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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> ® M c Campbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax(925)252-9269 <br /> "When Quality Counts" http://www.mccampbeU.com/E-mail:main@mccaWbeU.com <br /> Quality Control Report <br /> Client: Condor Earth Technologies, Inc. WorkOrder: 1310843 <br /> Date Prepared: 10/25/13 BatchlD: 83315 <br /> Date Analyzed: 10/26/13 Extraction Method: SW3550B <br /> Instrument: GC22 Analytical Method: SW8081A <br /> Matrix: Soil Unit: mg/kg <br /> Project: #4601M4;Mountain House Neighbad C Sample ID: MB/LCS-83315 <br /> 1310843-041 AMS/MSD <br /> QC SUMMARY REPORT FOR SW8081A <br /> Analyte MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> Aldrin 0.0397 0.03968 0.050 ND 79.4 79.4 70-130 0 30 <br /> g-BHC 0.04922 0.04837 0.050 ND 98.4 96.7 70-130 1.73 30 <br /> p,p-DDT 0.02837 0.02612 0.050 ND 56.7,F1 52.2,F1 70-130 8.24 30 <br /> Dieldrin 0.3717 0.36 0.050 0.3586 26.3,F1 2.73,F1 70-130 3.22 30 <br /> Endrin 0.04745 0.04625 0.050 ND 94.9 92.5 70-130 2.58 30 <br /> Heptachlor 0.05421 0.05294 0.050 ND 108 106 70-130 2.36 30 <br /> Surrogate Recovery <br /> Decachlorobiphenyl 0.04078 0.04027 0.050 82 81 70-130 1.24 30 <br /> CDPH ELAP 1644 NELAP 12283CA QA/QC Officer <br /> Page 17 of 24 <br />