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<br />Western Atlae
<br />International
<br />• t'P DtiF CO'{Y1
<br />CORE LABORATORIES
<br />L A B O R A T O R Y T EST S R E S U L T S
<br />10/19/92
<br />JOB NIMBER: 927690 WSTOMER: BATTLE MOUNTAIN GOLD ~ ~ ATTN: ALANA SCOTT
<br />CLIENT I.D.........: 5284 SAN LUIS LABORATORY I.D...: 921690-0010
<br />DATE SAMPLED.......: 09/04/92 DATE RECEIVED....: 09'/04192
<br />TIME SAMPLED.......: 09:15 TINE RECEIVED....: 17:58
<br />VORK DESCRIPTION...: RS-S REMARKS..........:
<br />TEST DESCRIPTION FINAL RESULT LIMITS/'DILUTION UNITS OF MEASURE TE Si METHOD DATE TECNN
<br />pl kelinity, Total (Unfilt.) 97 5 ng/L CaC03 310.1 (1) 09/14/92 vl;N
<br />Bicarbonate (Unfilt.) 118 5 nglL 403 (3) 09/74/92 VKN
<br />Carbon, Total Orgenle (TOC) 3 2 ng/L 415.2 (1) 09/22/92 KJA
<br />Carbonate (Unfilt.) <1 1 ng/L 403 (3) 09/74/92 VKN
<br />Chloride (Unfilt.) 7.1 0.5 ng/L 325.2 (1) 09124!92 PJN
<br />Cyanide, Total (Unfilt.) <0.02 0.02 ng/L 335.2 (1) 09/11/92 MRC
<br />Cyanide, V.A.D. (Unfilt.) <0.02 0.02 m9/L 412N (3) 09/18/92 MRC
<br />Fluoride (Unfilt.) 0.6 0.1 ng/L 340.3 (1) 09/17/92 KDS
<br />Nitrogen, Ammonia (Unfilt. es N) 0.82 0.01 ng/L (as N) 350.1 (1) 09/30/92 RMN
<br />Nitrate * Nitrite (ea N) [Unfilt.] <0.05 0.05 nglL (as N) 353.2 (1) 09/28/92 VKN
<br />Oil end Grease (Infrared) <5 5 ng/L 413.2 (1) 09/23/92 NRC
<br />Solids, Total Dissolved (iD5) 146 10 ng/L 160.1 (1) 09/09/92 KDS
<br />Solids, Totsl Suspended, TSS 23 4 ng/L 160.2 (1) 09/04(42 RNN
<br />Sulfate (Unfilt.) <70 70 ng/L 375.2 (7) 09/29/92 PJM
<br />Sulfide (Unfilt.) 0.07 D.OS ng/L 376.2 (1) 09/22/92 KJA
<br />Al uninun, Diss. (Al) <0.05 0.05 mg/L 200.7/6010 (1,2) 10/01/92 GAG
<br />Al uninun, Total (A!) 0.08 0.05 ng/L 200.7/6010 (1, 2) 09/27/92 VGL
<br />Arsenic, Diss. (As) <0.05 0.05 ngll 200.716010 (1,2) 10/01)92 GAG
<br />Arsenic, Total (AS) <0.05 0.05 ng/L 200.7/6010 (7, 2) 09/27/92 VGL
<br />Barium, Diss. (ee) 0.04 0.01 ng/L 200.7/6010 (1,2) 70/01/92 GAG
<br />Bertum, Total (Be) 0.04 0.01 m9/L 200.7/6010 (7, 2} 09!27/92 YGL
<br />Boron, Diss. (8) <0.05 0.05 mg/L 200.7/6010 (1, 2) 10/01/92 GAG
<br />Boron, Total (81 <0.05 0.05 mg/L 200.7/6010 (1, 2) 09/27/92 VGL
<br />1300 South Potomac, Suite 130
<br />Aurora, CO BD012
<br />(303) 751-1780
<br />PAGE: 12
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