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999 <br />April 15, 1992 <br />MEMORANDUM <br />TO: Larry Oehler <br />FROM: Harry Posey <br />RE: Battle Mountain In-House Lab Data <br />Attached are data received from BMG through 4-14-92. Concentrations are plotted <br />versus time of sampling to investigate the trends. Also, one diagram shows some <br />of the mill and discharge parameters. <br />Data from independant labs are as follows: <br /> V~~.:u~ <br />Date Place CN CN" CN~ Analytical Lab <br />Sampled Sampled TOT" FREE WAD <br />1-30-92 DH-1 <.1 Acculabs <br />1-30-92 LD 130 120 80 99 Acculabs <br />1-30-92 TP 130 240 y 170 210 Acculabs <br />4-1-92 5-41 Slurry 260p 2yo ~So CDH <br />4-1-92 Tailings Pond TP-41 i13B#ZZD 13o i4o CDH <br />4-1-92 Collection Pond CP-41 120i1ro ~n F+n CDH <br />4-3-92 M-9 Monitor Well <.005 Acculabs <br />4-3-92 M-9 Monitor Well <.O1* =•~~ ~•ol CDH <br />4-3-92 Collection Pond 150 56 98 Acculabs <br />4-3-92 Lower Pond 220 79 170 Acculabs <br />4-3-92 Leak Det. Syst. _86*8~ loo g c~ CDH <br />* = Preliminary value. <br /> <br />