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94563-1701 <br /> McCam bell Analytical Inc. 153lwipowPassRoad Piu262.'CA (923)252- <br /> r Toil Free Telephone:(877)252-9262;Fax:(925)252-9269 <br /> "When Qualih'Counts" hap, -www mccamphell.com-E-mad:nminyhellxorn <br /> Quality Control Report <br /> Client: Fremouw Environmental Services,Inc. WorkOrder: 1904D86 <br /> Date Prepared: 513119 BatchID: 177288 <br /> Date Analyzed: 5/4119 Extraction Method: E200.8 <br /> Instrument: ICP-MS1 Analytical Method: E200.8 <br /> Matrix: Water Unit: pg/L <br /> Project: 82535;B&C Painting Sample ID: MB/LCS/LCSD-177288 <br /> QC Report for Metals (>1% Sediment Content) <br /> Analyte LCS LCSD SPK LCS LCSD LCSILCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Antimony 250 260 250 100 103 85-115 237 20 <br /> Arr4rk 260 260 250 102 104 85-115 2.21 20 <br /> Barium 2600 2700 2500 105 107 85-115 180 20 <br /> Beryllium 250 260 250 102 104 85-115 2.08 _20 <br /> Cadmium 254 260 250 100 103 85-115 _2.76 20 <br /> Chromium 250 260 250 101 104 85-115 3.09 20 <br /> Cobalt 250 250 250 99 100 85-115 1.75 20 <br /> Copper 250 260 250 101 104 85-115 2.30 20 <br /> Lead 240 250 250 96 100 85-115 3,66 20 <br /> Mercury 5.9 6.1 6.25 94 98 85-115 4.01 20 <br /> Molybdenum 240 250 250 97 101 85-115 3.60 20 <br /> Nickel 250 260 250 101 105 85.115 3.56 20 <br /> Selenium 250 260 250 101 105 85-115 3.58 20 <br /> Silver 250 250 250 101 100 85-115 0.794 20 <br /> Thallium 250 270 250 99 107 85-115 7.05 20 <br /> Vanadium 260 260 250 _ __ 102 103 85-115 1.25 20 <br /> Zinc 2500 2600 2500 101 104 85-115 3.21 20 <br /> Surrogate Recovery <br /> Terbium 26M 2500 2500 99 102 70-130 2.69 20 <br /> Page 8 of 14 <br />