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• ~ • <br />TABLE 9 <br />Statistical Summary of the Physiochemical Characteristics <br />of the Underburden, Toast Permit Area <br />Core Hol{s 2 Arithmetic Minimum Maximum Standard No. of <br />_Sampled __~__~Parameter _ __« Averege__^_ (Hole No_) Hole No. Deviation Xoles <br />w <br />2309E pH, Paste 7.5 7.0 (231>E) 7.8 (2314E) 0.3 9 <br />2310E Saturation Percent, X 47.5 45.2 (2310E) 54.9 (2313E) 3.0 9 <br />2311E Conductivity, mmho/cm 1.3 0.7 (2315E) 2.3 (2309E) 0.4 9 <br /> Sodium, meq/l 2.0 0.9 (2316E) 4.8 (2309E) 1.2 9 <br />2313E Calcium, meq/l 7.1 3.3 (2315E) 14.4 (2309E) 3.1 9 <br />2314E Magnesium, meq/l 6.2 2.9 (2315E) 11.6 (2309E) 2.3 9 <br />2315E <br />23tbE boron, ppm 1.2 0.4 (2315E) 3.3 (2311E) 0.9 9 <br />2317E Sodium Adsorption Ratio 0.8 0.4 (2316E) 1.6 (2309E) 0.4 9 <br />2318E Total Sulfur, X 0.26 0.07 (2315E) 0.62 (2313E) 0.17 9 <br /> Neutralization Potential, TCeCO /1000T 84.1 7.7 (2313E) 118.8 (2310E) 32.6 9 <br /> /100~T <br />Acid-Base Potential, TCaC0 76.0 -11.6 (2313E) 113.6 (2316E) 36.6 9 <br /> 3 <br />Very Fine Sand, X 77.3 9.0 (2311E) 23.0 (2316E) 4.0 9 <br /> Sand, X 51.4 18.7 (2311E) 62.7 (2317E) 7.9 9 <br /> Silt, X 31.9 22.5 (2317E) 39.6 t2311E) 5.6 9 <br /> CIaY, X 16.7 10.0 (2316E) 21.7 (2311E) 3.6 9 <br /> Copper, PPm 2.2 1.1 (2317E) 3.6 (2313E) 0.7 9 <br /> Selenium, ppm (3) <br /> Nickel, ppm 2.9 2.0 (2314E) 3.4 (2309E) 0.5 9 <br /> Molybdenum, ppm (3> <br /> Cadmium, ppm 0.09 0.05 (2316E) 0.14 (2311E) 0.02 9 <br /> Iron, ppm 118.9 61.1 (2314E) 202.8 (2311E) 43.5 9 <br /> 5 <br />15 4.0 (2313E) 39.4 (2311E) 9.5 9 <br /> Manganese, ppm . <br /> Lead, PPm 2.8 2.1 (2313E) 5.0 (2315E) 0.8 9 <br /> Zinc, PPm 10.8 8.1 (2309E) 15.0 (2313E) 2.2 9 <br /> Phosphorus, ppm 1.7 0.5 (2316E) 4.2 (2309E) 1.0 9 <br /> 4 <br />100 76~2 j2316Ej 149.5 (2313EL_^_ 21.7 9 <br />_ ___ Potassium_eem^_________~~____ ~_____~ <br />_ <br />_ __~ __ <br />ZFOr drill hole location, see Exhibit 6-4. The "Y/" prefix was omitted from the S ample Site ID in this table. <br />The following abbreviations are used: % = percent, mmho/c m = millimhos per centimeter, meq/l = mil(iequ ivelents per liter, ppm = parts per million, <br />/1000T = <br />TCaC0 tons calcium carbonate equivalent per 1000 tons of overburden mate riel <br />3 <br />3 <br />The mean values were less than the detection limit of 0.01 for selenium end 0.6 f or molybdenum. <br />