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lidded 7/1S/33 <br />2.04.7 NydroloQy Description - Continued <br />• (2) Surface Water Information: <br />total dissolved solids (mg/1 ). total suspended solids <br />(mg/1), acidity, pH, total and dissolved iron (mg/1), <br />and manganese (mg/1 ). <br />Runoff from a small section of the permit area will flow <br />off the property. As shown in figure 1, water will flow <br />from the top of the topsoil stockpile south and west <br />onto undisturbed areas. This discharge should not <br />adversely affect any areas outside the permit area for <br />several reasons. First the discharge area is small, <br />less than .OS acres, and therefore tl~e amount of runoff <br />will be minimal. Secondly. the topsoil stockpile will <br />be seeded with the seed mix described on page D-2(a) of <br />the permit. Once a vegetative cover is established, the <br />• hazard of soil erosion and the resultant sedimentation <br />from the discharge area will be negligable. Finally, <br />there will not be any coal or coal waste placed within <br />the discharge area, eliminating the potential for toxic <br />or acid drainage. Due to the above reasons, it will not <br />be necessary to construct a sedimentation pond to <br />control the runoff from the Northgate site. All flow <br />from surrounding lands will flow away from tfie property <br />as a result of the natural contours. <br />• 6(b) <br />