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Excelchem Environmental Labs <br /> RWQC Central Valley Project Trinkle <br /> 11020 Sun Center Dr.#200 Project Number: [none] Date Reported <br /> Rancho Cordova,CA 95670 Project Manager: Amy Terrell 11/30/11 13:27 <br /> METALS BY 6000/7000 SERIES-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit MDL Units Level Result %REC Limits RPD Limit Notes <br /> Batch A UJ0094-EPA 6010B <br /> Blank(AU.10094-BLKI) Prepared: 10/06/11 Analyzed: 10/07/1) <br /> Dissolved Arsenic ND 10.0 ug/1 <br /> Dissolved Chromium ND 10.0 " <br /> Dissolved Selenium ND 20.0 " <br /> Dissolved Vanadium ND 20.0 <br /> LCS(AUJ0094-BSI) Prepared: 10/06/11 Analyzed: 10/07/11 <br /> - -.--- - . ---. I - - - --- -- -- - ------_ - -- - - - <br /> Dissolved Arsenic 999 0.0 ug/I 1000 99.9 80-120 <br /> Dissolved Chromium 1020 10.0 1000 102 80-120 <br /> Dissolved Selenium 964 20.0 1000 96.4 80-120 <br /> Dissolved Vanadium 990 20.0 1000 99.0 80-120 <br /> LCS Dup(AUJ0094-BSDI) Prepared: 10/06/11 Analyzed: 10/10/11 <br /> Dissolved Arsenic 1000 10.0 ug/I 1000 100 80-120 0 180 25 <br /> Dissolved Chromium 1020 10.0 1000 102 80-120 0.587 25 <br /> Dissolved Selenium 960 20.0 1000 96.0 80-120 0.395 25 <br /> Dissolved Vanadium 1030 20.0 1000 103 80-120 3.74 25 <br /> Matrix Spike(AU,10094-MS1) Source: 1109266-02 Prepared: 10/06/11 Analyzed: 10/07/11 <br /> Dissolved Arsenic 996 10.0 ug/I 1000 ND 99.6 75-125 <br /> Dissolved Chromium 992 10.0 1000 36.7 95.6 75-125 <br /> Dissolved Selenium 951 20.0 1000 ND 95.1 75-125 <br /> Dissolved Vanadium 955 20.0 1000 3.60 95.2 75-125 <br /> Matrix Spike Dup(AU30094-MSDI) Source: 1109266-02 Prepared: 10/06/11 Analyzed. 10/07/11 <br /> Dissolved Arsenic 1040 10.0 ug/I 1000 ND 104 75-125 4.27 25 <br /> Dissolved Chromium 1030 10.0 1000 36.7 99.1 75-125 3.51 25 <br /> Dissolved Selenium 993 20.0 1000 ND 99.3 751125 418 25 <br /> Dissolved Vanadium 989 20.0 1000 3.60 98.5 75-125 3.46 25 <br /> Excelchem Environmental Lab. The resuhs m dn.r report appy m thesamples analyzed in accordonce"wh the chum o/ <br /> cusiadY document. Ther analvncal report nmrr he reproduced in iir entire-11% <br /> Laboratory Representative <br /> Page 7 of 19 <br />