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',',~ <br />Western Atlas <br />International <br />CORE LABORATORIES <br />Q U A L I T Y C O N T R O L R E P O R T <br />01/05/94 <br />JOB NUMBER: 931468 CUSTOMER: BATTLE MOUNTAIN GOLD ATTN: ALANA SCOTT <br />ANALYSIS DUPLICATES REFERENCE STANDARDS MATRIX SPIKES <br />ANALYSIS ANALYSIS ANALYSIS ANALYZED DUPLICATE RPD or TRUE PERCENT ORIGINAL SPIKE PERCENT <br />TYPE SUBTYPE 1.0. VALUE (A) VALUE (B) (IA-BI) VALUE RECOVERY VALUE ADDED RECOVERY <br />PARAMETER:Sulfate (Fi lt.) DATE/TIME ANALYZED:11/t1/93 08:30 OC BATCH NUMBER:28Z896 <br />REPORTING LIMIT/D F: 10 UNITS:mg/L METHOD REFERENCE :375.2 (1) ~ TECHNIC IAN:OME <br />BLANK ICB 931711 <70 <br />BLANK CCB 931111 c10 <br />BLANK CCB 937111 <10 <br />BLANK CCB 931111 <10 <br />BLANK CCB 931711 <10 <br />BLANK CCB 937711 <10 <br />BLANK CCB 931111 <10 <br />STANDARD ICV/LCS G930413A 100 100 100 <br />STANDARD CCV S80 82 80 102 <br />STANDARD CCV 580 81 80 101 <br />STANDARD CCV S80 82 80 102 <br />STANDARD CCV 580 84 80 105 <br />STANDARD CCV 580 82 80 102 <br />STANDARD CCV 580 82 80 102 <br />SPIKE MS 930220-22 117 75 50 84 <br />SPIKE MS 930220-29 111 62 50 98 <br />SPIKE MS 930980-103 74 23 50 102 <br />SPIKE MS 930980-710 67 15 50 104 <br />SPIKE MS 930980-718 69 18 50 102 <br />DUPLICATE MD 930220-22 75 78 4 <br />DUPLICATE MD 930220-29 62 bb b <br />DUPLICATE MD 930980.103 23 24 1 <br />DUPLICATE MD 930980-110 15 17 2 <br />DUPLICATE MD _ 930980-118 18 18 0 <br />PARAMETER:pH (Fitt-) ~ DATE/TIME ANALY2ED:11/75/93 08:00 OC BATCH NUMBER:2B3062 <br />REPORTING LIMIT/DF: 0.01 UNITS:pH Uni[s METHOD REFERENCE :750.1 (T) TECHNIC IAN:KDS <br />STANDARD !CV G9304t5A 4.02 4.00 100 <br />STANDARD CCV 57.00 7,00 7.00 100 <br />STANDARD CCV 57.00 6.99 7.00 100 <br />DUPLICATE MD 931468-732 7.36 7.35 0 <br />DUPLICATE MD 931948-5 7.49 7.49 0 <br />PARAMETER :Alkal inity, Total (Fi lt.) DATE/TIME ANALY2ED:17/15/93 08:00 OC BATCH NUMBER:283063 <br />REPORTING LIMIT/DF: 5 UNI TS: mg/L CaC03 METHOD REFERENCE :310.1 (}) TECHNICIAN: KDS <br />BLANK M8 931115 <5 <br />STANDARD LCS G931018C 162 167 97 <br />DUPLICATE ND 937468-132 14 74 0 <br />DUPLICATE MD 931948-5 19 19 0 <br />PARAMETER :Acidity (Fitt.) DATE/TIME ANALTZED:11/15/93 08:00 OC BATCH NUMBER:283064 <br />REPORTING LIMIT/DF: 10 UNITS:mg/L CaC03 .METHOD REFERENCE :305.1 (7) TECHNICIAN: KDS <br />BLANK MB 931115 <10 <br />10703 East Bethany Drive <br />Aurora, CO 80014 <br />(30i) 751-1780 <br />PAGE:B <br />rna arvhsn m+ma n.^uvnauons m~m~u ~. mss uom u. m.nr uom oea.rva~ma aN mnew wm~aa M m. avn M+nm. unmet aro mmamia ma mis,eoon n» nn mass Pv mwvmmns e, mnma uwevN rvtr~ <br />and m. nn~ Wqm.~ or Ccr. lamxiwea Core lamrnaea, ro...w a.aum mpmsaun +^~ ^»» ro+amm~ a. raprlYnln~ma. r.ems o. •mqn ss a ma oae+cnn/. omow oonvwu. a ommaeinesa al am au q». mu o. <br />ure, m~~wa. o~aum.eno,s.m~.m...ne...m.ncn+,+r,mmn...a on.e.a .m+ro. mr,a»m ..vso..., ms~mwswim e.,m.aou..w~.n..+~..n..~mae m...n.. cemud cn~. ~m.voms <br />