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i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798 1620 Fax 925-798-1622 <br /> Website www mccarripbell cam E mad main@,niccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0406291 <br /> IEPA Method SW8260B Extraction SW5030B BatchlD 12000 Spiked Sample ID 0406291-006C <br /> Sample Spiked MS* MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L Ng/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 889 896 0 808 839 859 236 70 130 <br /> t-Butyl alcohol(TBA) — ND 50 101 107 592 968 991 234 70 130 <br /> 1,2-Ihbromoethane(RDB) ND 10 101 104 275 989 996 0 747 70 130 <br /> 1,2-I?ichloroethane(1,2-DCA) ND 10 109 111 0 944 105 108 291 70 130 <br /> Diisopropyl ether(DIPS) ND 10 118 119 0 907 107 111 350 70 I 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 110 113 234 104 107 239 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 108 109 1 63 98 101 273 70 130 <br /> %SS 1 109 10 849 843 0 686 842 842 0 70 I 130 <br />' All target compounds to 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 /> %Recovery=100"(MS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)I((MS+MSD)/2) <br /> .MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%it 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 /> NIA=net 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 matrix or <br /> analyte content <br /> Laborato extraction solvents such as methytene chloride and acetone may occasionally appear in the method blank at low levels <br /> iDHS Certification No 1644 _QA/QC Officer <br />