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' 110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc LTelephone 925 798-1620 Fax 925-798-1622 <br /> ' h Jlwww-b.11 coin ]-mail rnam2mcaTripbell cam <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0308234 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 8190 Spiked Sample ID 0308223-OOIA <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria <br /> pg/L pg/L. % Rec % Rec %RPD % Rec % Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 993 104 464 966 959 0 733 70 130 <br /> t-Butyl alcohol(TBA) ND SO 971 104 632 174 941 146 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 111 112 0 823 108 109 0 871 70 130 <br /> 1,2-Dlchloroethane(1,2-DCA) ND l0 117 119 217 110 I12 216 70 130 <br /> Diisopropyl ether(DIPE) ND 10 125 127 0 941 119 120 0 381 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 108 110 2 10 102 102 0 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 101 106 4 10 98 992 121 70 130 <br /> %SSI 109 100 114 113 1 19 103 102 0 396 70 I 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 /> I <br /> 1 ' <br /> i <br /> E <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)I(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD)'2 <br /> n <br /> MS and 1 or MSD spike reeovenes 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 /> N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=anatyte 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 I r <br /> i I <br /> Laboratory extraction solvents such as methyiene chloride and acetone may occasionally appear in the method blank at low levels ' <br /> i <br />