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' 110 2nd Avenue South tlD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> _ httpJ/www mecamphell corn E mail mamQmccampbell corn _ <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matra W WorkOrder 0210392 <br /> ' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 4567 Spiked Sample ID 0210392-DOIA <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> CompouQd <br /> pgIL pg/L % Rec %Rec %RPD %Rec % Rec %RPD Low ; High <br /> TPH(gas) ND 60 994 984 0 942 104 107 241 80 120 <br /> MTBE ND 10 933 87 700 103 103 0 173 80 120 <br /> Benzene ND 10 916 922 0 701 986 105 659 80 120 <br /> ' Toluene ND 10 983 98 0 340 979 107 861 80 120 <br /> Ethylbenzene ND l0 100 999 0 506 101 107 591 80 120 <br /> Xylenes ND 30 100 100 0 967 103 667 80 120 <br /> ' %SS 968 100 971 987 1 72 102 107 501 l 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 /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RFD=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 soil matrix or exceeds Tat 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%if a)the sample is inhomogenous AND contains significant concentrations of <br /> ' analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />