPRISE 13 <br /> HOLT BROTHERS/ENTERPRISE <br /> p 0 BOX 8130 <br /> STOCKTON CA 95208 <br /> or Co. <br /> IN REPLY REFER TO SITE CODE: 1988 <br /> RE: Holt Brothers Tract <br /> 1541 W. Charter Way <br /> Stockton, CA <br /> Health Services, <br /> Environmental Health Division (PHS/EHD) has reviewed the <br /> San Joaquin County Public <br /> uarterly Report" dated January 24, 1991, and the'Progress eene d sit�emedlation Feasibility Study" date <br /> April 19, 1991, prepared by WaterWork for the above <br /> a site visit on July 13, 1990, Margaret La$orio, Senior RENS, was told that the contaminated soil <br /> During h <br /> the removal of the six former underground tanks was placed back into <br /> excavated from the tank Pit during next to the excavation. Monitoring well 1 <br /> the excavation at that time due to shifting <br /> of a loading rampnext <br /> taken during drilling of MWl <br /> WI) was installed in this former tank location. Results of soil samp <br /> soil contamination at 10 feet, 15 feet, and 20 feet. MWl again has free product in it per the <br /> confirm Report. The proposal to cap this area is not acceptable. <br /> January 1991 Quarterly P <br /> cussed previously, we recommend re-excavation be considered <br /> S .as a so Select another soil remedia on <br /> coU remediation option so <br /> P groundwater contaminates do not continue to leach into gr <br /> alternative. <br /> well#5 water sample results,evidenced hydrocarbon and solvent <br /> c t An reactive <br /> ation <br /> Downgradient monitoring indicates movement of the dissolved contaminants. <br /> for the first time since it was installed.i o be selected. Monitoring only is not acceptable. <br /> groundwater remediation prop waste oil tank- The December, <br /> Monitoring well#2 was installed in the location of the former levelsundergroundwell should be installed south <br /> le results evidenced non-detectable levelseo�to��manrs for the first time. A <br /> 1990, groundwater samp client of this area. A monitoring <br /> monitoring well has not been placed downgra <br /> shop to detect movement of contaminants from the area of the former waste °l tank. <br /> and <br /> of the paint P of monitoring well 3 <br /> Quarterly Report, you proposed discontinuing sampling <br /> In the January 1991 Qu Yearly sampling of these wells is acceptable. <br /> monitoring well 4• These wells should be measured quarterly. <br /> orts have not shown a survey of Wells within 2000 feet ing tines hase. on It been <br /> Previously submitted sposal <br /> rep monitoring wells and samp $ <br /> of sod and water from installation of the existing office. <br /> discussed. Include this information in the next report submitted to this <br /> A Diviskm of Sat Joaquin Caunty Hrtlth(urc Scrvit06 <br />