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F.1?~~~ <br />• <br />• <br />TAB! E 1 <br />,7 ~ RESULTS OF CN NEUTRALIZING TEST IN AN OPERATING TAILINGS POND <br />TIME <br />INTO TEST (HR) + CN CONTENT <br />~ OP SLURRY (ppm) RESULTS <br />~ PREDICTED (1) I (ppm CN~) <br />ACTUAL (2) ~I <br />~ 6 ~ 130 ~ 26-32 ~ ---- <br />15 ~ 130 ~ 26-32 21 <br />34 140 ~ 31-35 ~ 18 <br />38 ~ 135 j 29-34 20 <br />54 135 ~ 29-34 26 <br />78 130 ~ 28-32 31 <br />84 114 I 25-29 + 31 <br />I 86 <br />- ~ 109 ~ <br />- 24-27 ~ 26 ilI <br />i <br />(1) Predicted result, e.g.: 28-32 28 from Slurry lab tests <br />32 from pure chemical tests <br />~ (2) Sample taken at exit from pond (4-6 hours later). <br />I <br />l~ <br />~ ~, <br />