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Identified Contamination Source Evaluation & Recommendations <br /> 10. Surrounding properties on all sides of Agricultural chemicals may be applied to <br /> the Site are used for agriculture. Three the surrounding sites. Assuming <br /> dairies are located in the immediate responsible application, no action is <br /> vicinity of the Site. (Current and past warranted at this time. Dairies are known <br /> off-site) to contribute to nitrate levels in <br /> groundwater. <br /> 11. Nine wells were tested in 1999 at an It appears that nitrate exceeds the MCL in <br /> address approximately one mile from the at least one nearby well. An on-site <br /> subject Site. Nitrate was detected in the irrigation well will be tested for nitrate and <br /> wells at concentrations ranging from 9.0 DBCP as part of the Soil Suitability Study <br /> to 13.0 mg/L. Three additional wells to follow this report. <br /> were identified at addresses located <br /> within approximately three miles of the <br /> Site. DBCP was not detected in the <br /> wells. Nitrate as NO3 was detected in <br /> the wells at concentrations of 9.6 to 64.0 <br /> parts per million (ppm). The MCL for <br /> nitrate as NO3 is 45 ppm. (Current and <br /> past off-site) <br /> LOGE 1414 Page 9 <br />