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' 110 2nd Avenue South #D7 Pacheco CA 94553-5550 <br /> 5McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798 1622 <br /> hap//www mccampbell coin E read rnam(u)mccampbell coni <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0208287 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 3526 Spiked Sample ID 0208287-021C <br /> Sample Spiked MS" MSD* SMS-MSD'1 LCS LCSD LCS-LCSD'Acceptance Criteria(%) <br /> Compound i <br /> pg1L pg/L ' % Rec %Rec % RPD %Rec %Rec %RPD Low I High <br /> i <br /> Diisopropyl ether (D1PE) ND 10 933 95 1 1 91 91 4 943 3 13 70 130 <br /> Ethyl cert-butyl ether(ETBE) ND 10 878 895 1 96 843 878 406 70 130 <br />' Methyl-t-huty€ether(MTBE) 2505 I 10 NR NR NR 824 84 1 95 70 130 <br /> Cert-Ain 1 meth l ether TAME ND <br /> Y y (TAME) 10 865 876 1 18 i 935 i SG G I 3 73 70 I 130 <br />' %SS 934 t00 941 93 6 0 461 94 933 0 827 70 I 130 <br /> All tai get compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> lie - <br /> I <br /> - T <br /> MS=Matrix Spike MSD=Mainx 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> I %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 RPDs near O%if a)the sample is mhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or 11,f that specific sample main.interferes with spike recovery <br />