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CbCurtis&Tompkins,Ltd. ' <br /> Batch QC Report t <br /> Dissolved Metals Analytical Report <br /> Lab #: 260200 Location: DVI-Burn Pit , <br /> Client: URS Corporation Prep: METHOD <br /> Project#: 17327022 Analysis: EPA 6020 ' <br /> Field ID: MW-25-BP Batch#: 215027 <br /> MSS Lab ID: 260200-006 Sampled: 08/25/14 <br /> Matrix: Filtrate Received: 08/25/14 <br /> Units: ug/L Prepared: 09/03/14 ' <br /> Diln Fac: 5.000 Analyzed: 09/03/14 <br /> Type: MS Lab ID: QC756048 <br /> Analyte MSS Result Spiked Result $REC Limits ' <br /> Arsenic 4.994 100.0 111.2 106 72-120 <br /> Barium 113.4 100.0 208.1 95 68-121 <br /> Cadmium 0.2365 100.0 95.80 96 71-120 ' <br /> Chromium 0.1440 100.0 101.7 102 72-120 <br /> Copper <1.236 100.0 97.95 98 63-120 <br /> Iron 24.12 10,000 10,840 108 66-123 <br /> Lead 0.1105 100.0 95.85 96 73-120 ' <br /> Magnesium 108,100 10,000 109,500 >LR 14 NM 54- <br /> Manganese 3,168 100.0 3,367 >LR 199 NM 68-120 <br /> Molybdenum 6.515 100.0 111.7 105 71-120 <br /> Nickel 2.060 100.0 101.3 99 65-120 ' <br /> Selenium 0.4070 100.0 106.6 106 70-120 <br /> Type: MSD Lab ID: QC756049 , <br /> Analyte Spiked Result %REC Limits RPD Lim ' <br /> Arsenic 100.0 102.3 97 72-120 8 29 <br /> Barium 100.0 198.2 85 6B-121 5 27 <br /> Cadmium 100.0 91.00 91 71-120 5 32 ' <br /> Chromium 100.0 90.95 91 72-120 11 23 <br /> Copper 100.0 87.85 88 63-120 11 31 <br /> Iron 10,000 9,715 97 66-123 11 35 <br /> Lead 100.0 89.30 89 73-120 7 23 ' <br /> Magnesium 10,000 105,900 >LR -23 NM 54-132 NC 34 <br /> Manganese 100.0 3,063 >LR -105 NM 68-120 NC 23 <br /> Molybdenum 100.0 104.6 98 71-120 7 30 t <br /> Nickel 100.0 90.45 88 65-120 11 35 <br /> Selenium 100.0 94.20 94 70-120 12 27 <br /> NC= Not Calculated ' <br /> NM= Not Meaningful: Sample concentration > 4X spike concentration <br /> >LR= Response exceeds instrument's linear range <br /> RPD= Relative Percent Difference ' <br /> Page 1 of 1 <br /> 29.0 <br /> 67 of 242 , <br />