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110 2nd Avenue South #07,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> httpJ/www mccampbell com E-mail mam r[r mccampbell cow <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0209018 <br />' EPA Method SW8260B Extraction SW5030B BetchlD 3802 Spiked Sample ID 0209018-003C <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Catena(%} <br />' Compound <br /> pg/L Ng/L % Rec %Rec %RPD+%Rec % Rec %RPD Low High <br /> Dilsopropyl ether(RIPE) ND 10 121 113 662 995 101 152 70 130 <br />' Ethyl Cert-butyl ether(ETRE) ND 10 123 113 808 101 104 270 70 — 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 128 120 657 107 108 0 877 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 125 115 826 105 106 148 70 130 <br /> %SS 877 100 89 4 90 i 0 741 1 905 91 1 0 635 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 /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix 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 matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matnx or <br />' analyte content <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS–MSD)1(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)it that specific sample matrix interferes with spike recovery <br />