~~~
<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: 4DTR96 MEEK-66 Laboratory Sample ID: 970111-67
<br />Date Sampled......: 05/04/1998 Date Received.......: 05/04/1998
<br />Time Sampled......: 09:00 Time Received.......: 09:00
<br />Sample Matrix.....: Solid
<br />TEST METM PARAMETER/TEST DESCRIPTION SAMPLE RESULT REPORTING LIMIT UNITS GATE TECH
<br />EPA 305.1 Acidity as CaC03, Filt. 10 10 mg/L CaC03 05/15/98 dme
<br />EPA 310.1 Alkalinity, Total as CaC03, Filt. 18 5 mg/L CaC03 05/15/98 dme
<br /> Initial pH of DI Added to Cell, Fi lt. 6.79 0.01 pH Units 05/04/98 tlp
<br /> Leachate Collected, Filt. t69 0.1 mL 05704!98 tlp
<br />EPA 120.1 Specific Conductivity a 25 degrees C, Filt. 48 1 umhos/cm 05/12/98 tlp
<br />EPA 375.2 Sulfate (S04 ), Filt. <10 10 mg/L 05/28/98 tlp
<br />EPA 150.1 pH, Fi lt. 7.50 0.01 pN Uni tS 05/15/98 dme
<br />SN-846 6010A Iron (Fe), Diss. 0.11 0.03 mg/L 05/18/98 lmt
<br />Page 18
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