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• SUMMARY <br />The three (3) methods used to predict mine inflows all produced <br />equivalent values. Therefore, to be conservative, the highest value at <br />each time was selected as the prediction to be used in the estimate of <br />future inflows. This value was doubled to take into account the <br />unpredictable effects of pillaring and presently unpenetrated fault <br />zones. In Table 6, Estimated Maximum Mine Inflow, the present fault <br />inflows were added to this number to yield the maximum inflow for each <br />mine. This approach is very conservative because the inflows from the <br />faults already encountered will decrease with time, and pillaring does <br />not appear to have major effects on mine inflow. The calculated maximum <br />flows are less than the values permitted in our NPDES permit. <br /> <br /> <br />-14- <br />