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i� <br /> L <br /> F 05/10/07 10:16 <br /> Kleinfelder(Stockton) Project: Kenworth T-22 <br /> 2825 East Myrtle St. Project Number: 82946.H01 CLS Work Order#:CQE0105 <br /> LStockton,CA 95205 Project Manager: Joseph D.Zilles COC#:3997,3998,3999 <br /> DRAFT: Metals (Dissolved)by EPA 200 Series Methods- Quality Control <br /> I <br /> fr Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %RPC Limits RPD Limit Notes <br /> Batch CQ03781 -EPA 3020A <br /> .. <br /> Matrix Spike Du (CQ03781-MSD1) Source:CQE0105-02 Prepared:05!03/07 Analyzed:05/04/07 <br /> Antimony 127 6.0 pg/L 100 ND 127 75-125 3.62 25 <br /> Arsenic 114 2.0 100 14.2 99.6 75-125 1.76 25 <br /> Cadmium 10.4 1.0 10.0 0.660 97.1 75-125 2.24 25 <br /> Lead 100 5.0 100 0.970 99.1 75-125 2.73 25 <br /> Selenium 95.7 5.0 100 ND 95.7 75-125 3.89 25 <br /> ` Vanadium 127 10 100 29.7 97.0 75-125 L49 25 <br /> Thallium ]00 1.0 100 ND 100 75-125 3.58 25 <br /> Batch CQ03782-EPA 3010A <br /> Blank(CQ03782-BLK1) Prepared&Analyzed:05/03/07 <br /> Aluminum ND 50 gg/L <br /> Barium ND 100 <br /> a.. Boron ND 100 ' <br /> Beryllium ND 1.0 <br /> Chromium ND 10 <br /> r <br /> Copper ND 50 <br /> Iron ND 100 <br /> Manganese ND 10 <br /> Nickel ND 10 <br /> r Silver ND 10 <br /> Zinc ND 50 <br /> LCS(CQ03782-BSI) Prepared&Analyzed:05/03/07 <br /> Aluminum 1810 50 pg/L 2000 90A 80-120 <br /> Barium 1990 100 2000 99.4 80-120 <br /> Boron 2460 100 2500 98.6 80-120 <br /> ` Beryllium 49.7 1.0 50.0 99.4 80-120 <br /> Chromium 196 10 200 98.2 80-120 <br /> Copper 244 50 250 97.8 80-120 <br /> Iron 1000 100 1000 100 80-120 <br /> Manganese 499 10 500 99.8 80-120 <br /> Nickel 502 10 500 100 80-120 <br /> Silver 46.8 10 50.0 93.6 80-120 <br /> a. Zinc 496 50 500 99.1 80-120 <br /> W <br /> r <br /> CA DOHS ELAP AccrednatioNRegistration Number 1233 PLATE <br /> '� 36 <br />