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110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> Inc.McCampbell Analytical, ITelephone 925-798-1620 Fax 925 798 1622 <br /> Website www mccampbell corn E mail ma nfaDio .ampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0403195 <br /> EPA Method SW82608 Extraction SW5030B SatchlD 10719 Spiked Sample ID 0403189-005B <br /> Sample Spiked MS* MSD` MS-MSD* LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> Ng1L Ng/L %Rec %n Rec %v RPD % Rec % Rec %RPD Low High <br /> tert Amyl methyl ether(TAME) ND 10 110 ill 0 500 109 108 0 487 70 130 <br /> t-Butyl alcohol(TBA) ND 50 84 6 829 213 917 94 1 266 70 130 <br /> 1,2-Dibromoethane(EDA) ND 10 101 102 0 624 103 103 0 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 123 123 0 121 120 120 70 130 <br /> Diisopropyl ether(DIPE) ND 10 113 114 0 763 114 114 0 70 130 <br /> Ethanol ND 500 105 100 460 110 113 284 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 103 103 0 105 105 0 70 130 <br /> Methanol ND 2500 984 839 15 9 84 957 1 97 70 130 <br /> Methyl-t-butyl ether(MTBE) 20 16 10 NR NR NR 103 103 0 70 130 <br /> %SSI 102 10 998 999 00835 957 944 j 1 31 1 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 /> MS=Matrix Spike MSD=Matrix 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((M5+MSD)t 2) <br /> MS and I 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 /> analyle relative to the amount spiked o(b)if that spectic samp?e matnx interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds sprke amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> Laboratory extraction solvents such as methyiene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />