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A8L1471 <br /> Ekiiiiiiiiiiiiilli General: Heavy Metals <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 Qual <br /> EPA 6020-Quality Control <br /> Batch:A818733 Prepared: 12/15/2018 <br /> Prep Method:EPA 3010A for STLC/DISTLC Analyst: MAS <br /> Matrix Spike(A818733-MS1),Source:A81-1471-01 <br /> Antimony,WET 8.4 0.50 mg/L 8.0 ND 105 75-125 12/17/18 <br /> Arsenic,WET 8.9 0.10 mg/L 8.0 0.52 104 75-125 12/17/18 <br /> Barium,WET 15 0.25 mg/L 8.0 7.7 96 75-125 12/17/18 <br /> Beryllium,WET 7.6 0.050 mg/L 8.0 ND 95 75-125 12/17/18 <br /> Cadmium,WET 7.7 0.050 mg/L 8.0 ND 96 75-125 12/17/18 <br /> Chromium,WET 8.3 0.50 mg/L 8.0 ND 103 75-125 12/17/18 <br /> Cobalt,WET 8.1 2.5 mg/L 8.0 ND 101 75-125 12/17/18 <br /> Copper,WET 8.0 0.50 mg/L 8.0 ND 96 75-125 12/17/18 <br /> Lead,WET 7.7 0.25 mg/L 8.0 ND 97 75-125 12/17/18 <br /> Molybdenum,WET 8.8 0.50 mg/L 8.0 ND 110 75-125 12/17/18 <br /> Nickel,WET 8.2 0.50 mg/L 8.0 ND 100 75-125 12/17/18 <br /> Selenium,WET 7.5 0.10 mg/L 8.0 ND 94 75-125 12/17/18 <br /> Silver,WET 3.7 0.50 mg/L 4.0 ND 93 75-125 12/17/18 <br /> Thallium,WET 7.8 0.50 mg/L 8.0 ND 98 75-125 12/17/18 <br /> Vanadium,WET 26 0.50 mg/L 8.0 18 102 75-125 12/17/18 <br /> Zinc,WET 7.5 2.5 mg/L 8.0 ND 93 75-125 12/17/18 <br /> Matrix Spike Dup(A818733-MSD1),Source:A81-1471-01 <br /> Antimony,WET 8.4 0.50 mg/L 8.0 ND 105 75-125 0 20 12/17/18 <br /> Arsenic,WET 9.0 0.10 mg/L 8.0 0.52 106 75-125 1 20 12/17/18 <br /> Barium,WET 15 0.25 mg/L 8.0 7.7 94 75-125 1 20 12/17/18 <br /> Beryllium,WET 7.8 0.050 mg/L 8.0 ND 97 75-125 2 20 12/17/18 <br /> Cadmium,WET 7.7 0.050 mg/L 8.0 ND 96 75-125 0 20 12/17/18 <br /> Chromium,WET 8.3 0.50 mg/L 8.0 ND 104 75-125 1 20 12/17/18 <br /> Cobalt,WET 8.2 2.5 mg/L 8.0 ND 102 75-125 1 20 12/17/18 <br /> Copper,WET 8.1 0.50 mg/L 8.0 ND 98 75-125 1 20 12/17/18 <br /> Lead,WET 7.9 0.25 mg/L 8.0 ND 98 75-125 2 20 12/17/18 <br /> Molybdenum,WET 9.0 0.50 mg/L 8.0 ND 112 75-125 2 20 12/17/18 <br /> Nickel,WET 8.3 0.50 mg/L 8.0 ND 101 75-125 1 20 12/17/18 <br /> Selenium,WET 8.0 0.10 mg/L 8.0 ND 100 75-125 6 20 12/17/18 <br /> Silver,WET 3.7 0.50 mg/L 4.0 ND 93 75-125 1 20 12/17/18 <br /> Thallium,WET 7.8 0.50 mg/L 8.0 ND 98 75-125 0 20 12/17/18 <br /> Vanadium,WET 26 0.50 mg/L 8.0 18 94 75-125 2 20 12/17/18 <br /> Zinc,WET 7.5 2.5 mg/L 8.0 ND 94 75-125 1 20 12/17/18 <br /> EPA 6020A-Quality Control <br /> Batch:A818640 Prepared: 12/13/2018 <br /> Prep Method: EPA 3050B Analyst: MAS <br /> Blank(A818640-BLK1) <br /> Mercury ND 0.50 mg/kg 12/18/18 <br /> Blank Spike(A818640-BS1) <br /> Mercury 2.5 0.50 mg/kg 2.5 ND 101 75-125 12/18/18 <br /> Blank Spike Dup(A818640-BSD1) <br /> The results in this report apply to the samples analyzed in A811471 FINAL 12272018 1717 <br /> accordance with the chain of custody document. This <br /> analytical report must be reproduced in its entirety. <br /> www.BSKAssociates.com Page 11 of 18 <br />