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1 <br /> -110 2nd Avenue South rED7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http//www mecampbell com E-mail mmn®mecampbell cum <br /> • C SUMMARY REPORT FOR SW80 <br /> Q 21BI8015Cm <br /> 1 <br /> BatchlD 1506 Matrix W WorkOrder 0204418 <br /> ' EPAMethod SW8021B/8015Cm Extraction SW5030B Ext Date 4125/02 Spiked Sample ID 0204419-001A <br /> Sample i Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> Compound <br /> ' W91L P9/L %Rec %Rec %RPD %Rec %Rec I %RPD Low I High <br /> TPH(gas) ND 60 112 111 0 734 993 112 12 70 130 <br /> ' MTBE 2751 10 818 887 192 85 928 98 70 130 <br /> Benzene ND 10 937 943 0 628 103 106 29 70 130 <br /> Toluene ND 10 985 999 1 33 111 110 0 26 70 130 <br /> ' Ethylbcnzene ND 10 101 103 126 109 111 19 70 130 <br /> Xylenes ND 30 997 103 361 110 110 0 70 130 <br /> 107 10 102 103 0 757 108 111 35 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 /> 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 /> N/A=not enough sample to perform matrix spike,or anatyte concentration in sample exceeds spike amount <br /> ' %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and/or MSD spike reeovenes may not be near 100%or their RPDs near 0%it a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked,or b)if that specific sample matnx interferes with spike recovery <br />