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C C. <br />Table 2. Soil Sample results for evaluation of cover <br />material, Ciruela Canyon Coal Processing <br />Waste Pile, Golden Eagle Mine. <br />Date Sampled: April 27, 1988 <br />Location: North of Refuse Pile (Area 1) <br /> Depth (feet) <br />Parameter Units 0-2 2-4 4-6 6-8 <br />pH (1:1 paste) std units 8.37 7.96 7.96 8.08 <br />o <br />Conductivity @ 25 C mmhos/cm .678 1.900 1.300 .703 <br />Calcium mg/1 19.7 156 94 57 <br />Magnesium mg/1 3.06 17.5 11.4 7.7 <br />Sodium mg/1 129 259 175 83 <br />Sodium Abs. Ratio (SAR) - 7.1 5.2 4.5 2.7 <br />Moisture (air dry loss) % 10.0 9.0 6.7 3.6 <br />Gravel (> 10 Mesh) % 28.5 25.1 11.1 36.1 <br />Texture - c c cl scl <br />Silt % 38 34 25 20 <br />Clay % 44 41 34 31 <br />Sand <br />• % 19 25 41 49 <br /> <br />