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W iiI L <br /> Certificate of Analysis <br /> WECK LABORATORIES,INC. <br /> FINAL REPORT <br /> Geoanalytical Laboratories, Inc. Project Number: F9J1406 Reported: <br /> 2300 Maryann Drive 12/19/2019 17:23 <br /> Turlock,CA 95380 Project Manager: Christina Ruiz <br /> Quality Control Results <br /> Metals-Soluble on STLC by EPA 6000/7000 Methods <br /> Spike Source %REC RPD <br /> Analyte Result MRL Unita Level Result %REC Limits RPD Limit Qualifier <br /> Batch: W911.0740-EPA 6020 <br /> Blank(W9L0740-BLK1) Prepared:12/11/19 Analyzed:12/18/19 <br /> Chromium,Soluble on WET Extract NO 0.40 mg/I <br /> Lead,Soluble on WET Extract NO 0.10 mg/I <br /> LCS(W9L0740-BS1) Prepared:12/11/19 Analyzed:12/18/19 <br /> Chromium,Soluble on WET Extract 0.496 0.40 mg/I 0.500 99 80-120 <br /> Lead,Soluble on WET Extract 0.473 0.10 mg/I 0.500 95 80-120 <br /> Matrix Spike(W9L0740-MS1) Source:9.124029-07 Prepared:12/11/19 Analyzed:12/18/19 <br /> Chromium,Soluble on WET Extract 0.602 0.40 mg/I 0.500 0.112 98 75-125 <br /> Lead,Soluble on WET Extract 3.78 0.10 mg/I 0.500 3.37 83 75-125 <br /> Matrix Spike Dup(W9L0740-MSD7) Source:9.124029-07 Prepared:12/11/19 Analyzed:12/18/19 <br /> Chromium,Soluble on WET Extract 0.594 0.40 mg/I 0.500 0.112 96 75-125 1 20 <br /> Lead,Soluble on WET Extract 3.83 0.10 mg/I 0.500 3.37 91 75-125 1 20 <br /> Quality Control Results <br /> Metals(Non-Aqueous)by EPA 6000/7000 Series Methods <br /> Spike Source %REC RPD <br /> Analyte Result MRL Units Level Result %REC Limits RPD Limit Qualifier <br /> Batch: W9.11606-EPA 6020 <br /> Blank(W9.11606-BLK7) Prepared:10/27/19 Analyzed:10/30/19 <br /> Antimony,Total NO 0.50 mg/kg <br /> Arsenic,Total NO 0.50 mg/kg <br /> Barium,Total NO 0.50 mg/kg <br /> Beryllium,Total NO 0.30 mg/kg <br /> Cadmium,Total NO 0.20 mg/kg <br /> Chromium,Total NO 1.0 mg/kg <br /> Cobalt,Total NO 0.50 mg/kg <br /> Copper,Total NO 0.50 mg/kg <br /> Lead,Total NO 0.50 mg/kg <br /> Molybdenum,Total NO 0.50 mg/kg <br /> Nickel,Total NO 1.0 mg/kg <br /> Selenium,Total NO 0.50 mg/kg <br /> Silver,Total NO 0.50 mg/kg <br /> Thallium,Total NO 0.50 mg/kg <br /> Vanadium,Total NO 1.0 mg/kg <br /> Zinc,Total NO 5.0 mg/kg <br /> Blank(W9J1606-BLK2) Prepared:10/27/19 Analyzed:11/07/19 <br /> Barium,Total NO 0.50 mg/kg <br /> Chromium,Total NO 1.0 mg/kg <br /> Molybdenum,Total NO 0.50 mg/kg <br /> Zinc,Total NO 5.0 mg/kg <br /> 9J24029 <br /> "I4°59,'lark Ao., -.City of h•.clustry CA-917-15 c.. ne: 1,9 axe(.�6)136-c63a <br /> ww:,.,v veckla,%,c,)rn <br />