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California Department of Toxic Substances Control HML Number: 960767 <br /> Hazardous Materials Laboratory to 960768 <br /> Inorganic Section <br /> Quality Assurance Summary for ICP <br /> HML Soil DC Sample Method Calibration Verification Duplicate Spiked Sample HML No.: Matrix: SOIL <br /> Blank Standard Spike Results mg/kg Unspiked Spike % Recovery <br /> 4-C <br /> mg/kg mq/L <br /> Result Added <br /> found known % m /L found known % A: B: RPD (mg/kg) (mg/kg) A: B: <br /> um 9.82 10.0 98.2 <br /> ium 9.80 10.0 98.0 <br /> r 10.4 10.0 104 <br /> Ni-Nickel 10.0 10.0 100 <br /> Zn-Zinc 10.0 10.0 100 <br /> I HML Liquid DC Sample Reagent Inorganic Ventures Duplicate Spiked Sample HML No.: 960767 Matrix: LIQUID <br /> Blank Reference Standard <br /> Element Spike Results mg/kg Unspiked Spike % Recovery <br /> mg/kg rng/L Result Added <br /> found known % moll- found known % A: B: RPD (mg/kg) (mg/kg) A: 8: <br /> Cd-Cadmium <0.004 1.01 1.00 101 41.7 42.1 1.98 1.50 40.0 100 1 102 <br /> Cr-Chromium <0.03 1.01 1.00 101 207 206 2.67 169 40.0 95.0 1 92.5 <br /> Cu-Copper <0.010 1.02 1.00 102 69.5 69.9 1.03 30.7 40.0 97.0 98.0 <br /> Ni-Nickel <0.03 1.02 1.00 102 124 124 0.00 84.8 40.0 98.0 98.0 <br /> Zn-Zinc <0.015 1.02 1.00 102 1053 1051 6.37 921 40.%j80.0 75.0 <br /> ICP Analyst's Signature. )'..,, .i -Cc- �✓ Milad S. Iskander, Supervisor: Date: <br /> Chemist: Atif R. KozoChemist ignature:_ <br /> Date Analyzed: 01/07/97 <br />