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i A 1 I 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 http llwww mccampWl com E-mail mairk@mccampbell com QC SUMMARY REPORT FOR SW8260B Matrix W WorkOrder 0306601 EPA Method SW8260B Extraction SW5030B BatchlD 7569 Spiked Sample ID 0305602-003B Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) pg/L pg/L % Ree %Rec %RPD %Rec %Rec %RPD Low High tert-Amyl methyl ether(TAME) ND 10 105 977 7 58 971 956 156 70 130 Benzene ND 10 117 108 8 18 114 116 126 70 130 Diisopropyl ether(D1PE) ND 10 117 107 9 03 109 106 2 85 70 130 Ethyl tent-butyl ether(ETBE) ND t0 107 982 821 98 7 969 193 70 I 130 Methyl-t-butyl ether(MTBE) ND 10 113 104 828 104 105 0 631 70 130 Toluene ND 10 125 119 4 86 128 126 1 79 70 130 °/aSSI 107 100 107 107 0 104 761 312 70 130 %SS2 985 100 982 982 0 100 982 229 70 130 %SS3 106 100 995 98 7 0 799 101 859 4 17 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 MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation %Recovery=100"(MS-Sample)1(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%it a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery • NIA=not enough sample to perform matrix spike and matrix spike duplicate NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content Laborato extraction sohrents such as mekhylene chfonde and acetone m oocas+onal ap ar m the method blank at low levels I