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' I t 0 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 rax 925-798-1622 <br /> h Jlwww mcc bell cam E-mvl mom mccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0306497 <br />' EPA Method SW82608 Extraction SW5030B SatchlD 7492 Spiked Sample lD 0306493 001 B <br /> Sample Spiked MS' I MSD- MS-MSD- LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br />' pglL pg/L I % Rec % Rec %RPD %Rec % Rec % RPD Low High <br /> tent-Amyl methyl ether(TAME) ND 10 984 91 2 765 99 91 846 70 130 <br /> 1,2-Dibromoethane(EDB) ND l0 129 116 994 126 129 206 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 108 102 583 102 117 13 8 70 130 <br /> Dusopropyl ether(RIPE) ND 10 124 117 5 90 117 878 28 5 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 102 943 7 63 999 905 989 70 130 <br /> Methyl-t-butyl ether(MTBE) 1 973 10 110 983 908 106 104 224 70 130 <br /> %SSI 112 100 112 110 260 116 85 8 91 9 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relabve Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)`2 <br /> .MS and 1 or MSD spike recoveries may not be near 100%or the RPps near 0%if a)the sample is inhomogenous AND contains sign cant concentrations of <br /> E analyte relative to the amount spiked or b)if that specific sample matnx interferes wth spike recovery <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> • NR=analyte concentration in sample exceeds spike amount for soli matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> Labora )ryextraction solvents such as methytene chionde and acetone may occasionally appear in the method blank at low levels <br /> i <br /> I <br />