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110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> [4:M:c:C:am:p:1bell Analytical Inc I Telephone 925-798-1620 Fax 925-798-1622 <br /> 1 http//www mccampbell corn E-mad maina mccampbell corn <br /> • QC SUMMARY REPORT FOR SW802IB/8015Cm <br /> Matrix W WorkOrder 0308122 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 8132 Spiked Sample ID 0308123-004A <br /> Sample Spiked MS' MSD- MS-MSD LCS LCSD LCS-LCSD Acceptance Critena(%) <br /> ' Ng/L pg/L %Rec %R %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 111 114 246 104 110 569 70 130 <br /> MTBE ND 10 983 104 520 114 108 535 70 130 <br /> Benzene ND 10 104 112 723 111 110 104 70 130 <br /> Toluene ND 10 984 104 584 102 102 0 70 130 <br /> ' Ethylbenzene ND 10 107 111 3 13 107 108 0 904 70 130 <br /> Xylenes ND 30 100 103 328 100 100 0 70 130 <br /> ' %S5 949 100 101 108 641 101 101 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 /> 1 <br /> MS=Matnx 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)1(MS+MSD)'2 <br /> -MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%of 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 voth spike recovery <br /> . £TPH(btex)=sum of STEX areas from the FID <br /> ' #Guttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />