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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCompbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" hup://www.mempbell.com mpbell.com/E-mail:main(nnccampbeLLcom <br /> Quality Control Report <br /> Client: Neil O.Anderson&Associates WorkOrder: 1404047 <br /> Date Prepared: 4/1/14 BatchlD: 88874 <br /> Date Analyzed: 4/2/14 Extraction Method: E200.8 <br /> Instrument: ICP-MSI Analytical Method: E200.8 <br /> Matrix: Water Unit: pg/L <br /> Project: #LZ140001;NOA Drywell,Lodi,CA Sample ID: MB/LCS-88874 <br /> 1404048-005AMS/MSD <br /> QC Summary Report for E200.8 <br /> Analyte MB LCS RL SPK MB LCS LCS <br /> Result Result Val SS%REC %REC Limits <br /> Arsenic ND 43.45 0.50 50 - 86.9 85-115 <br /> Barium ND 421.4 5.0 500 - 84.3,F2 85-115 <br /> Cadmium ND 45.11 0.25 50 - 90.2 85-115 <br /> Chromium ND 44.4 0.50 50 - 88.8 85-115 <br /> Lead ND 45.79 0.50 50 - 91.6 85-115 <br /> Mercury ND 1.194 0.025 1.25 - 95.5 85-115 <br /> Selenium ND 45.81 0.50 50 - 91.6 85-115 <br /> Silver ND 45.16 0.19 50 - 90.3 85-115 <br /> Surrogate Recovery <br /> Tb 350.917 681.3 709.6 750 91 95 70-130 <br /> Analyte MS MSD SPK SPKRef MS MSD MSIMSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> Arsenic 45.42 45.01 50 ND 90.8 90 70-130 0.907 20 <br /> Barium 431.7 441.9 500 8.1 84.7 86.8 70-130 2.34 20 <br /> Cadmium 44.92 46.62 50 ND 89.8 93.2 70-130 3.71 20 <br /> Chromium 45.16 45.93 50 ND 90.3 91.9 70-130 1.69 20 <br /> Lead 50.02 51.33 50 4.2 91.6 94.3 70-130 2.59 20 <br /> Mercury 1.198 1.245 1.25 ND 95.8 99.6 70-130 3.85 20 <br /> Selenium 49.16 47.04 50 ND 98.3 94.1 70-130 4.41 20 <br /> Silver 44.47 45.59 50 ND 88.9 91.2 70-130 2.49 20 <br /> Surrogate Recovery <br /> Tb 350.917 732.4 743.4 750 98 99 70-130 1,49 20 <br /> CDPH ELAP 1644 NELAP 4033ORELAP QA/QC Officer <br /> Page 60 of 78 <br />