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a <br /> f F <br /> A 0 F OrMA <br /> AU 3,9 1992 Working to Restore Nature <br /> 1710 Main Street ENVI RON M ENTAL,HEAL-TH <br /> Escalon, CA 95320 PERMififE�Y�� <br /> Phone (209)838-3507 August 27, 1992 <br /> FAX (209)838-3509 <br /> Ms Linda Turkatte <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, California 95201 <br /> RE: Third Quarter 1992 Groundwater Monitoring Report Request for Site <br /> Closure, Franzia Brothers Winery, Site Code 194G,_100; ast Highway 120, <br /> Ripon, CA O <br /> Dear Ms Turkatte <br /> This letter report details RESNA Industries' (RESNA) groundwater monitoring activities during <br /> the third quarter of 1992 at the above referenced site (Figure 1) Activities during the quarter <br /> included monitoring of groundwater, sampling for dissolved hydrocarbons from the three <br /> monitoring wells on-site, and evaluating the direction of groundwater movement and extent of <br /> hydrocarbon contamination at the site <br /> Groundwater Sampling <br /> RESNA personnel performed quarterly groundwater monitoring and sampling on August 4, <br /> 1992, Field work consisted of measuring depth-to-water (DTW), subjectively analyzing the <br /> water from wells MW-1 through MW-3 for the presence of hydrocarbon product, and <br /> groundwater sampling The water table elevation has decreased approximately 2 feet since the <br /> previous monitoring event in May 1992 The groundwater monitoring data is summarized in <br /> Table 1 <br /> The groundwater gradient beneath the site on August 4, 1992 was 0 0028 ft/ft in a northwesterly <br /> direction, which is consistent with the previous quarter A groundwater gradient map is included <br /> as Figure 2 <br /> Groundwater samples were collected from wells MW-1, MW-2, and MW-3, after purging and <br /> the stabilization of pH, electrical conductivity (EC), and temperature The monitoring wells <br /> were purged and sampled according to RESNA's Quality Assurance/Quality Control Plan <br /> QRTERLYIQR082092 FNI <br />