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110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> L4Mc�Canip�bellnalytical Inc Telephone 925 798-1620 Fax 925 798-1622 <br /> http//www mccam bell com E-mail. mainccampbell coin <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0309359 <br /> EPA Method SW8021818015Cm Extraction SW5030B BatchlD 8614 Spiked Sample ID 0309354-008A <br /> Sample Spiked MS' MSD MS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> pg1L pg1L %Rec %Rec %RPD %Rec %Ree %RPD Low High <br /> TPH(btex)£ ND 60 106 105 0 690 943 983 4 12 70 130 <br /> MTBE ND 10 119 104 t3 3 975 102 432 70 130 <br /> Benzene ND 10 113 107 599 97 1 103 579 70 130 <br /> Toluene ND 10 107 985 783 89 1 943 566 70 130 <br /> 1✓thylbenzene ND 10 114 106 702 968 102 565 70 130 <br /> Xylenes ND 30 107 96 105 897 947 542 70 130 <br /> %SS 101 100 100 102 190 100 L 100 1 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=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 RPos 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 /> N/A=not enough sample to perferm 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 /> analyto content <br />