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�0• • 8193triker Ave Stet <br />5834 <br />Seuoia Sac��g(916)9219 <br />at'9600 <br />"L+ `! FAX (916) 921-0100 <br />Analytical wwwsemmmlabsxom <br />Central valley Waste Services Pmject:Wasb Pad Sludge _ . 5504556 <br />P. 0. Box_241001 - -__. _-.PojeetNamber:[none]:----.--. - __-Reportmi: _-- <br />Lodi CA, 95241 Project Manager.C. Kennedy 05/06/05 10:22 <br />Total Metals by EPA 6000/7000 Series Methods - Quality Control <br />Sequoia Analytical - Morgan Hill <br />Reporting Spike Source %REC RPD <br />Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />Batch 5EO2025 " EPA 3050B / EPA 6010B <br />Blank(5E02025-BLK1) <br />Prepared: 05/02/05 Analyzed: 05/03/05 <br />Thallium <br />ND <br />5.0 <br />mghg <br />zinc <br />ND <br />5.fi <br />Selenium <br />19D <br />10 <br />" <br />Antimony <br />ND. <br />5.0 <br />" <br />Lead <br />ND <br />5.0 <br />" <br />Nickel <br />ND <br />S0 <br />« <br />Copper <br />ND <br />4.0 <br />" <br />Cbromium <br />ND <br />5.0. <br />" <br />Cadmium <br />ND <br />0.20 <br />" <br />Arsenic <br />ND <br />5.0 <br />" <br />Silver <br />ND <br />0.50 <br />" <br />Laboratory Control Sample(5E02025-BS1) <br />Prepared: 05/02/05 Analyzed: 05/03/05 <br />selenium <br />47.1 <br />i0 <br />mg/kg 50.0 94 80-110 <br />Lead <br />46.1 <br />5.0 <br />50.0 96 75-120 <br />Nickel <br />51.6 <br />5.0 <br />50.0 103 94445 <br />Copper <br />46.7 <br />4.0 <br />50:0- 93 85-110 <br />Chromium <br />48.9 <br />5.0 <br />50.0 98 85-110 <br />Cadmium <br />46.9 <br />020 <br />50.0 94 80-110 <br />Arsenic <br />46.1 <br />50 <br />50.0 92 80-110 <br />Zinc <br />47.4 <br />5.0 <br />50-.0 96 80-115 <br />Thallium <br />46.6 <br />5A <br />50.0 93 75-115 <br />Silver <br />47.1 <br />0.50 <br />50.0 94 80410 <br />47.6 <br />5.0 <br />50.0 95 80-115 <br />Antimony <br />Matrix Spike (5E02025-MS1) Source: MOD0564-01 <br />Prepared: 05/02/05 Analyzed: 05/03/05 <br />SBver <br />45.4 <br />0.50 <br />mg/kg 50.0 0.18 90, 80-110 <br />Zinc <br />122 <br />5.0 <br />P50.0 76 92 80-115 <br />Thaiiium <br />41.9 <br />5.0 <br />50.0 ND 84 75-115 <br />492 <br />10 <br />50.0 2.9 93 80-110 <br />Selenium <br />20.0. <br />5.0 <br />50.0 1.5 37 80-115 QM02 <br />Antimony <br />Lead <br />60.8 <br />5.0 <br />50.0 16 90 75-120 <br />Nickel <br />97.8 <br />5.0 <br />" Soo 51 94 80-115 <br />Copper <br />65.3 <br />4.0 <br />50.0 20 91 85-110 <br />79.0 <br />5.0 <br />50.0 33 92 85-110 <br />Chromium <br />45.3 <br />'0.20 <br />5010 0.38 90 80-110 <br />Cadmium <br />52.2 <br />5.0 <br />50.0 6.7 91 80-110 <br />Arsenic <br />Sequoia Analytical - Sacramento <br />The results in this report apply to the samples analyzed In aeeordanee with the chain of <br />canody document. Unless otherwise slated ramths are reported on a wet weigbf bAsm <br />chis analytical report mast be reproduced in its endrey. <br />Page 4 of 6 <br />