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• Table 6-3 <br />Criteria for Evaluating Overburden, Underburden, <br />and Regraded Spoil Suitability', <br />Seneca IIW Mine <br /> Unsuitable Except With <br /> Parameter Suitable Marginally Amelioration <br /> Suitable <br /> pH > 5.52 5.0 - 5.4° < 5.0 <br /> < 8.52 8.6 - 9.05 > 9.0 <br /> Salinity Immhos/cml6 < 8 9 - 122 > 12 <br /> Saturation < 858 > 65 <br /> Percentage I%1 > 258 < 25 <br /> Sodium Adsorptions < 1110 12 - 18 > 18" <br /> Ratio < 1410 15 - 22 > 22" <br /> Particle Size12 1s, 81,1,13 c, sc,13 c, sc, sic,1° <br /> ITexturel sil,scl,cl,sicl sic,si,s with 50% c or M-Co s <br /> Boron Ippm) 0.5-516 < 0.5 > 515 <br /> Molybdenum IpPml16 < 1.0" > 1.0'8 <br /> Selenium Ippml < 0.15i8 > 0.1520 <br /> Nitrate Ammonium- 10-5021 50 - 60 > 6022 <br /> Nitrogen Ippm) <br />• id-Base Potential <br />A > -5 < -5 <br /> c <br /> Manganese (ppm) 1-702° < 1 > 70 <br /> Iron Ippml 5-30025 < 5 > 300 <br /> Zinc Ippm) 1-7026 < 1 > 70 <br /> Copper fppm) 0.2-3026 < 0.2 > 30 <br /> Nickel Ippm) < 2.02' 2 - 20 > 20 <br /> Arsenic IPPmI < 2.038 > 2.0 <br /> Catlmium Ippm) < 52s > 5 <br /> Mercury Ippml < 0.530 > 0.5 <br /> Lead Ippm) < 1031 10-100 > 10025 <br /> Aluminum Ippm) < 5429 54-170 > 17080 <br /> Chromium Ippm) < 5a2 > 5 <br /> Chlorine Ippm) < 3002~ > 300 <br /> Fluorine Ippml < 103~ > 10 <br />• <br /> TR-50 23 - Revised 11104 <br />