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OCT-24-2000 1410 •DTSC CROYDON OFFICE 0 916 255 3696 P.02iO3 <br /> California Department of Toxic Substances Control HML No.: 900413 <br /> Hazardous Materials Laboratory To: 000417 <br /> lnorgenir,Section <br /> Quality Assurance Summary <br /> ICPAES <br /> Elements Arsenic As Chromium C Cu <br /> Initial Refence Standard Found 0.86 1.03 1 3 <br /> Calibration mg/L Known 1.00 1.00 0 <br /> Verification Spex % Recovery 86.0 103 0 <br /> Lotg, 1-48BR Found 8,94 10.5 - 0 <br /> Exp'date: 8/01 Known Ion 10.0 D <br /> % Recovery 89 105 D <br /> Reagent Blank <0.100 <0.080 DO <br /> Continuing Spex Found 88.7 99.5 2 <br /> Calibration mg/L Known 100 100 <br /> eriticatlon % Recovery 88.7 99.5 2 <br /> Method Blank <0.100 <0-080 00 <br /> Duplicate HML No.: 000417 Spike Result A 389 491 3 <br /> Spike Spike Result 8 384 485 3 <br /> Results Sample type: soil Uns Ike Result <5.00 37.1 5 <br /> Spike Added: 500 500 3 <br /> % Rncavea A 77.8 90.6 7 <br /> % Recovery B 76.8 89.6 7 <br /> RPD 1.30 1.33 0 <br /> Duality HML Soil Found 53.0 58,7 9 <br /> Control Samp. mg/kg Known 63-3 59.8 7 <br /> % Recovery 53.7 98.5 8 <br /> i �60 <br /> Fatima Hussain, Analyst Milad S.Iskander.it6pervIsor 1 <br /> to a,3/oa <br /> to I <br /> ZO® bH/X(FV T DHE Md OV XH39 Ionil CT9Cn5Cn14 VVJ C7-a <br />