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Ito 2nd Avenue.South PD7 Pacheco CA 94553 5360 <br /> McCampbell Analytical, Inc. Telephone 925-798 1620 Fax 925-798 1622 <br /> 1-4 1 <br /> Website ,vww inecampbell coin Email rriain@ mecampbell coin <br /> 1 � <br /> QC SUMMARY REPORT FOR SW802IB/8015Cm <br />' <br /> Matrix A WorkOrder 0405299 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 11582 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD* iMS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng/L VglL %Rec %Rec %RPD % Rec %Rec % RPD Low High <br />' ml(btex)0 NIA 60 NIA N/A NIA 101 104 3 06 70 130 <br /> MTBE - NIA - 10 N/A NIA i NIA 101 104 309 70 130 <br /> tBenzene NIA 10 NIA NIA i N/A ]01 1117 648 70 130 <br /> Toluene N/A 10 N/A NIA { NIA 85 3 904 5 80 70 130 <br />' Ethylbenzene N/A 10 N/A N/A NIA 107 113 544 70 130 <br /> Xylenes N/A 30 N/A NIA NIA 96 100 411 70 1311 <br /> %SS N/A to NIA N/A N/A 931 964 3 52 70 130 <br />' Ail target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> lie <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ' Deviaticn <br /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)/((MS+MSD)12) <br /> ' *MS and/or MSD spike recoveries may not be near I OD%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 /> F TPH(btex)=sum of BTEX areas from the FID <br /> ' #cluttered chromatogram sample peak coelutes with surrogate peak <br /> . NIA=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 matnx or <br /> analyte content <br /> ' QA/QC Officer <br /> DIES Certification No 1644 <br />