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' 110 2nd ANenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798 1622 <br />' Website www mccampbell com r mail man@ mwampbell com <br /> QC SUMMARY REPORTFOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0409235 <br />' EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 13167 Spiked Sample ID 0409228-005A <br /> Analyte Sampie Spiked MS" MSD MS-MSD' LCS LCSQ iLCS-LCSD Acceptance Criteria(%) <br />' pg/L pg1L % Rec %Rec %RPD %Ree %Rec % RPDLow Nigh <br /> TP11(btex)e ND 60 98 1 984 0 308 972 103 5 30 70 130 <br /> MTBE, ND 10 88 875 0 573 951 102 7 17 70 130 <br />' Benzene ND 10 100 991 0980 101 104 2 99 70 130 <br /> Toluene ND 10 94 6 95 0 362 95 7 991 3 51 70 I 130 <br />' Ethylbenzene ND 10 101 100 133 102 103 0 535 70 130 <br /> Xylenes ND 30 91 907 0 367 91 90 7 0 367 70 130 <br /> r %SS 100 10 103 102 121 103 109 609 70 130 <br /> All target compounds in the Method Blank of this extiaction batch were ND less than the method RL with the following exceptions <br /> r NONE <br /> r • <br /> r <br /> r <br /> r <br /> r <br /> r MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=140`(MS-Sample)!(Amount Spiked) RPD=100`(MS- MSD)I((MS+MSD)12) <br /> r 'MS 1 MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains scgnficant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FED <br /> I #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 matnx or <br /> Lanalyte content <br /> DHS Certification No 1644 QA/QC Officer <br />