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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 /> http//www mccampbell coin E-mail main mccampbell cpm <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> ' BatchlD 1302 Matrix W <br /> WorkOrder 0204250 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B Ext Date 4/15/02 Spiked Sample ID 0204251-004A <br /> Sample Amount Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD <br /> Compound {� <br /> ' P9/L. pg/L %Rec %Rec %RPD %Rec %Rec %RPD <br /> TPH(gas) ND 60 118 108 120 lot 992 145 <br /> t —MTBE ND 10 99 1 93 200 898 994 101 <br /> Benzene ND 10 996 95 9 105 100 101 0 782 <br /> Toluene ND 10 105 98 3 !----20() 108 1 108 0 163 <br /> ' Ethylbenzene ND 10 107 101 57-7 104 104 00165 <br /> Xylenes ND 30 110 103 496 103 107 3 17 <br /> ' Surr %SS NA to 101 98 1 120 T <br /> 107 107 00947 <br /> i <br /> All target compounds in the Method Blank of this extraction batch were ND less that the method RL with the following exceptions <br /> ' NONE <br /> i <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=100'(MS-Somple)l(Amount Spiked) RPD=100"(MS—MSD)I(MS+MSD)"2 <br /> "MS and I 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)if that specific sample matrix interferes with spike recovery <br /> 1 <br />