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California Department of Toxic Substances Control HML Number-fo 020580 <br /> Hazardous Materials Laboratory <br /> Inorganic Section <br /> Quality Assurance Summary for ICP <br /> HML Soil QC Sample Method Calibration Verification Duplicate Spiked Sample HML No.: Matrix: <br /> Element Blank Standard Spike Results mg/kg Unspiked Spike % Recovery <br /> mg/kg mg/L Result Added <br /> found known % m /L found known % A: B: RPD {mg/kg) {mg/kg) A: B: <br /> As-Arsenic <1.00 9.84 10.0 98.4 <br /> Ba-Barium <0.1.00 9.29 10.0 92.9 <br /> Cu-Copper <1.00 8.97 10.0 89.7 <br /> Ni-Nickel <0.50 9.88 10.0 98.8 <br /> Pb-Lead <1.00 9.98 10.0 99.8 <br /> Se-Selenium <1.50 9.61 10.0 96.1 <br /> Zn-Zinc <1.00 10.0 10.0 100 <br /> HML Liquid QC Sample Reagent Inorganic Ventures Duplicate Spiked Sample HML No.: 020580 Matrix: Extract <br /> Blank Reference Standard Spike Results m /L Unspeked Spike % Recovery <br /> Element mg/kg mg/L <br /> p g Result Added <br /> found known % m /L found known % A: B: RPD {mg/L) (mg/L) A: B: <br /> As-Arsenic <0.10 0.97 1.00 97.0 113 115 1.75 <1.00 100 113 115 <br /> Ba-Barium <0.010 0.92 1.00 92.0 101 102 1.01 1.97 100 99.0 100 <br /> CU-Copper <0.10 0.89 1.00 89.0 100 101 1.00 <1.00 100 100 101 <br /> Ni-Nickel <0.05 0.95 1.00 95.0 111 112 0.93 3.67 100 107 108 <br /> Pb-Lead <0.10 0.97 1.00 97.0 1 107 108 0.93 <1.00 100 107 108 <br /> Se-Selenium <0.15 0.95 1.00 95.0 114 1 116 1.74 <1.50 100 114 116 <br /> Zn-Zinc <0.10 0.97 1.00 97.0 131 132 0.88 18.0 ,1100 _ 113 114 <br /> s ay, ✓ GurmaiI Sivia, PH Chemist lit, Specialist: !/ '2 Date; �`� <br /> 02 <br /> ICP Analyst's Signature: c4ca� + ¢ f .�_ y <br /> Chemist: Kashyap Thakore Chemist's Signature: f <br /> Date Analyzed: 01/13/03 <br />