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California Department of Toxic Substances Control <br />Hazardous Materials Laboratory <br />Inorganic Section <br />Quality Assurance Summary f®r ICP <br />HML Number: 960243 <br />to 960244 <br />Element <br />HML Soil QC Sample <br />mg/kg <br />Method <br />Blank <br />m /L <br />Calibration Verification <br />. Standard mg/L <br />Duplicate Spiked Sample <br />HML No.: <br />960243 <br />Matrix: SOIL <br />Spike Results mg/kg Unspiked <br />A: B: RPD Result <br />(mg/kg) <br />1 <br />Spike % Recovery <br />Added A. B. <br />(mg/kg) <br />found known % <br />found known % <br />As -Arsenic <br />64.5 <br />63.3 <br />102 <br /><0.10 <br />10.3 <br />10.0 <br />103 <br />508 <br />1 506 <br />0.41 1 <br />18.9 <br />500 <br />97.8 <br />97.4 <br />Ba -Barium <br />42.6 <br />44.7 <br />95.3 <br /><0.005 <br />10.1 <br />10.0 <br />101 <br />Low recoveries probabi <br />due to joreci itation of Barium as BaSO <br />Be -Beryllium <br />21.7 <br />21.5 <br />101 <br /><0.003 <br />2.03 <br />2.00 <br />102 <br />98.6 <br />98.2 <br />0.41 <br />0.47 <br />100 <br />98.1 <br />97.7 <br />Cd -Cadmium <br />26.3 <br />1 25.5 <br />103 <br /><0.009 <br />10.4 1 <br />10.0 <br />104 <br />453 <br />452 <br />0.23 <br />12.5 <br />500 <br />88.1 <br />87.9 <br />Co -Cobalt <br />20.9 <br />20.7 <br />101 <br /><0.05 <br />10.3 1 <br />10.0 <br />103 <br />458 <br />458 <br />0.00 <br />14.8 <br />500 <br />88.6 <br />88.6 <br />Cr -Chromium <br />53.7 <br />59.6 <br />90.1 <br /><0.08 <br />10.1 <br />10.0 <br />101 <br />531 <br />534 <br />0.69 <br />95.8 <br />500 <br />87.0 <br />87.6 <br />Cu -Copper <br />37.2 <br />37.7 <br />98.7 <br /><0.05 <br />10.2 <br />10.0 <br />102 <br />791 <br />792 <br />0.22 <br />328 <br />500 <br />92.6 <br />92.8 <br />Mo -Molybdenum <br />29.6 <br />30.3 1 <br />97.7 <br /><0.08 <br />10.2 <br />10.0 <br />102 <br />466 <br />466 <br />0.00 <br />11.3 <br />500 <br />90.9 <br />90.9 <br />Ni -Nickel <br />35.4 <br />35.4 <br />100 <br /><0.05 <br />10.4 <br />10.0 <br />104 <br />501 <br />502 <br />0.23 <br />58.4 <br />500 <br />88.5 <br />88.7 <br />Pb -lead <br />31.8 <br />31.0 <br />103 <br /><0.10 <br />10.3 <br />10.0 <br />103 <br />1047 <br />1037 <br />0.96 <br />601 <br />500 <br />109 <br />107 <br />Se -Selenium <br />76.1 <br />72.8 <br />104 <br /><0.15 <br />10.2 <br />10.0 <br />102 <br />565 <br />561 <br />0.00 <br />13.3 <br />500 <br />110 <br />110 <br />TI -Thallium <br />134 <br />125 <br />107 <br /><0.30 <br />10.3 <br />10.0 <br />103 <br />432 <br />426 <br />1.40 <br /><15.0 <br />500 <br />86.4 <br />85.2 <br />V -Vanadium <br />34.5 <br />40.9 1 <br />84.4 <br /><0.06 <br />9.98 <br />10.0 <br />99.8 <br />481 <br />480 <br />0.22 <br />30.9 <br />500 • <br />90.0 <br />89.8 <br />Zn -Zinc <br />46.2 <br />46.3 <br />99.8 <br /><0.05 <br />10.4 <br />10.0 <br />104 <br />978 <br />981 <br />0.63 <br />502 <br />500 <br />95.2 <br />95.8 <br />Element <br />HML Liquid QC Sample <br />mg/kg <br />Reagent <br />Blank <br />m /L <br />Inorganic Ventures <br />Reference Standard <br />mg/L <br />Duplicate Spiked Sample <br />HML No.: <br />960306 <br />Matrix: LIQUID <br />Spike Results mg/kg Unspiked Spike %Recovery <br />Result Added <br />A: B: RPD A. B. <br />(mg/kg) (mg/kg) <br />found known % <br />found known % <br />As -Arsenic <br />2.70 <br />3.01 <br />90.0 <br /><0.10 <br />1.06 <br />1.00 <br />106 <br />235 <br />229 <br />2.59 <br /><2.00 <br />250 <br />94.0 <br />91.6 <br />Ba -Barium <br />2.90 <br />3.01 <br />96.0 <br /><0.005 <br />1.00 <br />1.00 <br />100 <br />147 <br />244 <br />56.6 <br />24.2 <br />250 <br />49.1 <br />87.9 <br />Be -Be Ilium <br />0.80 <br />0.85 <br />94.0 <br /><0.003 <br />0.21 <br />0.20 <br />105 <br />46.2 <br />45.7 <br />1.09 <br /><0.05 <br />50.0 <br />92.4 <br />91.4 <br />Cd -Cadmium <br />2.30 <br />2.47 <br />93.0 <br /><0.009 <br />1.06 1 <br />1.00 <br />106 <br />232 <br />226 <br />2.64 <br />1.48 <br />250 <br />92.2 <br />89.8 <br />Co -Cobalt <br />2.30 <br />2.43 <br />95.0 <br /><0.05 <br />1.06 <br />1.00 <br />106 <br />229 <br />223 <br />2.65 <br />< 1.00 <br />250 <br />91.6 <br />89.2 <br />Cr -Chromium <br />5.10 <br />5.39 <br />95.0 <br /><0.08 <br />1.03 <br />1.00 <br />103 <br />231 <br />226 <br />2.23 <br />4.62 <br />250 <br />90.5 <br />88.5 <br />Cu -Co er <br />32.2 <br />29.0 <br />111 <br /><0.05 <br />1.04 <br />1.00 <br />104 <br />259 <br />261 <br />0.86 <br />28.3 <br />250 <br />92.3 <br />93.1 <br />Mo -Molybdenum <br />1.90 <br />1.97 <br />96.0 <br /><0.08 <br />1.02 <br />1.00 <br />102 <br />230 <br />225 <br />2.25 <br />5.21 <br />250 <br />89.9 <br />87.9 <br />Ni -Nickel <br />4.60 <br />4.96 <br />93.0 <br /><0.05 <br />1.06 <br />1.00 <br />106 <br />233 <br />227 <br />2.65 <br />3.20 <br />250 <br />91.9 <br />89.5 <br />Pb -Lead <br />9.40 <br />10.2 <br />92.0 <br /><0.10 <br />1.06 <br />1.00 <br />106 <br />267 <br />265 <br />0.92 <br />48.6 <br />250 <br />87.4 <br />86.6 <br />Se -Selenium <br />3.60 <br />3.47 <br />104 <br /><0.15 <br />1.05 <br />1.00 <br />105 <br />263 <br />258 <br />1.92 <br /><4.00 <br />250 <br />105 <br />103 <br />TI -Thallium <br />9.90 <br />10.1 <br />98.0 <br /><0.30 <br />1.03 <br />1.00 <br />103 <br />207 <br />204 <br />1.46 <br /><7.50 <br />250 <br />82.8 <br />81.6 <br />V -Vanadium <br />2.40 <br />2.49 <br />96.0 <br /><0.06 <br />1.01 <br />1.00 <br />101 <br />224 <br />218 <br />2.71 <br />< 1.25 <br />250 <br />89.6 <br />87.2 <br />Zn -Zinc <br />55.1 <br />57.1 <br />96.0 <br /><0.05 <br />1.06 <br />1.00 <br />106 <br />821 <br />879 <br />29.1 <br />65::1= <br />d50 <br />68.0 <br />91.2 <br />ICP Analyst's Signature: 00/ l j Milad S. Iskander, Supervisor: - Date: G <br />Chemist: Zaida R. Ilejay Chemist's Signaturi. <br />Date Analyzed: 09/26/96 (_I U <br />