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Identified Contamination Source Evaluation <br /> 11. A total of 22 sampling events for Based on the data consulted, it <br /> nitrate and dibromochloropropane appears that much of the ground <br /> (DBCP) were identified at wells water in the vicinity of the Site <br /> within three-quarters of a mile of contains DBCP in excess of the <br /> the Site. Of these, 14 events MCL. The data indicate that nitrate <br /> included sampling for DBCP; it was is present in the area, but is <br /> detected in 11 of the events at encountered for the most part at <br /> concentrations ranging from 0.12 to levels below the MCL. The <br /> 6.7 ug/L. A total of 11 sampling domestic well on the Site has been <br /> events included nitrate; it was tested for nitrate and DBCP as part <br /> detected in 10 of the events at of the concurrent Soil Suitability <br /> concentrations ranging from 2.6 to Study. <br /> 56.0 mg/L. The Maximum <br /> Contaminant Level (MCL) set by <br /> the US EPA for nitrate as NO3 is 45 <br /> ppm. The MCL for DBCP is 0.2 <br /> [tg/L. (Current and past off-site) <br /> 12. Western Oil & Spreading, 19256 N. Based on its status and distance <br /> Highway 99, is located from the Site, the contamination at <br /> approximately one-quarter mile Western Oil & Spreading is not <br /> northeast of the subject Site. anticipated to have impacted the <br /> Based on information from Site. <br /> GeoTracker, it appears that four <br /> underground storage tanks were <br /> removed from this facility in 1987. <br /> Soil and groundwater <br /> contamination was encountered. <br /> The San Joaquin County <br /> Environmental Health Department <br /> issued a "no further action" letter in <br /> 2011. (Past off-site) <br /> LOGE 1416 10 <br />