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TABLE III-E-1 <br /> GROUND WATER QUALITY DATA, COAL CREEK ALLUVIUM <br /> Well location: SCO1008911CCB <br /> Geologic unit : alluvium <br /> Date of sample: 4/ 25/75 <br /> Dissolved silica (SiO2) mg/l 5 . 9 <br /> Dissolved iron (Fe) mg/l 3 .40 <br /> Dissolved manganese (Mn) mg/l 1 .40 <br /> Dissolved calcium (Ca) mg/l 59 <br /> Dissolved magnesium (Mg) mg/1 20 <br /> Dissolved sodium (Na) mg/l 37 <br /> Dissolved potassium (k) mg/1 1 .4 <br /> Bicarbonate (HCO ) mg/1 309 <br /> Alkalinity as CaK mg/l 253 <br /> Dissolved sulfate �SO44) mg/l 66 <br /> Dissolved chloride (CI) mg/1 4 .1 <br /> Dissolved fluoride (F) mg/1 . 2 <br /> • Dissolved nitrite " plus nitrate (N) mg/1 .05 <br /> Dissolved orthophosphate (PO 4) mg/l .09 <br /> Dissolved solids (sum of constituents) mg/1 347 <br /> Hardness (Ca,Mg) mg/1 230 <br /> Sodium absorption .ratio 1 .1 <br /> Specific conductance micromhos 550 <br /> pH units 7 . 6 <br /> Temperature °C 7 .0 <br /> Dissolved arsenic (As) mg/l 0 <br /> Dissolved selenium Se) mg/1 0 <br /> • <br /> 8 <br />