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<br />Western Atlas
<br />International
<br />.,.o.rom, pro.,
<br />CORE LABORATORIES
<br />' D U A L 17 Y C O N i R O l R E P O R T I
<br />07/01/93
<br />:JOB NUMBER: 930564 CUSTOMER: BATTLE MOUNTAIN GOLD ATTN: AL ANA SCOT1 O
<br />ANALYSIS DUPLICATES REFERENCE STANDARDS MATR I% SPIKES
<br />:,ANALYSIS (ANALYSIS (ANALYSIS ANALYZED DUPLICATE RPD or TRUE PERCENT ORIGINAL SPIKE PERCENT
<br />1YPE SUB-TYPE I I.D.
<br />i VALUE (A) VALUE (B) (~A-B~) VALUE RECOVERY VALUE ADDED RECOVERY
<br />~PARAMEiE R:A lkalinity, total (Fil[.) DATE/TIME aNALYZED:05/11/93 06:45 OC BATCH NUMBER:269968
<br />,REPORTING LIMIT/DF: 5 UN Ii S:m9/L CaC03 METHOD REFERENCE :310.1 (1) TECHNICIAN :DM
<br />BLANK M6 930511 <5
<br />uSTANDaRD LCS 930402) 166 167 99
<br />:DUPLICATE ;MD ,930313-31 <5 <5 NC
<br />DUPLICATE MD 1930714-G 16 14 2
<br />'DUPLICATE ~MD 1930715-13 20 18 ~ 2
<br />-PARAMEiE P.: pH (Fi(t.) DATE/TIME ANALYZED:OS/11/93 06:L5 OC BATCN NUMBER:269973
<br />"REPORT; NG !IM17/DF: 0.01 UNITS:pH Units METHOD REFERENCE :150.1 (1) TECHNICIAN :DM
<br />'siaNDa RD ICV IG930331a
<br />STANDARD ~CCV 57.00 ~ 3.99
<br />~ 6.96 I 4.00
<br />7.00 100
<br />99
<br />7DUPLICaT_ IMD 1930373-31 I 5.89 5.89 0
<br />-DUPLICa TE IMD 1930714-G 7.55 7.50 1
<br />'.DUPLICATE .MD 930715-13 7.76 7.73 0
<br />~PARAMETER:An di ty (fit:.) DATE/TIME ANALYZED :OS/11/93 06:45 OC BATCH NUMBER :26997L
<br />~REPORiING LIMIT/DF: 10 UNITS;mg/L CaC03 METHOD REFERENCE :305.1 (1) TECHNICIAN :DM
<br />6LANK ~M6 930511 <10
<br />'DUPLICATE MO 19303 U-31 hh~ <10 <10
<br />NC
<br />'DUO(ICa TE IMD 930714-4 <10 <10
<br />1
<br />I NC
<br />~DUPLICa tE IMD
<br />930715-13 V <10 <10 NC
<br />~PARAPIE iEP.; pH (Filt.) DA iE/TIME ANALYZED :OS/13/93 06:45 OC BATCH NUMBER:270156
<br />~REPOR'ING LIMIT/D F: O.Ofi UN ITS:pH Uni [5 METHOD REFERENCE :150.1 (1) TECHNICIAN:DM
<br />srauDaBD ~ICV IG930331A A.00 c,00 100
<br />'SiA)JDA RD I[LV 157.00 7.00 I 1.00 100
<br />DUPLICATE 'MD 930422-B 7.23 7.10 2
<br />DUPLICa TE MD 930569-66 7.13 7.14 0
<br />DUPLICATE MD 930672-10 6.96 6.90 1
<br />PARAME12R:alkalim [y, iota( (Fi lt.) DATE/TIME ANALYZED:OS/13/93 06:45 OC BATCH NUMBER:270157
<br />REPORTING LIMIT/DF: 5 UNIiS:mg/L CaC03 ME iHOD REFERENCE :310.1 (1) TECHNICIAN :OM
<br />6LANK !MD 930573 <5
<br />g7aNDaRD ELLS G930G02J 168 167 101
<br />DUPLICATE MD 930422-8 10 18 2
<br />DUPLICATE MD 930569.66 30 32 I 6
<br />DUPIICA iE MD 1930672.10 78 18 0
<br />FpRaMEiE R:gcidity (Fitt.) DaiE/TIME pNaLY2ED :OS/13/93 06:45 OL BATCN NUMBER :270158
<br />REPORTING LIMIT/DF: 10 UNITS: mg/L CaC03 METHOD REFERENCE :305.1 (1) TECHNICIAN:DM
<br />
<br />6LANK M6 X930513 <10
<br />DUPLICA1E IMD i930L 22-8
<br />i 13 11 2
<br />10703 East Betha Ty Drive
<br />Aurora, CO 80014
<br />(303) 751-1780
<br />PAGE :B
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