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�IEONED <br /> FEB 2 4 2015 <br /> CASTLE ANALYTICAL LABORATORY r.4D11Q0 NhQT.AL <br /> Environmental Testing Services 2333 Shuttle Drive, Atwater,CA 95301 NFA1TM nrp& : (209)384-2930 <br /> Certificate#2480 - Fax: (209)384-1507 <br /> George W. Lowry, Inc. - Client Project ID: Pacific Southwest Irrigation Method: EPA 5030/8015M,8020 <br /> P.O. Box 176 Lab Reference Number: 1502005 Instrument ID: HP-GC1 <br /> Salida,CA 95368 Sample Description:Soil Extracted:02-05-15 <br /> Attn: Colin Kelley Analyzed:02-05-15 <br /> Reported:02-10-15 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Gasoline <br /> Spike Concentration: 4.40 <br /> Units: mg/kg <br /> LCS Batch#: VS-2055 <br /> LCS %Recovery: 96.4% <br /> Surrogate Recovery: 88.2% <br /> Control Limits: 70-130% • <br /> MS/MSD Batch#: VS-2055 <br /> MS%Recovery: NA' <br /> Surrogate Recovery: NA' <br /> MSD% Recovery: NA' <br /> Surrogate Recovery: NA' <br /> Relative%Difference: NA` <br /> Method Blank: ND <br /> Surrogate Recovery: 89.6% <br /> 'MS/MSD not reported due to high matrix value. <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 QC limits and recoveries for MSIMSD's are advisory only and are not used to accept or <br /> reject batch results. <br /> APPROVED BY: <br /> James C. Phil ps/Laboratory Director or • <br /> Clan J. Con /Laboratory Manager <br />