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110 2nd Avenue South 4D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http 11www mccampbell cum E mail man rr ccampbe11 cam <br /> • QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0304379 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 6666 Spiked Sample ID 0304384-001B <br /> Compound Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND I0 102 993 274 108 102 589 70 I 130 <br /> Methyl t-butyl ether(MTBE) ND 10 109 105 3 17 122 111 964 70 130 <br /> Dusopropyl ether(DIPS) ND 10 113 109 329 117 114 188 70 130 <br /> ' Ethyl tert-butyl ether(ETBE) ND 10 102 992 272 109 103 535 70 130 <br /> %SS 1 108 100 988 983 0 419 105 101 428 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the Following exeepuons <br /> NONE <br /> 1 <br /> 1 <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=x00'(MS—MSD)I(MS;MSD)"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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> ' <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 matrix or <br /> analyte content. <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />