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110 2nd Avenue�Ih7 Pachec�CA941,5�3McCamphetl Analytical Inc Telephne620 Faz h /lwww mcc E-mall m <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W WorkOrder 0304433 <br />' EPA Method SW8021818015Cm Extraction SW5030B BatchlD 6717 Spiked Sample ID 0304433-OO1A <br /> Compound Sample Spiked MS` MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance CriteriaCriteria <br />' pg/L pg/L %Rec % Rec %RPD %Rec % Rec % RPD Low High <br /> TPH(btex)E ND 60 944 98 377 923 923 0 70 130 <br />' MTBE 955 10 115 117 0 706 101 957 5 68 70 130 <br /> Benzene 0 5402 10 94 5 92 l 234 954 92 1 3 55 70 130 <br /> I Toluene ND 10 100 98 2 221 100 965 3 69 70 130 <br /> Ethylbenzene ND 10 100 987 148 101 972 3 87 70 130 <br /> Xylenes ND 30 103 103 0 107 100 645 80 120 <br /> %SS 100 100 98 7 975 1 20 945 964 1 95 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> i NONE <br /> i� <br /> i <br /> i <br /> i <br /> i <br /> i <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)"2 <br /> I '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 /> £TPI-I(btex)=sum of BTEX areas from the FID <br /> I #cluttered 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 Z(spike amount for water matrix or sample diluted due to high matrix or <br /> Ianal a cantertt <br />