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110 2nd Avenue South,UD7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 79&1620 Fax 925 798-1622 <br /> http llwww mccamphel]com @mail Maln@mccampbell corn <br />' <br /> QC SUMMARY REPORT FOR SW802IB/8015Cm <br /> 1 <br /> BatchlD 2604 Matnx W WorkOrder 0206381 <br />' EPA Method SW8021B18015Cm Extraction SW5030B Ext Date 6125102 Spiked Sample ID 0206380-004A <br /> Sample Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Catena(%) <br /> Compound <br />' Ng/L pg/L. %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 104 109 461 106 106 061 80 120 , <br /> MTBE ND 10 929 889 455 895 902 073 80 120 <br />' Benzene ND 10 984 928 584 918 915 040 80 120 <br /> Toluene ND 10 102 968 529 954 948 1 066 80 120 <br />' Ethylbenzene ND 10 103 988 4 18 97 964 068 80 120 <br /> Xylenes ND 30 103 993 395 987 997 0 80 120 <br />' %SS 101 10 101 101 0 232 996 101 12 80 120 <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 /> t <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation , <br /> N/A=not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount. <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 their RPDs near 0%if a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked or b)rf that specific sample matrix interferes with spike recovery <br />