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M AIR <br /> Working to Restore Nature <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> Phone (209)838-3507 Rpm # <br /> FAX (209)838-3509 <br /> RM,ro <br /> OCT Q $ 1992 October 6, 1992 <br /> - <br /> ENVIRONMENTALRV4��.�a TH - - <br /> PERMIT I5E <br /> Ms Margaret Lagono <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, CA 95201 <br /> RE: Project Status Update Report, Holt Brothers Tractor Company, 1541 W Charter <br /> Way, Stockton, CA, SITE CODE 1988 <br /> Dear Ms Lagono <br /> This letter report serves to update you on RESNA Industries' (RESNA's) activities at the above <br /> referenced site (Figure 1) Recent activities have included monitoring of the sax groundwater <br /> ` wells on-sate, sampling for dissolved hydrocarbons and halogenated volatile organics from three <br /> monitoring wells, and evaluating the petroleum hydrocarbon and halogenated volatile organic <br /> concentrations in groundwater beneath the site <br /> GROUNDWATER SAMPLING <br /> RESNA personnel performed groundwater monitoring and sampling on July 28, 1992 Field <br /> work consisted of measuring depth to water (DTW) and subjectively analyzing the water from <br /> wells MW-1 through MW-6 (Figure 2) for the presence of sheen and floating product Water <br /> measurements an the wells ranged from 27 25 to 28 89 feet below the top of the well casings, <br /> an average decrease of approximately 1 3 feet since the last monitoring event an December 1990 <br /> The groundwater monitoring data is summarized an Table 1 <br /> LR082992 FNL <br />