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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 Ihvww Mee <br /> ampbelE ccm E mad main©mecampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0210339 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 4522 Spiked Sample ID 0210360-002A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Catena(%) <br /> ' Compound <br /> pg/L %Rec %Rec %RPD I %Rec %Rec %RPD Low i High <br /> TPH(gas) ND 60 110 116 476 104 105 0 358 80 120 <br /> ' MTBE ND 10 $22 81 l 58 101 914 977 80 120 <br /> Benzene ND 10 968 93 5 351 108 972 104 80 120 <br /> 1 Toluene 8 655 10 933 868 371 103 937 978 80 120 <br /> Ethylbenzene ND 10 105 103 2 13 108 983 9 79 80 120 <br /> Xylenes ND 30 103 103 0 103 93 3 102 0 120 <br /> %SS 979 100 104 103 1 09 111 100 108 j 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 /> 1 <br /> 1 I <br /> i <br /> 1 <br /> 1 <br /> ' MS=Matrix Spike MSO=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 and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> t analyte content <br /> Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and 1 or MSD spike recoveries may not be near 100%or the RPOs near 0%it 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 />