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' 02 October 2000 <br /> AGE-NC Project No 98-0465 <br /> Page 7 of 9 <br /> ' 43 RECEPTOR WELL SURVEY <br /> Drinking water at and near the site is currently supplied by the City of Stockton California Water <br /> ' Services well network However, no California Water Service well is within a 2,000-foot radius of <br /> the site <br /> No domestic, agricultural, municipal, industrial, or irrigation wells were located within 2,000 feet <br /> of the subject property or listed on the DWR database,in well log files or on the SJCFC&WCD map <br /> ' A total of 27 ground water monitoring wells were located within a 2,000-foot radius of the site <br /> Table 4 summarizes the well locations and distances from the subject site Figure 6 depicts the area <br /> covered by the receptor survey All well driller's logs that could be obtained are in Appendix E <br /> 4 4 HYDROCARBON-IMPACTED SOIL <br /> ' A total of 8 soil samples were analyzed for TPH-g, TPH-d, BTEX, MTBE and the suite of five <br /> oxygenated fuel additives by EPA Method 8260 Modified <br /> None of the analytes tested for in the 8 soil samples were detected at concentrations at or above the <br /> laboratory reporting limits <br /> ' Analytical results of soil samples are summarized on Table 2 The laboratory reports (MAI Lab I D <br /> No 42579 through 42586), quality assurance and quality control (QA/QC) report and cham-of- <br /> ' custody forms are included in Appendix F <br /> 4 5 HYDROCARBON-RVIPACTED GROUND WATER <br /> ' After the installation and development of the four ground water wells on the site, each ground water <br /> monitoring well was sampled Each sample was analyzed for TPH-g, TPH-d, BTEX, and each <br /> sample was analyzed for the suite of five oxygenated fuel additives TPH-g, TPH-d, and BTEX <br /> ' compounds were not detected at concentrations at or above the laboratory reporting limits in any of <br /> the ground water samples <br /> MTBE was detected in the ground water samples collected from MW1, MW2, and MW4 at <br /> concentrations of 11 ,ug/1, 63 ug/1 and 36 �zg/l, respectively MTBE detections were confirmed in <br /> samples from MW1, MW2 and MW4 by EPA Method 8260 at concentrations of 10 ,ug/l, 70 µg/1 <br /> ' and 38 gg/l, respectively <br /> Advanced GeoEnvironmentai,Inc <br />