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' IID 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> http 1lwww mecampbell corn E mail mama ccampbell corn <br /> 1 <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0210322 <br />' EPA Method SW8260B Extraction SW5030B Satch)D 4505 Spiked Sample ID 0210321-005B <br /> Sample Spiked MS` I MSD* MS-MSD' LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' Ng/L I pgIL I %Rec I % Rec I %RPD I %Rec % Rec I %RPD I Low High <br /> tent-Amyl methyl ether(TAME) ND 10 102 102 00381 103 108 477 70 130 <br /> Methy]-t-butyl ether(MTBE) ND 10 105 102 133 111 93 131 70 130 <br />' Dlisopropyl ether(RIPE) ND 10 88 5 90 1 62 924 944 2 16 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 995 984 1 11 101 103 _ l 60 70 130 <br /> %SSI 105 100 107 108 0 198 974 105 791 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 /> I� <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPA=Relative Percent <br /> IDeviation <br /> • NIA=not enough sample to perform matnx 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 /> I %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 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)d that rpec,fic sample matrix interferes with spike recovery <br />