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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' httpJlwww mccampbell cam E-mail mmn@mc=mpbcll cam <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> BatchlD 2272 Matrix W WorkOrder 0206046 <br />' EPA Method SW8021 B18015Cm Extraction SW5030B Ext Date 6104102 Spiked Sample ID 0206046-003A <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' lig/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 932 976 456 104 945 93 80 120 <br />' MTBE ND 10 103 873 164 102 956 60 80 120 <br /> Benzene ND 10 109 108 0 382 106 111 4 0 80 120 <br /> Toluene ND 10 112 113 0 553 113 116 2 5 80 120 <br />' Ethytbenzene ND 10 107 108 0204 109 112 2 4 80 120 <br /> Xylenes ND 30 103 107 317 110 110 0 80 120 <br /> %SS 1Ob 10 106 109 193 107 107 068 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 /> lie <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,or analyte concentration in sample exceeds spike amount <br /> ' %Recovery=1013'{MS-Sample)!(Amount Spiked) RPD=100'(MS—MSD)I WS-MSD)`2 <br /> 'MS and 1 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 /> 0 analyze relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />