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California Department of Toxic Substances Control HML Number: 010718 -M Hazardous Materials Laboratory to 010720 a Inorganic Section r--9 Quality Assurance Summary for lCP UP cN HML Sall OC Sample Method calibration Verification Dupllcafe Spiked Semple HML No.: 0 1071 B Matrix: SIOIL Rtv Element Blank Standard m mgll�q mg1L Spike Results mglkg Unspiked Spike % Recovery NN }ound known % Result Added m iL found known % A: B: RPD Imglkgl imglkgl A: 8: V N As-Arsenic 58.2 63.3 91.9 <0.10 10,4 10.0 104 419 417 0.49 8.20 500 82.2 81.8 -5cli Ba Barium 53.2 44.7 119 0.02 9.85 10.0 98.5 625 813 3.73 235 500 78.0 75.6 0 Be-Beryllium 18.8 23.5 87.4 <0.005 2.00 2,00 i0D 84.0 83.7 0.36 '..03 100 83.0 82.7 Cd-Cadmrum 24.3 25.5 95.3 <0.010 10.5 10.0 105 405 405 0.00 <0.50 500 81,0 81,0 Co-Cobalt 21.3 20.7 103 <0.05 10.3 10.0 iO3 442 441 0.25 40.8 500 60.2 80.0 D Cr-Chromium 63.0 59.6 106 <0.08 10.1 10.0 701 428 425 0.76 32.0 500 79.2 78-6 Cu-Copper 42.5 37.7 113 <0-10 9.50 10.0 95.0 474 473 D.25 8D.6 500 76.7 78.5 lrm Mo-Ma hdenum 30.4 30.3 100 <0.10 K04 10.0 103 387 386 0.26 <5.00 500 77.4 77.2 '�D Ni-Nickel 3fi.0 35.4 702 <0.05 To-0 105 452 460 0.50 5i.9 500 80.0 79.6 3N Pb-Lead 31.3 31.0 101 <0.10 10.0 105 420 419 0.25 16.0 500 80.8 80.6 n Se-Selenium 62.5 72.8 85.9 <0.15 10.0 103 395 399 1.01 <7.50 500 79.0 79.8 TI-Thallium 104 125 83.2 <0.20 10.0 104 407 409 0.49 <70.0 500 81.4 87.B = E V-Vanadium 43.7 40.9 107 <0.06 10.0 97.6 429 420 2.44 56.2 500 74.672.8 Zn•Zinc 55.5 46.3 120 <0.70 10.0 105 522 1 518 0.98 110 5D0 82.4 a1.6 HML Liquid OC Sample Reagent inorganic Ventures Duplicate Spiked Sample HML No-: 010451 Matrix: LIQUID Efement Wank Reference Standard mglkg Riga Spike Results mg/kg Unspiked I Spike % Recovery found known % Result Added mall- found known % A: B: RPD fmglkg) (mg/kg) A: B: As-Arsenic 2.442.63 92.8 <0.10 1.06 1.00 106 83.0 a7.8 5.62 <1.00 _ 100 83.0 a7.8 - Ba-Barium 8.33 9.92 84.0 <0.0f0 3.04 1.00 104 83.4 86.4 3.73 4.42 100 79.0 82.0 Be-Be Ilium 2.44 2.97 82.2 <0.005 0.20 0.20 too 17.0 17.8 4.62 0.08 20.0 84.6 88.6 to Cd-Cadmium 2.94 3.10 94.8 <0.010 1.07 3.00 107 84.2 89.5 6.24 1.89 100 82.3 B7.6 Co-Cobalt 2A8 2.66 93.2 <0.05 1.06 1.00 106 82.6 87.1 5.30 <0.50 too 82.6 87,1 N 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 a4.9 4 cu-copper 55.0 66.1 63.2 <0.100.99 1-00 99.0 100 107 8.17 17.8 100 82.2 89.2 0 Mo-Molybdenum 5.74 6.36 90.3 <0.10 1.06 1.00 106 82.5 87.2 5.54 <1.00 100 82.5 87.2 N z Ni-Nickel 10.2 17.7 87.2 <0.05 1.08 1.00 108 84,0 88.6 5.41 1.23 100 62.8 87.4 '-' o Ph-Lead 5.89 6.i8 95.3 <0.10 1.07 1.00 107 84,388.5 4.96 1.76 100 82.5 86.7 N m Se-Sefenfum 12.4 14.1 87.9 <0.15 1.04 1.00 104 86.6 90.5 5.57 <1.60 100 65-6 90.5 TI-Thallium 29.4 34.6 85.2 <0.20 1.08 1.OD 108 79.2 84.8 6.83 1 <2.00 1 100 79.2 84.8 ll V-Vanadium 2.16 2.33 92.7 <0.06 0.99 7.00 99.0 84.5 88.0 4.33 1 5.48 100 79.0 82.5 v Zn-2inc 21.3 24.4 87.3 <0.10 1.15 1.00 115 1 415 423 7, 318 100 97.0 105 03 ICP Analyst's Signature: Milad S. tskarider, Supervisor Date: Chemistr Zelda R. llejae emist's ignature: Q2 Date Analyzed: 02/14/02 - J