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1534 Willow Pass Road,Pittsburg CA 94565-1701 <br /> -;Y M c C a m p b e I l Analytical, Inc. Ton Free Telephone:(877)252-9262/Fax(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Condor Earth Technologies, Inc. WorkOrder: 1310843 <br /> Date Prepared: 10/25/13 BatchID: 83311 <br /> Date Analyzed: 10/25/13 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-83311 <br /> 1310843-020AMS/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 0.04454 0.04794 0.050 ND 89.1 95.9 70-130 7.35 30 <br /> g-BHC 0.0504 0.05421 0.050 ND 101 108 70-130 7.28 30 <br /> p,p-DDT 0.0414 0.04308 0.050 ND 82.8 86.2 70-130 3.98 30 <br /> Dieldrin 0.08965 0.09105 0.050 0.02878 122 125 70-130 1.55 30 <br /> Endrin 0.05587 0.05947 0.050 ND 112 119 70-130 6.25 30 <br /> Heptachlor 0.05647 0.06036 0.050 ND 113 121 70-130 6.65 30 <br /> Surrogate Recovery <br /> Decachlorobiphenyl 0.05174 0.05208 0.050 103 104 70-130 0.659 30 <br /> (Cont.) <br /> CDPH ELAP 1644 NELAP 12283CA QA/QC Officer <br /> Page 13 of 24 <br />