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13 P ITIVE 781 East Washington Blvd., Las Angeles, CA 90021 <br /> IMFLAB SERVICE VICE [213J 7A5-5312 FAX(213) 745-6372 <br /> Certificate of Analysis Page 19 of 21 <br /> File#:73101 <br /> Smith Emery Company GeoService [SF] Report Date: 04/18/19 <br /> 1940 Oakdale Avenue Submitted: 04/11/19 <br /> San Francisco,CA 94124 PLS Report No.: 1904116 <br /> Attn: Mr. Patrick Morrison Phone: (800)675-8886 FAX:(415) 642-7055 <br /> Project: Seton Pacific RWC-MUUD-PHASE 1 /71519-3 <br /> Quality Control Data <br /> Spike Source7 6REG RPD ' . <br /> Analyte Result PQL ; Units Lever Result °IoREC` Limits RFD _ `Limit" Qualifier'. <br /> Batch BD91208-EPA 3050W'--' <br /> Nickel ND 1.00 mg/kg <br /> Selenium ND 2.00 mg/kg <br /> Silver ND 1.00 mg/kg <br /> Thaillum ND 2.00 mg/kg <br /> Vanadium ND 1.00 mg/kg <br /> Zinc ND 5.00 mg/kg <br /> LCS Prepared&Analyzed:04/12/19 <br /> Antimony 47.7 2.00 mg/kg 49.78 95.8 60-140 <br /> Arsenic 47.2 2.00 mg/kg 49.68 95.0 80-120 <br /> Barium 199 1.00 mg/kg 199.7 99.7 80-120 <br /> Beryllium 4.67 1.00 mg/kg 5.000 93.5 80-120 <br /> Cadmium 5.06 1.00 mg/kg 4.990 101 80-120 <br /> Chromium 20.3 1.00 mg/kg 20.03 102 80-120 <br /> Cobalt 50.3 1.00 mg/kg 50.40 99.9 80-120 <br /> Copper 24.7 1.00 mg/kg 24.69 100 80-120 <br /> Lead 51.3 1.00 mg/kg 49.85 103 80-120 <br /> Molybdenum 47.0 1.00 mg/kg 49.77 94.4 80-120 <br /> Nickel 51.8 1.00 mg/kg 49.88 104 80-120 <br /> Selenium 46.0 2.00 mg/kg 49.22 93.4 80-120 <br /> Silver 5.02 1.00 mg/kg 4.960 101 80-120 <br /> Thallium 49.9 2.00 mg/kg 49.88 100 80-120 <br /> Vanadium 47.1 1.00 mg/kg 50.00 94.2 80-120 <br /> Zinc 48.8 5.00 mg/kg 50.00 97.6 80-120 <br /> Matrix Spike Source.1904125-01 Prepared&Analyzed:04/12/19 <br /> Antimony 46.4 2.00 mg/kg 49.78 1.03 91.1 60-140 <br /> Arsenic 48.5 2.00 mg/kg 49.68 2.63 92.4 75-125 <br /> Barium 303 1.00 mg/kg 199.7 108 97.5 75-125 <br /> Beryllium 5.20 1.00 mg/kg 5.000 0.561 92.9 75-125 <br /> Cadmium 7.10 1.00 mg/kg 4.990 2.13 99.7 75-125 <br /> Chromium 31.2 1.00 mg/kg 20.03 10.9 101 75-125 <br /> Cobalt 55.6 1.00 mg/kg 50.40 6.97 96.4 75-125 <br /> Copper 44.0 1.00 mg/kg 24.69 18.5 104 75-125 <br /> Lead 119 1.00 mg/kg 49.85 67.5 104 75-125 <br /> Molybdenum 45.3 1.00 mg/kg 49.77 0.483 90.1 75-125 <br /> Nickel 60.8 1.00 mg/kg 49.88 10.2 101 75-125 <br /> Selenium 45.8 2.00 mg/kg 49.22 No 93.0 75-125 <br /> Silver 4.64 1.00 mg/kg 4.960 No 93.6 75-125 <br /> Thallium 43.9 2.00 mg/kg 49.88 ND 88.1 75-125 <br /> Vanadium 77.3 1.00 mg/kg 50.00 28.3 98.0 75-125 <br />