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Sodium <br />These values are needed to calculate the SAR values and <br />range from 2.1 to 53.9 meg/1. <br />Sulfate <br />The sulfate. values are wide ranging from 0.3 to 56.2 meg/1. <br />=--., <br />The highest values occur in the Delagua seam, sample X10 and <br />sample X12. The coal seam will be removed and the other two <br />~- <br />beds will be placed deep within the fills .to ensure no problems <br />of a toxic nature. <br /> <br />Arsenic <br />• The arsenic levels range from less than 0.1 to 0.31 ppm. <br />Again the highest level is from samples ~f10 which will be <br />handled as stated before. <br />Boron <br />The boron. values are within acceptable standards, ranging <br />from less than 0.1 to 0.2 ~ g/ml thus no reclamation problems <br />are fore seen. <br />Cadmium <br />The levels of cadmium in the overburden range from less <br />than 0.01 to 0.02 so no problems are expected as a result of <br />high cadmium levels. <br /> <br />IG I <br />