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110 2nd Avmiuc South,,4W,Pacheco,CA 94553-5.560 <br /> Inc.McCampbell Analytical, Telephorte:925-798-1620 Fax:925-796-1622 <br /> 1,4 Websitc:www.mccampbell.com E-mail:maingi rnccampbell-com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix: W WorkOrder: 0405430 <br /> EPA Method: SW8021 B18015Cm Extraction: SW5030B BatchiD: 11702 Spiked Sample ID: 0405426-004A <br /> Sample Spiked li MSW MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pgtL %Rec. %Rec. % RPD % Rec. %Rec. %RPD Low High <br /> TPH(btex)E ND 60 93.9 102 2.81 99.2 102 2.59 70 130 <br /> MT13E ND 10 102 99.2 2.65 116 117 0.343 70 130 <br /> Benzene ND 10 114 112 1.26 108 103 0 70 130 <br /> Toluene ND 10 108 108 0 105 iO4 1.48 70 130 <br /> Eth}lbenzene ND 10 S 1 I I]I 0 107 109 1.44 70 130 <br /> Xylenes ND 30 100 100 0 96.3 100 3.74 70 130 <br /> 46SS: 96.5 10 104 102 2.14 100 100 0 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br /> NONE <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100"(MS- MSD)I((MS+MSD)1 2)- <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if:a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery. <br /> £TPH(btex)=sum of BTEX areas from the FID. <br /> #cluttered chromatogram:sample peak coelutes with surrogate peak. <br /> NIA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate. <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> anal to content <br /> DHS Certification Na. 1644 T � QA/QC Officer <br />