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~,~ <br />Western Atlas <br />International <br />„~ .tea. ~,~,.. <br />CORE LABORaTOR1ES <br />D U A L I T Y C O N T R O L R E P O R T <br />11/10/93 <br />JOB NUMBER: 931935 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 I.D. VALUE (A) VALUE (B) (~A-B~) VALUE RECOVERY VALUE ADDED RECOVERY <br />PARAMETER:Selenium, Diss. (Se) DATE/TIME ANALYZED: 10/22/93 23:53 OC BATCH NUM8ER:281554 <br />REPORTING LIMIT/DF: D.7 UNITS:mg/L METHOD REFERENCE :6010 (2) TECHNICIAN:GAG <br />DUPLICATE MD 930673-055 <0.1 <0.1 NC <br />PARAMETER:Zine, Oiss, (2n) DATE/FINE ANALYZED: 10/22/93 23:53 OC BATCN NUMBER:281555 <br />REPORTING LIMIT/D F: 0.01 UNITS:mg/L METHOD REFERENCE :6010 (2) TECHNICIAN:GAG <br />BLANK ICB 1075E <0.01 <br />BLANK LCB 7015E <0.01 <br />BLANK CCB 1015E <0,01 <br />BLANK CCB 1075E <0.01 <br />BLANK CCB 7015E <0.01 <br />STANDARD CCV 0727G 2,39 2.50 96 <br />STANDARD ICV 0820E 2,01 2.00 100 <br />STANDARD CCV 0727G 2,38 2.50 95 <br />STANDARD ISB 0907K 0,86 1.00 86 <br />STANDARD CCV 0727G 2,40 2.50 96 <br />STANDARD CCV 0727G 2.38 2.50 95 <br />STANDARD ISB 0907K 0,89 7.00 89 <br />SPIKE PDS 937935-005 3,28 2.51 1,00 77 <br />SPIKE PDS 931374-010 0,95 <0.07 1.00 95 <br />DUPLICATE MD 931935-003 2,90 2.94 7 <br />DUPLICATE MD 931374-009 <0,01 <0.01 NC <br />DUPLICATE MD 930673-OSS <0.01 <0.07 NC <br />PARAMETER:SUtfate (Fi Lt.) DATE/TIME ANALYZED: 10/20/93 08:00 OC BATCH NUMBER:281576 <br />REPORTING LIMIT/DF: 10 ' UNITS:mg/L METHOD REFERENCE :375.2 (1) TECNNI CI AN:PJM <br />BLANK ICB 931020 <10 <br />BLANK CCB 931020 <10 <br />BLANK CCB 931020 <10 <br />STANDARD ICV/LCS G930428A 47 50 94 <br />STANDARD CCV 5120 720 120 100 <br />STANDARD CCV 5120 120 120 100 <br />STANDARD CCV 5720 120 120 100 <br />SPIKE ~ MS 932026-6 156 105 50 102 <br />SPIKE MS 930673-68 169 720 50 98 <br />SPIKE MS 930673-78 153 104 50 98 <br />DUPLICATE MD 932026-b 105 104 1 <br />DUPLICATE MD 930673-68 120 116 3 <br />DUPLICATE MD 930673-78 104 100 4 <br />PARAMETER:COnduct ivity (Filt.) GATE/TIME ANALYZEP:70/25/93 09:45 OC BATCH NUMBER:281631 <br />REPORTING LIMIT/DF: 1 UNITS:umhas/cm a25dC METHOD REFERENCE :120.7 (1) ~ TECXNICIAN:RJC <br />BLANK M8 931025 <1 <br />STANDARD LCS 931002 104 102 102 <br />STANDARD ICV G930811D 1410 1410 100 <br />10703 East Bethany Drive <br />Aurora, CO 80074 <br />(303) 751-1780 <br />PAGE: 19 <br />m.awyaa.owloe p~euvamo~u m~uloea ~~ma,epan as msso ~w~mnna~cm aea mnewsoppea eY N. dlwe rp.rosee.m.. p.e mnme~nu~uv ons ,.pon vsawe msx rr. mmerpeuwea o.mw„uersa..e repo <br />vn Ov Enl ~tlpnam o~ fea lammmas Wa laWranln. beer. avwmn ro ruuopluwM aM mawea m ~ananh p ~apaury~ors s.peu p impcd. ss to In P'~a]^"h. omw~ tp~a~ms. o~ <br />gdnadMan 01 anY o-l Qaf mL p <br />dNr m.gal, pcprry, wll o- LN n (pvepon nN ten' ~ VJI npvl a WM a nllU up b anY ~eCUI MIAm.v i1Yf ra(p1 Yya ~q y rtenM~uy q.wp n na ml.l1/. wEVa111M w~lY~ a[pwal d fpa lWlrypmf. <br />