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' 110 2nd Avenue South ND7 Pacheco CA 94553-5560 <br /> McCa.mpbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> ' http Ilwww mccampbell corn E mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/801 5Cm <br /> Matrix W WorkOrder 0212215 <br /> tEPA Method SW8021S/8015Cm Extraction SW5030B BatchlD 5285 Spiked Sample ID 0212215-004A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ' jig/L NgIL % Rec % Rec %RPD % Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 lot 101 0 123 996 100 0 507 80 120 <br /> ' MTBE ND 10 89 91 227 853 854 0 171 80 120 <br /> Benzene ND 10 102 101 1 10 954 966 1 30 80 120 <br /> Toluene ND 10 105 104 0 825 966 983 1 78ff80 <br /> 120 <br /> ' Ethylbenzene ND 10 106 106 0 478 932 954 234 120 <br /> Xylenes ND 30 103 103 0 987 997 101 120 <br /> ' %SS 103 100 101 102 0 253 923 903 2 16 80 120 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> MS=Matrix 5piko MSD=Matrix Spike Duplicate,LCS=Laboratory Con Vol 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 /> 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 />' analyto content <br /> %Recovery=100*(MS-Sample)1(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)•2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant Concentrations of <br />' anaiyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />