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• • i~ <br />( TABLE 20C - GEOCHEMICAL ANALYSIS OF ROOF MATERIAL (Continued) <br />EASTERN MINING DISTRICT <br />DRILL HOLE 93004R4 <br />DEPTH (top) 920.0 <br />DEPTH (bottom) 927.5 <br />pH 8.97 <br />EC (mmhos/cm) 1140 <br />TOT COMBUSTIBLE SOLIDS 7.14 <br />SAT % 31.83 <br />CA (megll) 1.17 <br />Mg (megll) 0.79 <br />TOTAL NITROGEN 0.05 <br />Na (ppm) 8.48 <br />PYRITIC 0.07 <br />SULFATE < 0.01 <br />ORGANIC 0.01 <br />TOTAL SULFATE 0.08 <br />As (ppm) < 0.01 <br />B (ppm) 0.52 <br />Cd (ppm) 0.01 <br />Cu (ppm) 3.55 <br />Fe (ppm) 67.9 <br />Mn (ppm) 3.70 <br />Hg (ppm) 0.16 <br />Mo (ppm) 0.09 <br />Se (ppm) 0.01 <br />Zn (ppm) 2.50 <br />*` See Map 12, Geochemical Sample Locations <br /> <br />..~, <br />PR 97-04 i \revision\permitrv\tbs20b <br />