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2012 AHR <br />McClane & Munger Canyon Mines <br />Page 7 <br />The mines will not have a detrimental impact upon the groundwater of the East <br />Salt Creek Valley. This is based partially on the relative sizes of the operation <br />and the size of the aquifer. It is also based on the fact that the groundwater <br />contained in the alluvium is substandard. East Salt Creek is an accurate name. <br />The water contained in the alluvium is virtually unusable. Field water sampling <br />has shown that the conductivity of the groundwater is extremely high (3,000 to <br />100,000). <br />Data gathered for SW -1 and GW -3 are presented in the Tables N -1 through N -7 <br />in Appendix N. The Division's 1987 Material Damage guidelines require any <br />measured salinity values over 1,000 umhos /cm be reported as `suspect' values. <br />Since baseline values for SW -1 and GW -3 far exceed the Division's 'suspect' <br />levels, the Operator compiled data in order to demonstrate mine discharge does <br />not add salinity to the already high values, rather, lowers the salinity in SW -1 and <br />GW -3 during the irrigation season. By improving the salinity of the waters in <br />East Salt Creek and the East Salt Creek alluvium, downstream farmers will not <br />suffer loss of production due to the addition of mine discharge. <br />