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A8L1471 <br /> Ekiiiiiiiiiiiiili 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 RPID Limit Analyzed Qual <br /> EPA 6020-Quality Control <br /> Batch:A818640 Prepared: 12/13/2018 <br /> Prep Method:EPA 3050B Analyst: MAS <br /> Blank Spike Dup(A818640-BSD1) <br /> Nickel 100 13 mg/kg 100 ND 102 75-125 4 20 12/18/18 <br /> Selenium 98 2.5 mg/kg 100 ND 98 75-125 10 20 12/18/18 <br /> Silver 48 13 mg/kg 50 ND 96 75-125 4 20 12/18/18 <br /> Thallium 96 2.0 mg/kg 100 ND 96 75-125 6 20 12/18/18 <br /> Vanadium 100 13 mg/kg 100 ND 102 75-125 6 20 12/18/18 <br /> Zinc 96 63 mg/kg 100 ND 96 75-125 7 20 12/18/18 <br /> Matrix Spike(A818640-MS1),Source:A81-0671-01 <br /> Antimony 47 10 mg/kg 100 ND 47 75-125 12/18/18 MS1.0 Low <br /> Arsenic 100 2.5 mg/kg 100 ND 101 75-125 12/18/18 <br /> Barium 200 6.3 mg/kg 100 92 107 75-125 12/18/18 <br /> Beryllium 100 1.3 mg/kg 100 ND 102 75-125 12/18/18 <br /> Cadmium 98 1.3 mg/kg 100 ND 98 75-125 12/18/18 <br /> Chromium 120 13 mg/kg 100 20 101 75-125 12/18/18 <br /> Cobalt 110 13 mg/kg 100 ND 107 75-125 12/18/18 <br /> Copper 110 5.0 mg/kg 100 13 97 75-125 12/18/18 <br /> Lead 100 6.3 mg/kg 100 ND 99 75-125 12/18/18 <br /> Molybdenum 110 13 mg/kg 100 ND 106 75-125 12/18/18 <br /> Nickel 110 13 mg/kg 100 ND 103 75-125 12/18/18 <br /> Selenium 99 2.5 mg/kg 100 ND 99 75-125 12/18/18 <br /> Silver 47 13 mg/kg 50 ND 94 75-125 12/18/18 <br /> Thallium 96 2.0 mg/kg 100 ND 96 75-125 12/18/18 <br /> Vanadium 130 13 mg/kg 100 28 103 75-125 12/18/18 <br /> Zinc 130 63 mg/kg 100 ND 100 75-125 12/18/18 <br /> Matrix Spike Dup(A818640-MSD1),Source:A81-0671-01 <br /> Antimony 45 10 mg/kg 100 ND 45 75-125 4 20 12/18/18 MS1.0 Low <br /> Arsenic 100 2.5 mg/kg 100 ND 101 75-125 1 20 12/18/18 <br /> Barium 210 6.3 mg/kg 100 92 120 75-125 6 20 12/18/18 <br /> Beryllium 100 1.3 mg/kg 100 ND 104 75-125 2 20 12/18/18 <br /> Cadmium 100 1.3 mg/kg 100 ND 100 75-125 2 20 12/18/18 <br /> Chromium 130 13 mg/kg 100 20 106 75-125 4 20 12/18/18 <br /> Cobalt 110 13 mg/kg 100 ND 108 75-125 1 20 12/18/18 <br /> Copper 110 5.0 mg/kg 100 13 97 75-125 1 20 12/18/18 <br /> Lead 100 6.3 mg/kg 100 ND 100 75-125 1 20 12/18/18 <br /> Molybdenum 110 13 mg/kg 100 ND 107 75-125 1 20 12/18/18 <br /> Nickel 110 13 mg/kg 100 ND 103 75-125 1 20 12/18/18 <br /> Selenium 100 2.5 mg/kg 100 ND 101 75-125 2 20 12/18/18 <br /> Silver 48 13 mg/kg 50 ND 97 75-125 3 20 12/18/18 <br /> Thallium 96 2.0 mg/kg 100 ND 96 75-125 0 20 12/18/18 <br /> Vanadium 140 13 mg/kg 100 28 110 75-125 5 20 12/18/18 <br /> Zinc 140 63 mg/kg 100 ND 102 75-125 1 20 12/18/18 <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 6 of 18 <br />