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1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br /> MC ( <br /> ampbell Anal tical Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br /> = c " When Quality Counts " hnp✓hv^vw.mccampbell,=n / E-mail: main@mccampbell.com <br /> Quality Control Report <br /> Client : Castle Analytical Laboratory WorkOrder: 1901308 <br /> Date Prepared : 1 /8/19 BatchID : 171078 <br /> Date Analyzed : 1 /8/ 19 Extraction Method : E200 . 8 <br /> Instrument: ICP-MS3 Analytical Method : E200 .8 <br /> Matrix : Water Unit: Rg/L <br /> Project: 1901020 ; Value Products Sample ID : MB/LCS/LCSD471078 <br /> QC Summary Report for Metals <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Antimony 57 55 50 114 111 85-115 2 .64 20 <br /> Arsenic 53 52 50 107 105 85-115 2.02 20 <br /> Barium 550 530 500 109 106 85-115 3.02 20 <br /> Beryllium 54 53 50 107 105 85-115 2 . 18 20 <br /> Cadmium 53 52 50 106 104 85-115 2 . 17 20 <br /> Chromium 53 52 50 107 104 85-115 2 .70 20 <br /> Cobalt 52 50 u 50 104 101 85-115 2 .68 20 <br /> Copper 54 52 50 108 105 85-115 3. 19 20 <br /> Lead 53 52 50 106 103 85-115 2 .83 20 <br /> Mercury 1 . 3 1 .2 1 ,25 103 100 85-115 3.62 20 <br /> Molybdenum 50 49 50 101 99 85-115 2.07 20 <br /> Nickel 54 53 50 108 106 85-115 1 . 90 20 <br /> Selenium 54 53 50 109 106 85-115 3.00 20 <br /> Silver 52 50 50 104 101 85-115 2.74 20 <br /> Thallium �i 53 52 50 107 103 85-115 3.35 20 <br /> Vanadium 53 52 50 106 103 85-115 2 .65 20 <br /> Zinc 540 530 500 108 106 85-115 2 .67 20 <br /> Surrogate Recovery <br /> Terbium 520 510 500 105 102 70-130 2. 63 20 <br /> CA ELAP 1644 • NELAP 4033ORELAP <br /> Page 7 of 12 <br />