~~LAB
<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 WEEK-63 Laboratory Sample ID: 970111-64
<br />Date Sampled......: 04/13/1998 Date Received.......: 04/13/1998
<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. 10 10 mg/L CaC03 04/27/98 mjf
<br />EPA 310.1 Alkalinity, Total as CaC03, Filt. 14 5 mg/L CaC03 04/27/98 mjf
<br /> Initial pH of DI Added to Cell, Filt. 5.69 0.01 pH Units 04/13/98 mjf
<br /> Leach ate Collected, Filt. 167 0.1 mL 04/13/98 mjf
<br />EPA 120.1 Specific Conductivity a 25 degrees C, Filt. 31 1 umhos/cm 04/23/98 dme
<br />EPA 375.2 Sulfate (504), Filt. <10 10 mg/L 05/04/98 [lp
<br />EPA 150.1 pH, Filt. 7.24 0.01 pH Units 04/27/98 mjf
<br />SN-846 6010A Iron (Fe), Diss. 0.06 0.03 mg/L 05/18/98 lmt
<br />Page 15
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