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1534 Willow Pass Rosd,Pittsburg,CA 94565-1701 <br /> Toll Free Telephone:(877)252-9262/Far-(925)252-9269 <br /> ``ki ' ' �¢vir✓j2C� €B!@d8 v ®S6L2&S vv http://mvw.mccampbeH.com/E-mail:main@mceampbell.com <br /> uafity Contr oR Report <br /> Client: Castle Analytical Laboratory W®rkOrder. 1903D34 <br /> Date Prepared. 3/27/19 BatchID- 175294 <br /> Date Analyzed- 3/27/19 Extraction Method: E200.8 <br /> Instrument- ICP-NISI Analytical Method. E200.8 <br /> Matrix. Water unniits µg/L <br /> Project: 1903101;Premier Finishing sample ID:e YIB/LCS/LCSD-175294 <br /> QC Report for Metals(>I% Sediment Content) <br /> Analyte LCS LCSB SPEC LCs LCSD LCSILCSD RP® RP® <br /> Result Result Val %REC %REC Limits Limit <br /> Antimony 240 250 250 97 99 85-115 1.74 20 <br /> Arsenic 230 240 250 93 96 85-115 .2.64 20 <br /> Barium 2500 2500 2500 100 100 85-115 0 20 <br /> Beryllium 240 240 250 96 98 85-115 1.24 20 <br /> Cadmium 240 250 250 97 98 85-115 1.31 20 <br /> Chromium 250 250 250 99 99 85-115 0 • 20 <br /> Cobalt 250 260 250 101 102 85-115 1.64 20 <br /> Copper 240 240 250 97 98 85-115 0.841 20 <br /> Lead 240 240. 250 96 97 85-115 1.08 20 <br /> Mercury 6.0 6.0 6.25 96 95 85-115 0.335 20 <br /> Molybdenum 230 240 250 92 94 85-115 2.21 20 <br /> Nickel 240 240 250 96 97 85-115 1.24 20 <br /> Selenium 240 240 250 97 97 85-115 0 20 <br /> Silver 220 220 250 87 89 85-115 1.48 20 <br /> Thallium 240 240 250 95 97 85-115 1,52 20 <br /> Vanadium 250 250 250 98 99 85-115 1.26 20 <br /> Zinc 2400 2500 2500 97 98 85-115 1.54 20 <br /> Surrogate Recovery <br /> Terbium 2300 2300 2500 92 94 70-130 2.13 20 <br /> i <br /> page 1 1 of 20 <br />