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',',~ <br />Western Alias <br />International <br />. Lep,l~.. u„y.m <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 />09/20/93 <br />JOB NUMBER: 931468 CUSTOMER: BATTLE MOUNTAIN GOLD ATTN: ALANA SCOTT <br /> ANALYSIS DUPLICATES REFERENCE STANDARDS MATRI% SPIKES <br /> <br />ANALYSIS ANALYSIS ANALYSIS ANALYZED DUPLICATE RPD or TRUE PERCENT ORIGINAL SPIKE PERCENT <br />TYPE SUB-TYPE I.D. YALUE (A) VALUE (B) (+A -B~) YALUE RECOVERY VALUE ADDED RECOVERY <br />PARIIMETER:pH (Fi Lt.) DATE/TIME ANALY2ED:08/20/93 10:30 OC BATCX NUMBER:276948 <br />REPORTING LIMIT/DF: 0.01 UNITS: pH Units METH00 REFERENCE :150.1 (1) TECHNILIAN:VKN <br />STANDARD CCV 57.00 6.95 7.00 99 <br />STANDARD CCV 57.00 6.96 7.00 99 <br />STANDARD CCV 57.00 6.95 7.00 99 <br />STANDARD CCV 57.00 6.95 7.00 99 <br />DUPLICATE MD 931468-10 7.21 <br />DUPLICATE ND 931468-20 7.32 <br />DUPLICATE MD 931468.30 7.31 <br />DUPLICATE MD 931468-40 7.23 <br />PARAMETER :ACidi[y (Fitt.) <br />REPORTING LIMIT/D F: 10 UNITS:mg/L CaC03 <br />BLANK MB 930820 <10 <br />DUPLICATE MD 931468-10 13 <br />DUPLICATE MD 931468-20 10 <br />DUPLICATE ND 931468-30 10 <br />DUPLICATE MD 931468-40 11 <br />PARAMETER:Alkaf inity, Total (filt-) <br />REPORTING LIMIT/D F: 5 UNITS:mg/L CaC03 <br />BLANK MB 930820 <5 <br />STANDARD LCS 49307128 159 <br />DUPLICATE MD 931468-1D 21 <br />DUPLICATE MD 931468-20 24 <br />DUPLICATE MD 931468-30 21 <br />DUPLICATE MD 931468-40 19 <br /> <br />PARAMETER:SULfa[e (Fitt.) <br />REPORTING LJM17/DF: 10 UNIiS:mg/L <br /> <br />BLANK ICB 930823 <10 <br />BLANK CCB 930823 <10 <br />STANDARD ICV G930811A 51 <br />STANDARD CCV 580 81 <br />SPIKE NS 931511-1 55 <br />DUPLICATE MD 931511-1 <10 <br />PARAMETER:Alkalinity, Totat (Fitt.) <br />REPORTING UNIT/Df: 5 UNITS:mg/L CaC03 <br />BLANK MB 930824 <5 <br />STANDARD LCS G930823A 172 <br />DUPLICATE MD 931468-60 12 <br />DUPLICATE ND 931468-41 21 <br />DUPLICATE MD 931468-48 25 <br />7.19 0 <br />7.27 1 <br />7.28 0 <br />7.30 1 <br />DATE/TINE ANALY2ED:08/20/93 10:30 <br />METN00 REFERENCE :305.1 (1) <br />10 3 <br />10 0 <br />10 0 <br />11 0 <br />DATE/TINE ANAL Y2ED:08/20/93 10:30 <br />METHOD REFERENCE :310.1 (1) <br />167 95 <br />21 0 <br />21 3 <br />21 0 <br />19 0 <br />DATE/TIME ANALYZED :08/23/93 08:25 <br />METHOD REFERENCE :375.2 (1) <br />50 102 <br />80 101 <br /><10 I NC <br />DATE/TIME ANALYZED:08/24/93 11:45 <br />METHOD REFERENCE :310.1 (1) <br />12 0 <br />21 0 <br />24 1 <br />167 103 <br />OC BATCH NUMBER:27 <br />TECHNICIAN <br />OC BATCH NIANBER:276950~ <br />TECXNICIAN:VKN <br />OC BATCH NUNBER:276969 <br />TECHNICIAN:DME <br /><10 50 110 <br />OC BATCH NUMBER:277159 <br />TECXNI CIAN:RKB <br />10703 East Bethany Drive <br />Aurora, CO 80014 <br />(303) 751-1780 <br />PAGE:4 <br />ilia anP.fes o non: w in r iom a ~n mss ~FOn ne pasea umn poslnawru anp male ul fuW~ap q Ina c4nl lm •rve V uuave aru tunlamal use mn RWI nu Exn mma ire u~erp nnms n ppraYls r.vnW rap! <br />I T! IXSI IWpmMI pl Lpa LiMra pry{ (qr! L]pD'a lords MnPrer ii WmCS no resmn5ip~llry ap ma Y3 T ~anin r/ w rawlylrt]rLnt arOralf pr ~mpN. b 1011! pMW.trvlry pl{Er pgri46. p prW~apMrGla y arty py pa! [pal p <br />plMr m.nlral proplM yu ry yrp in Wnry(lan nm ~nnn sucn reM/I ~5 u5ap pr y4M uN+lor am reason ~nalaR.er ilui ramn mall TI Y try muW a.cep in ~a anbery .rillNl lf! ~rrI1M iprpal pl (pallOpilpyy <br />