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110 2nd Avenue South #1)7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hap//www mcrampbell com E-mail main(r�mccamphell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303299 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 6219 Spiked Sample ID 0303299-014B <br /> Sample Spiked MS- MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound -- <br /> Ng/L pg/L % Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 856 878 256 106 106 00970 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 802 769 426 115 110 446 70 130 <br /> Diisopropyl ether(D1PE) ND 10 875 859 t 87 115 114 107 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 827 804 274 107 106 132 70 130 <br /> %S3 t 118 100 101 99 5 1 54 105 102 290 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 /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD W Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100'(MS-Sample)/(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 06/6 if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)it that specific sample matrix interferes with spike recovery <br />