REV09609

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Date: 5/1/1995
• Doc Name: APPENDIX 7 METALS MOBILITY TESTING OF HISTORIC MINE WASTES
• Type & Sequence: AM6
• Media Type: D
• Archive: No

Mr. John Hardaway/Pikes Peak Mining
MLI Job No. 2039 -August 4, 1994
Table 2. - Malvtical Results. MWMT Extr
-3-
Analysis FO-A FO-B
Cyanide, Free < 1 < 1
Cyanide, Total <0.01 <O.OI
Cvanide. WAD <0.01 <0.0t
Table 3. - Malvtical Results. MWMT Extracts. me/1
Bertha Gold
Alkalinity, as mg CaC03/1 0 0 16 25 3
Aluminum 8.3 13 <0.1 <0.1 0.9
Arsenic 0.010 <0.005 0.011 <0.005 <0.005
Barium 0.11 0.11 0.14 0.07 0,12
Bicarbonate 0 0 20 30 3,7
Cade <0.005 <0.005 <0.005 <0.005 <0,005
Calcium 4.2 24 9.6 150 14
Carbonate 0 0 0 0 0
Chloride 1.4 1.6 < 1 < 1 < 1
Chromium <0.005 <0.005 <0.005 <0.005 <0.005
Copper 0.048 0.017 0.017 <0.005 <0.005
Cyanide, Free < 1 < 1 < 1 < 1 < 1
Cyanide, Total 0.018 <0.01 <0.01 <0.01 <0.01
Cyanide, WAD <0.01 <0.01 <0.01 <0.01 <0.01
Fluoride 0.44 16 3.5 0.32 1.6
Iron 0.23 0.08 0.10 0.02 0.40
Lead 0.005 <0.005 <0.005 <0.005 0.006
Magnesium 0.69 2.7 1.8 16 1.5
Manganese 0.078 1.5 0.027 0.032 0.66
Mercury <0.0001 <0.0001 0.0004 <0.0001 <0.0001
Molybdenum <0.01 <0.01 0.03 0.05 <0.01
Nickel <0.02 0.02 <0.02 <0.02 <0.02
Nitrate (as N) < 1 < 1 < 1 < 1 < 1
pH, stu 3.52 4.38 7.16 7.64 5.88
Potassium 3.4 9.8 4.0 6.7 2S
Selenium <0.005 <0.005 <0.005 <0.005 <0.005
Silver <0.005 <0.005 <0.005 <0.005 <0.005
Sodium 2.0 2.4 1.8 23 23
Strontium 0.46 0.17 1.5 1.7 0.25
Sulfate 85 120 427 16 42
Total Dissolved Solids 134 276 692 76 90
Tin 0 21 0 30 0.014 0.047 0.20
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McCLELLAND LABORATORIES. INC.