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t <br /> I 10 2nd Avenue South ND7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http/Iwwwrnccamvbdlcom E-mail marn©mccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matra W WorkOrder 0210319 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 4481 Spiked Sample ID 0210319-005B <br /> 1 <br /> Compound Sample Spiked MS* MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> tig/L lig/L %Rec %Rec %RPD %Rec %Rec %RPD t70 <br /> High <br /> tort-Amyl methyl ether(TAME) ND 10 103 103 00529 93 945 157 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 935 923 129 784 798 1 74 130 <br /> Drrsopropyl ether(DIPS) ND 10 93 926 0 454 844 846 0 223 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND i0 101 lot 0 319 932 937 0 495 70 130 <br /> 0/aSS i 1.04 100 107 105 202 926 91 1 70 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=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> %Recovery=100`(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSO)•2 <br /> MS and 1 or MSD spike recoveries may not be near 100%or the BPDs 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 />