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0 RECEWEL <br /> CASTLE ANALYTICAL LABORATORY FEB 2 4 2015 <br /> EnvironmentaCertificate No.2480ng Services 2333 Shuttle Drive,Atwater,CA'ENVIRONMENTAL PhFax: (209)384-15007• <br /> HF.AITH *PARWENT <br /> George W. Lowry,Inc. Client Project ID: Pacific Southwest Irrigation Method:TPH-Diesel <br /> P.O. Box 176 Lab Reference Number: 1502005 Instrument ID: HP-GC1 <br /> Salida,CA 95368 Sample Description:Soil Extracted:02-03-15 <br /> Attn:Colin Kelley Analyzed:02-03-15 <br /> Reported:02-10-15 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE TPH-Diesel <br /> Spike Concentration: 5.0 <br /> Units: mg/kg <br /> Batch#: TPHDS-2035 <br /> Method Blank: NO <br /> LCS%Recovery: See LCSA/LCSB <br /> Control Limits: 60-130% - <br /> LCSA/LCSB Batch#: TPHDS-2035 • <br /> LCSA%Recovery: 100% <br /> LCSB%Recovery: 87.4% <br /> Relative%Difference: 13.5% <br /> Please Note: <br /> The LCS(Laboratory Check Sample)is a control sample of known,interferent free matrix that is fortified with representative analytes and <br /> analyzed using the same reagents,preparation and analytical methods employed for the samples. The LCS%recovery is used for validation <br /> of sample batch results. Due to matrix effects,the OC limits and recoveries for MS/MSD's are advisory only and are not used to accept or <br /> reject batch results. <br /> APPROVED BY: <br /> James C.Phillips/La ra o Director or <br /> Clavi J. Cone/Labor try Manager <br />