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'~~~ <br />western Atlea <br />International <br />CORE LABORdTORIES <br />D U A L I T Y C O N T R O L R E P O R T <br />12!16/43 <br />JOB NUMBER: 932224 CUSTOMER: BATTLE MOUNTAIN GOLD ATTN: ALANA SCOTT <br />ANALYSIS DUPLICATES REFERENCE STANDARDS MATR IK SPIKES <br />ANALYSIS ANALYSIS ANALYSIS ANALYZED DUPLICATE RPD or TRUE PERCENT ORIGINAL SPIKE PERCENT <br />TYPE SUB-TYPE I.D. VALUE (A) VALUE (8) (~A-B~) VALUE RECOVERY VALUE ADDED RECOVERY <br />PARAMETER:Nitrate + Nitrite (as N) [UnfiLt.7 DATE/TIME ANALYZED:11/19/93 04:30 OC BATLN NUNBER:28351b <br />REPORTING LIMIT/D F: 0.05 UNITS:ng/L (as N) METHOD REFERENCE :353.2 (1) TECNNI CIAN:PJM <br />BLANK CC8 931119 <0.05 <br />STANDARD ICV/LCS G9310138 1.01 1.00 101 <br />STANDARD CCV 53.00 2.87 3.OD 96 <br />SPIKE MS 932224-12 4.08 3.23 1.00 85 <br />DUPLICATE MD 932224-12 3.23 3.29 2 <br />PARAMETER:Cyanide, Total (Unfilt.) DATE/TIME ANALYZED:11/19/93 06:30 OC BATCH NUMBER:283533 <br />REPORTING LIMIT/DF: 0.02 UNITS:mg/L METHOD REFERENCE :335.2 (1) TECNNICIAN:SLS <br />BLANK ICB SO <0.02 <br />BLANK CCB SO <0.02 <br />BLANK MB 931119 <0.02 <br />STANDARD ICV/LCS G931112A 0.20 0.22 91 <br />STANDARD DI ST. CHK. G930820B 0.23 0.25 92 <br />STANDARD LCV 50.30 0.28 0.30 93 <br />SPIKE MS 932224-10 0.22 <0.02 0.25 88 <br />DUPLICATE MD 932224-L 0.23 0.23 0 <br />PARAMETER :A lkal ini ty, Total (Unfi lt.) DATE/TIME ANALYZED:11/23/97 08:00 OC BATCX NUNBER:283598 <br />REPORTING LIMIT/D F: 5 UNITS: mg/L CaC03 METHOD REFERENCE :310.1 (1) TECHNICIAN:KDS <br />BLANK MB 931123 <5 <br />STANDARD LCS G931018C 164 167 98 <br />DUPLICATE MD 932239-3 205 206 0 <br />DUPLICATE MD 932224-12 123 123 0 <br />PARAMETER:Carbonate (Unfilt.) DATE/TIME ANALYZED: 11/23/93 08:00 OC BATCH NUMBER:283600 <br />REPORTING LIMIT/D F: 1 UNITS:mg/L METHOD REFERENCE :2320 B (3) TECNNICIAN:KDS <br />BLANK MB 931123 <1 <br />DUPLICATE MD 932239-3 <1 c1 NC <br />DUPLICATE MD 932224-12 <1 <1 NC <br />PARAMETER:B icarbonate (Unfilt.) GATE/TIME ANALYZED: 11/23/93 08:00 OC.BATCN NUMBER:283601 <br />REPORTING LIMIT/D F: 5 UNITS:ny/L METHOD REFERENCE :2320 B (3) TECXN ICIAN:KDS <br />BLANK MB 931123 <5 <br />DUPLICATE MD 932239-3 250 251 0 <br />DUPLICATE MD 932224-12 150 150 0 <br />PARAMETER:Nitrogen, Ammonia (Unfilt, as N) DATE/TIME ANALYZED: 11/24/93 07:35 OC BATCH NUNBER:2B3TS8 <br />REPORTING LIMIT/DF: 0-D1 UNITS:mg/L (as N) METHOD REFERENCE :350.1 (1) TECNN ICIAN:SLS <br />BLANK ICB 931124 <0.01 <br />BLANK CCB 931124 <0.01 <br />STANDARD ICV/LCS G930810D 0.49 0.50 98 <br />10703 East 8etharV/ Drive <br />Aurora, LO 80014 <br />(303) 751-1780 <br />PAGE:3 <br />ib ri.nw.mnn.w~.nw.an.mv.enu..~.aw.n. eno ww.m.....m..cn..rmwraa m.a.wv.iv...ww..m mnm.w~n.r mnm~~. e.n..e.. rw a.o~.®.wa.e..we.o,m <br />,w+w e.a wmre w v<um.e... Ca. ~uw.v.. nw<+. aw....n vmemn rc nrn m.mwn w wwewumn nwe. w.wa. e o e. mm.+r onnw aorsil w wwsr~ w w a. o~ er s <br />a.w ~Mtlw~F.++w ur~eno~~nwn w~nvm nom •u.<aw n.e m~a anrnum..aa.w 1M nom vuu in 4. nwmo«opns<nu.n .llW m. ~Cw sper~dCm uOws.~ <br />