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1 Soil Digestion for ICP&ICP-MS Curtis&Tompkins,Ltd_ <br /> IMS Batch#: i;,9 cl I Digestion Method BK 2995 <br /> date Digested: %L4 1D G- EPA 3050b Page 1 I <br /> Digested by: ��� ❑ <br /> Weight of Final Filtered? <br /> Sample# Container ID Sample(g) Volume(mL) (y/n) Comments <br /> A N V— <br /> S� <br /> MS-ora.-001 .c <br /> 5 Msn--O q.-00f <br /> 21 O_tq-o�t t dGf <br /> 015 <br /> 10 —IX., 1 <br /> 15 <br /> 20 <br /> Date` Reagent ID or LIMS# Initials/Date <br /> Digestion tubes,lot# Esq Y; e -210 <br /> mL of spike solution(Stdl)was added to all spikes 12i g2 <br /> +�7 _mL of spike solution(Std2)was added to all spikes C �ti3 <br /> digestion temperature(90-95 degrees G) ,cj5`� <br /> Digestion begun at(time) <br /> 1:1 HNO3 lA l <br /> concentrated HNO3 'N 12322 <br /> 3mL 30%hydrogen peroxide AA-36A6 <br /> concentrated HCl (,4Aq 3? <br /> Digestion ended at(time) <br /> ❑ filtered thru'Whatman 9 541 <br /> = Relinquished to ICP group <br /> Continued from page <br /> Continued on page <br /> sIligestion Chemist I Date Reviewed by /Date <br /> 192 of 295 <br />