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McCampbell Analytical, Inc. base, \ Af "When Quality Counts" <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccampbell.com / E-mail: main@mceampbell.com <br />Quality Control Report <br />Client: Castle Analytical Laboratory WorkOrder: 2007D44 <br />Date Prepared: 07/28/2020 BatchID: 202653 <br />Date Analyzed: 07/29/2020 Extraction Method: E200.8 <br />Instrument: ICP-MS5 Analytical Method: E200.8 <br />Matrix: Water Unit: liel- <br />Project: 2007093/ Mizkan DRT 3297 / DRT 1026 Sample ID: MB/LCS/LCSD-202653 <br />2007D44-001EMS/MSD <br />QC Report for Metals (>1% Sediment Content) <br />Analyte LCS <br />Result <br />LCSD <br />Result <br />SPK <br />Val <br />LCS <br />%REC <br />LCSD <br />%REC <br />LCS/LCSD <br />Limits <br />RPD RPD <br />Limit <br />Arsenic 213 219 250 85 88 85-115 2.85 20 <br />Cadmium 230 235 250 92 94 85-115 2.30 20 <br />Chromium 228 236 250 91 94 85-115 3.45 20 <br />Copper 221 225 250 88 90 85-115 1.65 20 <br />Lead 230 235 250 92 94 85-115 2.08 20 <br />Mercury 5.83 5.96 6.25 93 95 85-115 2.21 20 <br />Nickel 219 222 250 88 89 85-115 1.18 20 <br />Silver 230 237 250 92 95 85-115 2.90 20 <br />Zinc 2160 2230 2500 86 89 85-115 2.95 20 <br />Surrogate Recovery <br />Terbium 2710 2770 2500 108 111 70-130 2.23 20 <br />Analyte MS <br />DF <br />MS <br />Result <br />MSD <br />Result <br />SPK <br />Val <br />SPKRef <br />Val <br />MS <br />%REC <br />MSD <br />%REC <br />MS/MSD <br />Limits <br />RPD RPD <br />Limit <br />Arsenic 1 1210 1110 1250 31.43 94 86 85-115 8.22 20 <br />Cadmium 1 1300 1210 1250 27.38 102 94 85-115 7.28 20 <br />Chromium 1 1800 1730 1250 566.4 98 93 85-115 3.75 20 <br />Copper 1 1840 1770 1250 677.8 93 87 85-115 3.68 20 <br />Lead 1 2250 2170 1250 953.2 104 97 85-115 3.79 20 <br />Mercury 1 31.4 32.5 31.25 1.750 95 98 85-115 3.21 20 <br />Nickel 1 1640 1540 1250 430.4 97 89 85-115 6.78 20 <br />Silver 1 1280 1190 1250 ND<12 103 95 85-115 8.01 20 <br />Zinc 1 22,300 21,400 12500 10,560 94 87 85-115 3.72 20 <br />Surrogate Recovery <br />Terbium 1 13,200 13,700 12500 106 109 70-130 3.14 20 <br />Analyte DLT <br />Result <br />DLTRef <br />Val <br />%D %D <br />Limit <br />Arsenic ND<62.0 31.43 <br />Cadmium ND<62.0 27.38 <br />Chromium 575 566.4 1.52 20 <br />Copper 702 677.8 3.57 20 <br />Lead 976 953.2 2.39 20 <br />Mercury ND<6.20 1.750 <br />(Cont.) <br />CA ELAP 1644 • NELAP 40330RELAP <br />Page 24 of 30