ENFORCE36671

• Permit No: M1988112
• IBM Index Class Name: Enforcement
• Doc Date: 5/14/1993
• Doc Name: LOWER POND
• Media Type: D
• Archive: No

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CORE LABORATORIES
L A B O R A T O R Y T EST 5 R E S U L T S
02/25/93
JOB NUMBER: 922309 CUSTOMER: BATTLE MOUNTAIN GOLD ATTM: MAMA SmTi
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CLIENT I.D.........: SAN LU15 LABORATORT I.D ...:~ 922309-0004
DATE SAMPLED.......: 12/23/92 DATE RECEIVED....: 12/27/92
i1ME SAMPLED.......: TIME RE[E IVED....: 11:30
NORK DESCRIPTION...: A18 63-90 REMARKS..........: UNRINSED TAILING SOLIDS
TEST DESCRIPTION FINAL RESULT LIMITS/•DI lUTION UNITS OF MEASURE TEST M TROD DATE TECNN
Total Sulfur (as S) 1.20 0.01 X Leco 01/28/93 SL
Pyritic Sulfur (as S) 0.76 0.01 X Nitriq Leach 02/01/93 KDS
Sulfate Sulfur (X) 0.22 0.01 X HCL Leach 02/01/93 KDS
Total Sulfur (Tons CeC03/Kt) 37.5 0.3 Tons CeC03/Kt Leto 01/28/93 SL
Pyritic Sulfur, (Tons CaC03/Kt) 23.8 0.3 Tons CaC03/Kt Ni[ric~Leach 02/01/93 KDS
Acid Neutralizing Potential 12.4 0.1 Tons CaC03/Kt SOANPI 02/11/93 MR[
Net Sieve Analysis •1 ASTM DF22 02/11/93 DDM
Plus 10 mesh (2.00 mm) <0.1 0.1 X by wt.
10 % 40 Mesh (2.OOmm z 0.43mm) 0.2 0.1 Y. by wt.
40 x 60 mesh (0.43mm % 0.25mm) 1.3 0.1 X by wt.
60 ^ 100 mesh (0.25mm x 0.15mm) 12.2 0.1 X by wt.
100 x 200 nesh (0.15mm x 0.075mm) 26.9 0.1 X by wt.
Minus 200 mesh (0.075mm) 59.4 0.1 X by wt.
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Aurora, CO 80014
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