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California Department of Toxic Substances Control HML {Number: 010450 Hazardous Materials Laboratory m Inorganic Section to 010454 or.m Quality Assurance Summary for ICP HML Solt DC SampCP le Method Calibration Verification Duplicate Spiked Sample HML Na.. 010718 Matrix: SIOIL NN Blank Standard m Element m !k 9 tL Spike Results m 1k Uns iked Spike % Recovery 9 M53.2443 % Result Added m fL found known % A: B: RPD (mglkg) irnglkgl A: 8: UN Aa,Arsenic 91.9 <0.10 10.4 10.0 104 419 417 0.49 8.20 Soo 82.2 81.8 'a LL) a-Barium 119 0.02 9.85 1D.0 98.5 625 613 3.13 235 500 78.0 75.6 a Be-Be It* 67.4 <0.005 2.00 2.00 100 84.0 83.7 0.36 7.03 }DD 83.0 62.7 CdCadmium 24.3 25.5 95.3 <0.010 10.5 10.0 i05 405 405 0.00 <0,50 500 81.0 61.0 11 CoCobalt 21.3 20.7 103 <0.05 10.3 10.0 103 442 441 0.25 40.8 500 80.2 BOA ( Cn GLhrn 63.0 59-6 106 <0.08 10.1 10.0 101 428 425 0.76 32.0 500 79.2 78.6 r M CuCo er 42.5 37-7 113 <0.10 9.50 10.0 95.0 474 473 0.25 80.5 500 78.7 78.5 m D Mo-Molybdenum, 30A 30.3 100 <0.10 10.3 10.0 103 387 386 0.26 <5.00 500 77.4 77.2 Ztj Ni-Nickel 36.0 35.4 102 <0.05 10.5 10.0 105 452 450 0.50 51.9 500 80.0 79.6 3N r� -Lead 31.3 37.0 101 <O.iO i0-5 i0.0 106 920 419 0-25 16.0 500 80.8 80.6 Se-Selenium 62.5 72.8 85.9 <0.15 10.3 10.0 103 395 399 1-D1 <7.50 500 79.0 79.8 � TI-Thallium 104 125 83.2 <0.20 10.4 10.0 104 407 409 0.49 <10.0 500 81.4 81.8 E V-Vanadium 43.7 40.9 107 <0.06 9,76 10.0 97.6 429 420 2.44 56.2 5170 74.6 72.8 a v Zn-Zinc 55.5 46.3 720 <0.10 10.5 10.0 105 522 1 516 1 0.98 110 500 82.4 S7.6 HML Liquid OC Sample Reagent Inorganic Ventures Duplicate Spiked Sample HML No.; 010451 Matrix: LIQUID Element Blank Reference Standard mg/kg mg1L Spike Results mglkg Unspiked Spike % Recovery I known % Result Added m found known % A: B: RPD (mglkg) (mglkgl A; B; As-Arsenic 2.44 2.63 92.8 <0.10 1.06 1.00 106 83.0 87-8 5.62 <1.00 100 83.0 87.8 Ba-Barium 8.33 9.92 84.0 <0.010 1.04 1-00 104 63.4 86.4 3.73 4.42 100 79.0 82.0 Be-Beryllium 2.44 2.97 82.2 <0,005 0.20 0.20 100 17,0 17.8 4.62 0.08 20.0 a4-6 88.6 N Cd-Cadmium 2.94 3.10 94.8 <0.010 1.07 1.00 107 84.2 89.5 6.24 1.89 100 82.3 87.6 ( u COCcball 2.48 2.66 93.2 <0.05 1.06 1.00 106 82.6 87.1 5.30 <0.5D 100 82.6 87.1 M Cr-Chromium 12.9 15.0 86.0 <0.08 1.04 1.00 104 88.8 92.5 4.46 7.58 100 81-2 1 84.9 O CuCo r 55.0 66.1 83.2 <0.10 0.99 1.00 99.0 100 107 6.17 17.8 100 82.2 89.2 1 Mo-Molybdenum 5.74 6.36 90.3 <0.10 1.06 1.00 1 106 82,5 87.2 5.54 <1.00 100 82.5 87.2 Mz Ni-Nickel 10.2 11.7 87.2 <0.05 1.08 1.00 108 84.0 e8.65.41 1.23 100 82.8 87.4 �O Nm Pb-Lead 5.89 6.18 95.3 <0.10 1.07 1.00 107 84,3 88.5 4.96 1.76 100 82.5 86,7 Sa-Selenium 12A 14.1 87.9 <0.15 1.04 1.00 104 85.6 90.5 5.57 <1.50 I 100 85.6 90.5 W TI-Thallium 29A 34.5 85.2 <0-20 1.C8 1.00 108 79.2 84.8 6.83 <2.00 10D 79.2 84.8 V-Vanadium 2-16 2.33 92-7 <0.08 0.99 1.00 99.0 84.5 88.0 4.33 5.46 100 79.0 82.5 Zn-2inc 21.3 24.4 87.3 <0.10 }.95 1.00 135 1 u 415 423 18 100 91.0 105 N CCP Analyst's Signature: oCv Q Milad S. Iskander, Svpervis Date:_ - Chemist: Zelda Signature: lelay Cham shi re: .c, Date Analyzed: 02/14/02