REP42795

• Permit No: M1988112
• IBM Index Class Name: Report
• Doc Date: 1/25/1995
• Doc Name: BATTLE MOUNTAIN RESOURCES INC PN M-88-112 SAN LUIS BIWEEKLY WATER SAMPLING
• From: BMRI
• To: DMG
• Media Type: D
• Archive: No

BATTLE MOUNTAIN RESOURCES, INC -SAN LUIS
BI-WEEKLY WATER SAMPLING -NOVEMBER 28 - 29, AND DECEMBER 6 - 8 AND 19 - 20, 1994
CALCULATED CYANIDE VALUES
ANALYTICAL METALS AND CYANIDE VALUES (mg /L)
SAMPLE SAMPLE CYANI DE
DA'Ff L6CAT{9N Cn Zn Mn Ni WAB T@TAL
11/29 LOWER POND 4.10 0.02 NA NA 1.20 1.31
11/29 UPPER POND 1.97 0.01 NA NA 0.38 0.43
11/29 UNDERDRAIN/ 1.46 0.02 NA NA 1.90 2.10
11/29 POST DETOX 0.80 0.01 NA NA 0.30 0.45
11/29 PRE DETOX 13.40 0.16 NA NA 191 232
12/06 UNDERDRAIN/ 1.50 0.02 NA NA 1.99 2.42
12/08 UPPER POND 0.05 0.07 NA NA 0.04 0.04
12/08 LOWER POND 3.80 0.05 NA NA 0.74 0.45
12/08 POST DETOX 3.44 0.04 NA NA 0.38 1.68
12/08 PRE DETOX 26.70 0.19 NA NA 125 188
12/20 UPPER POND 0.06 0.06 NA NA 0.05 0.05
12/20 LOWER POND 2.95 0.02 NA NA 0.25 0.31
12/20 PRE DETOX 16.0 0.12 NA NA 122 120
12/20 POST DETOX 0.40 0.02 NA NA 0.30 0.39
CALCULATED CYANIDE VALUES (mg/L
CN-WAD MPFCN
MfN M1U( MIN MRX
3.41 5.16 0.00 0.00
1.64 2.48 0.00 0.00
1.25 1.88 0.65 0.22
0.68 1.02 0.00 0.00
11.31 17.01 179.69 214.99
1.27 1.91 0.72 0.51
0.15 0.17 0.00 0.00
3.22 4.83 0.00 0.00
2.90 4.36 0.00 0.00
22.33 33.68 102.67 154.32
0.18 0.20 0.00 0.00
2.47 3.72 0.00 0.00
13.39 20.19 108.61 99.81
0.36 0.53 0.00 0.00
MPFCN=MAXIMUM POTENTIAL FREE CYANIDE
NA=NOT ANALYZED
CALCULATIONS BASED ON METHODS OUTLINED IN CYANIDE CHEMISTRY REPORT BY ASCI, MAY 1992