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4�1•i <br /> I'1i <br /> To:+13038328106 k Page:4 of 7 2021-09-08 13:27:29 GMT 13032008630 From: Ben Langenfeld <br /> i <br /> j <br /> One Government Gulch•Ptl Box 924 <br /> Kellogg,m 83837-0929 <br /> ;.. .. <br /> (208)784-1258 <br /> wuwsvl.net <br /> Colorado Calumet parry Project Name:Detroit City Mine 2019 <br /> Post Office Box t I Work Order. XIG0418 <br /> Golden,CO 80402, Reported: 20-Aug-21 16:06 <br /> Quality Control l Bl,NNK Data <br /> Method kmdyie Unit Rcsult MDL TIML Batch ID Analyzed Moles <br /> Metals by EPA 017000 Series <br /> EPA 601OD Arsenic mgAtg <2.50 0.59 2.50 X131257 04-Aug-21 <br /> EPA6010D iunt m <OAD 0.38 OAD X131257 14-Aug-21 <br /> FFA60,OD 14Udntium m6Acg -OAO 0-14 0.40 X131257 04-Aug-21 <br /> EPA6010D j', omium mwkg <0.60 0,20 0.60 X131257 04-Aug-21 <br /> EPA6010D iLmd mgtkg <1.50 0,33 1.50 X131257 04-Aug-21 <br /> EPA 601OD Irlenium mglkg <4,0 1.1 4.0 X131257 04-Aug.21 <br /> EPA6010D 'Mlver mg,kg <1.00 0.20 1.00 X131257 04-Aug-21 <br /> EPA 74718 Mercury mg(kg <0.033 11011 0.033 X131258 04-Aug-21 <br /> �I <br /> Add/BaseAccor; g&Sulfur Farms <br /> ModifiedSobek P TCaCMA<T <0.3 0-3 XI33024 IS-Aug-21 <br /> Modified Sobck -cxtcactablc % <0.040 0.027 0.040 X131168 19-Aug-21 <br /> I ~lfur <br /> ModifiedSobek ,^,n-Sulfate Sulfur % <0.040 0.027 0.040 X133168 19-Aug-21 <br /> Modified Sobek i?RFptat Sulfur % <0.040 0.016 0,040 X133169 16-Aug-21 <br /> Classical Chem Parameters <br /> ASA 9 ` cific mmhov'rn <0.005 0.005 X13317U 12-Aug-21 <br /> onductance@25'C <br /> ASTM E1915-11 'tat Carbon % <0.100 0,055 0.10D X133L67 16-Aug-21 <br /> ASTM b1915-11 E. tat Inorganic ,. <0.100 0.055 0A00 Xt34039 16•Aug-21 <br /> t n <br /> Quality Control BORATORY CONTROL SAMPLE Data <br /> al LCS LCS % Acceptance <br /> Mciliod i till Analyte Units Result True )Kee. Limits Batch LD Analyzed Totes <br /> Metals by EPA �7000 Series <br /> EPA 601OD nic mwkg 99.5 too 99.5 80-120 X131257 04-Aug-21 <br /> EPA 601OD arium mwkg ID2 100 102 80-120 X131257 04 Aug-2i <br /> EPA601OD ti"t'niurn <br /> miam mgfke 99.7 100 99.7 80-12D X13t257 O4-Aug-2l <br /> EPA6010D imium mg(kg 102 100 102 80-12D X13L257 04-Aug-21 <br /> EPA6010D ! d mglkg 99.5 100 99.5 80-120 X131257 04-Aug-21 <br /> EPA601W mg/kg 97.8 too 97.8 80-120 X131257 04-Aug-21 <br /> EPA6010D leer urg/kg 4-8U 5.00 95.9 80-120 X131257 04-Aug-21 <br /> LPA74710 reury rrlglkg 0.808 0.833 97.0 80-120 X131258 04-Aug-21 <br /> Add/Base Accon I�' &Sulfur Forms <br /> Modified Sobek TCaCO-I&T 943 1000 94.8 80.120 X133024 18-Aug-21 <br /> Mudified Sobek �ryyi�I Sulfur °h 0.953 0.970 98.2 80-120 X133169 16-Aug-21 <br /> Classical Chemi.� parameters <br /> ASA 9 i-ific mtnhosI m 0.27 0.265 100 90.110 X133170 12-Avg-21 <br /> tonductance@25'C <br /> ASTM E1915-I1 i?�lbtal Csrbnn % 0,990 0.980 101 60-120 X133167 16-Aug-21 <br /> IlA A B1915-11 I luorganic % OA88 0.500 97-5 90-120 X134039 16-Aug-23 <br /> bon <br /> SVLholds the folio g certifications: <br /> AZ,0538,UMD00019 r <br /> 0965(Microbiology),NV:ID000192007A,SC H004001,UT(TNI):ID000192015-I,1VA:C573 Work order Report Page 5 of8 <br /> `u <br /> a I�/W <br /> , <br /> il� <br />