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A9H1897 <br /> Ek� General <br /> ASSOCIATES <br /> BSK Associates Laboratory Fresno <br /> Metals Quality Control Report <br /> Spike Source %REC RPD Date <br /> Analyte Result RL Units Level Result %REC Limits RPD Limit Analyzed . al <br /> EPA 6020-Quality Control <br /> Batch:A912104 Prepared: 8/16/2019 <br /> Prep Method:EPA 3050B Analyst: MAS <br /> Matrix Spike Dup(A912104-MSD1),Source:A91-11897-01 <br /> Thallium 87 2.0 mg/kg 100 ND 87 75-125 2 20 08/18/19 <br /> Vanadium 140 13 mg/kg 100 38 103 75-125 3 20 08/18/19 <br /> Zinc 240 63 mg/kg 100 130 112 75-125 6 20 08/18/19 <br /> EPA 6020A-Quality Control <br /> Batch:A912104 Prepared:8/16/2019 <br /> Prep Method: EPA 30508 Analyst: MAS <br /> Blank(A912104-BLK1) <br /> Mercury ND 0.50 mg/kg 08/18/19 <br /> Blank Spike(A912104-BSI) <br /> Mercury 2.4 0.50 mg/kg 2.5 ND 95 75-125 08/18/19 <br /> Blank Spike Dup(A912104-BSD1) <br /> Mercury 2.3 0.50 mg/kg 2.5 ND 92 75-125 3 20 08/18/19 <br /> Matrix Spike(A912104-MSI),Source:A91-11 897-01 <br /> Mercury 2.2 0.50 mg/kg 2.5 ND 88 75-125 08/18/19 <br /> Matrix Spike Dup(A912104-MSD1),Source:A91-11897-01 <br /> Mercury 2.2 0.50 mg/kg 2.5 ND 89 75-125 1 20 08118/19 <br /> The results in this report apply to the samples analyzed in A91-11897 FINAL 08232019 1359 <br /> accordance with the chain of custody document. This <br /> analytical report must be reproduced in its entirety. <br /> www.BSKAssociates.com Page 7 of 16 <br />