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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 2umualt
<br />Customer Sample ID: 40TR96 NEEK-59 Laboratory Sample ID: 970111-60
<br />Date Sampled......: 03/16/1998 Date Received.......: 03/16/1998
<br />Time Sampled......: 09:00 Time Received.......: 09:00
<br />Sample Matrix.....: Solid
<br />TEST METN PARAMETER/TEST DESCRIPTION SAMPLE RESULT REPORTING LIMIT UNITS DATE TECH
<br />EPA 305.1 Acidity as CaC03, Filt. <10 10 mg/L CaC03 03/27/98 mjf
<br />EPA 310.1 Alkalinity, Total as CaC03, Filt. 14 5 mg/L CaC03 03/27/98 mjf
<br /> Initial pH of DI Added to Cell, Filt. 6.59 0.01 pH Units 03/16/98 mjf
<br /> L eachate Collected, Filt. 171 0.1 mL 03/16/98 mjf
<br />EPA 120.1 Specific Conductivity a 25 degrees C, Filt. 35 1 umhos/cm 03/23/98 tlp
<br />EPA 375.2 Sulfate (504), Filt. <10 10 mg/L 03/17/98 lmj
<br />EPA 150.1 pH, Filt. 7.06 0.01 pH Units 03/27/98 mjf
<br />Su-846 6010A Iron (Fe), Diss. 0.05 0.03 mg/L 03/25/98 lmt
<br />Page 11
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