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t110 2nd Avenue South,i1D7,Pachew,CA 94553-5560 MCCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 http:/lwww.mccampbelLcom E-mail;main ccampbell.com �1 QC SUMMARY REPORT FOR SW8260B Matrix:W WorkOrder: 0209390 ' EPA Method: SW8260B Extraction: SW5030B BatchlD:4132 Spiked Sample ID: 0209390-001B Compound Sample Spiked MS' MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) ' lug/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High i ! Benzene ND to 110 110 0.529 110 112 1.60 70 130 ' teri-Amyl methyl ether(TAME) ND 10 99.2 97.3 1.91 97 99.3 2.29 70 130 Methyl-t-butyl ether(MTBE) ND t0 113 112 0.396 101 106 5.07 70 130 Toluene ND 10 106 109 2.52 107 107 0.0988 70 130 ' Diisopropyl ether(D1PE) ND t0 96.8 97.3 0.576 99.9 100 0.331 70 130 Ethyl tent-butyl ether(ETBE) ND 10 101 100 0.744 98.8 101 2.53 70 130 ' %SSI: 101 100 106 106 0.341 106 106 0.311 70 130 %SS2: 102 100 98.6 99.2 0,567 99.5 98.9 0.645 70 130 %SS3: 107 100 104 104 0.279 103 104 0.384 70 130 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: NONE 1 MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent ' Deviation. N/A=not enough sample to perform matrix spike and matrix spike duplicate. 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 / analyte content ' °la Recovery=100'(MS-Sample)I(Amount Spiked);RPD=100•(MS--MSD)/(MS+MSD)'2. `MS and/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 ' analyte relative to the amount spiked,orb)if that specific sample matrix interferes with spike recovery.