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r 110 2nd Avenue South,4D7,Pacheco CA 94$53-5560 <br /> MCCampbell Analytical Inc Telephone 925-7961620 Fax 925-798-1622 <br /> bttp l/www mccampbell com E-mail main@mccampbell com <br />' QC SUMMARY REPORT FOR SW8021B/8015Cm <br />' Matrix W WorkOrder 0209094 <br /> EPA Method SW8021 1318015Cm Extraction SW5030B Batchld 3860 Spiked Sample ID 0209087-006A <br /> Sample Spiked MS' MSD' MS-MSD` LCS LCS D LCS-LCSD Acceptance Criteria(%) <br />' Compound <br /> pg/L pglL %Rea %Rea %RPD %Rec %Rea %RPO Low High <br /> TPH(gas) ND 60 102 103 0 991 113 114 0 611 80 120 <br />' MTBE ND 10 867 115 280 924 96 387 80 120 <br /> Benzene ND 10 961 91 8 4 63 94 8 958 1 03 80 120 <br />' Toluene ND ID 103 985 432 926 912 149 80 120 <br /> Ethylbenzene ND 10 106 102 460 978 989 1 11 80 120 <br />' Xylenes ND 30 110 103 625 933 93 0 358 80 120 <br /> %SS 997 100 101 967 438 103 998 2 73 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 /> NONE <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> t 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 /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100 (MS--MSD)I(MS+MSD) 2 <br /> *MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amountspiked orb if that s ecific sample matrix interferes with spike recovery <br />