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<br />CORE LABORATORIES
<br />L A B O R A T O R Y T E S T R E S U L T S
<br />Job Number: 970111 Date: 09/16/98
<br />CUSTOMER: Battle Mountain Gold Company PROJECT: 40TR96 KINETIC TEST ~ ~ATTN: Ron Zumwalt
<br />Customer Sample ID: 40TR96 NEEK-52 Laboratory Sample ID: 970111-83
<br />Date Sampled......: 01/26/1998 Date Received.......: 01/26/1998
<br />Time Sampled......: 09:00 Time Received.......: 09:00
<br />Sample Matrix.....: Solid
<br />TEST METH PARAMETER/TEST DESCRIPTION SAMPLE RESULT REPORTING LIMIT UNITS DATE TECH
<br />EPA 305.1 Acidity as CaC03, Filt. c10 10 mg/L CaC03 01/29/98 mjf
<br />EPA 310.1 Alkalinity, Total as CaC03, Filt. 20 5 mg/L CaC03 01/29/98 mjf
<br /> Initial pH of DI Added to Cell, Filt. 5.66 0.01 pH Units 01/26/98 mjf
<br /> Leachate Collected, Fi lt. 170 0.1 mL 01/26/98 mjf
<br />EPA 120.1 Specific Conductivity a 25 degrees C, Filt. 44 1 un~hos/cm 01/28/98 mjf
<br />EPA 375.2 Sulfate (504), Filt. <10 10 mg/L 02/03/98 lmj
<br />EPA 150.1 pH, Fi lt. 7.66 0.01 pH Units 01/29/98 mjf
<br />SN-846 6010A Iron (Fe), Diss. 0.04 0.03 mg/L 01/29/98 sus
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