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e �.L®la � 1455 McDowell Blvd. North, Ste. D <br />Petaluma, CA 94954- <br />ID(707)792-1,865 <br />FAX (707) 792-0342 <br />�TAnalytical www.sequoialabs.com <br />Cambria Environmental Project: Equiva I Od <br />270 Perkins St. Project Number: 880 Victor Rd. Lodi, Ca Reported: <br />Sonoma CA, 95476 Project Manager. Aubrey Cool 12/29/00 10:17 <br />Total Metals by EPA 6000/7000 Series Methods - Quality Control <br />Sequoia Analytical - Petaluma <br />Reporting Spike Source "/.REC RPD <br />Analyte Result Limit Units Level Result %REC limits RPD Limit Notes <br />Batch 0110673 - EPA 3050B <br />Matrix Spike (0110673 -MSI) <br />Source: P011656-05 <br />Prepared: 12/05/00 Analyzed: 12/08/00 <br />Antimony <br />21.0 <br />4.92 mg/kg <br />41.0 <br />ND <br />51.2 <br />75-125 <br />QM -07 <br />Arsenic <br />42.5 <br />8.20 <br />41.0 <br />ND <br />104 <br />75-125 <br />Barium <br />191 <br />0.820 <br />41.0 <br />160 <br />75.6 <br />75-125 <br />Beryllium <br />4.10 <br />0.0820 <br />4.10 <br />0.254 <br />93.8 <br />75-125 <br />Cadmium <br />3.95 <br />0.820 <br />4.10 <br />ND <br />96.3 <br />75-125 <br />Chromium <br />53.7 <br />0.820 <br />41.0 <br />14.7 <br />95.1 <br />75-125 <br />Cobalt <br />43.4 <br />0.574 <br />41.0 <br />5.97 <br />91.3 <br />75-125 <br />Copper <br />65.6 <br />0.820 " <br />41.0 <br />27.7 <br />92.4 <br />75-125 <br />Lead <br />64.5 <br />6.15 <br />41.0 <br />29.8 <br />84.6 <br />75-125 <br />Molybdenum <br />38.3 <br />1.64 <br />41.0 <br />ND <br />90.6 <br />75-125 <br />Nickel <br />48.8 <br />2.46 <br />41.0 <br />15.5 <br />81.2 <br />75-125 <br />Selenium <br />38.9 <br />8.20 <br />41.0 <br />ND <br />83.3 <br />75-125 <br />Silver <br />3.40 <br />0.574 <br />4.10 <br />ND <br />82.9 <br />75-125 <br />Thallium <br />38.9 <br />8.20 <br />41.0 <br />ND <br />89.3 <br />75-125 <br />Vanadium <br />77.4 <br />0.820 <br />41.0 <br />37.2 <br />98.0 <br />75-125 <br />Zinc <br />117 <br />1.64 <br />41.0 <br />87.0 <br />73.2 <br />75-125 <br />QM -07 <br />Matrix Spike Dup (0110673-MSD1) <br />Source: P011656-05 <br />Prepared: <br />12/05/00 <br />Analyzed: 12/08/00 <br />Antimony <br />20.2 <br />4.55 mg/kg <br />37.9 <br />ND <br />53.3 <br />75-125 <br />3.88 <br />20 <br />QM -07 <br />Arsenic <br />39.7 <br />7.58 <br />37.9 <br />ND <br />105 <br />75-125 <br />6.81 <br />20 <br />Barium <br />268 <br />0.758 <br />37.9 <br />160 <br />285 <br />75-125 <br />33.6 <br />20 <br />QM-07,QR-0 <br />3 <br />Beryllium <br />3.93 <br />0.0758 <br />3.79 <br />0.254 <br />97.0 <br />75-125 <br />4.23 <br />20 <br />Cadmium <br />3.89 <br />0.758 <br />3.79 <br />ND <br />103 <br />75-125 <br />1.53 <br />20 <br />Chromium <br />51.3 <br />0.758 <br />37.9 <br />14.7 <br />96.6 <br />75-125 <br />4.57 <br />20 <br />Cobalt <br />41.5 <br />0.530 <br />37.9 <br />5.97 <br />93.7 <br />75-125 <br />4.48 <br />20 <br />Copper <br />64.8 <br />0.758 <br />37.9 <br />27.7 <br />97.9 <br />75-125 <br />1.23 <br />20 <br />Lead <br />67.0 <br />5.68 <br />37.9 <br />29.8 <br />98.2 <br />75-125 <br />3.80 <br />20 <br />Molybdenum <br />36.0 <br />1.52 <br />37.9 <br />ND <br />91.9 <br />75-125 <br />6.19 <br />20 <br />Nickel <br />47.5 <br />2.27 <br />37.9 <br />15.5 <br />84.4 <br />75-125 <br />2.70 <br />20 <br />Selenium <br />39.9 <br />7.58 <br />37.9 <br />ND <br />92.7 <br />75-125 <br />2.54 <br />20 <br />Silver <br />3.38 <br />0.530 <br />3.79 <br />ND <br />89.2 <br />75-125 <br />0.590 <br />20 <br />Thallium <br />37.4 <br />7.58 <br />37.9 <br />ND <br />92.6 <br />75-125 <br />3.93 <br />20 <br />Vanadium <br />74.0 <br />0.758 <br />37.9 <br />37.2 <br />97.1 <br />75-125 <br />4.49 <br />20 <br />Zinc <br />127 <br />1.52 <br />37.9 <br />87.0 <br />106 <br />75-125 <br />8.20 <br />20 <br />Sequoia Analytical - Petalurna The results in this report apply to the samples analyzed in accordance with the chain of <br />custody document. This analytical report must be reproduced in its entirety. <br />Page 13 of 23 <br />