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III 2nd Avenue South dD7 Pachec�CA 553-5560McCalTeleph925 798-1620 Fax -1622hUp//www mccampbell cam E-mail mampbell coin QC SUMMARY REPORT FOR SW8260B 1 Matrix W WorkOrder 0307008 ' EPA Method SW8260B Extraction SW5030B BatchlD 7642 Spiked Sample ID 0307006-008C Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) ' pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High tent-Amyl methyl ether(TAME) NO 10 IO2 100 1 72 964 708 306 70 130 ' Benzene ND 10 1 l 8 118 0 117 763 41 8 70 130 Ditsopropyl ether(RIPE) ND 10 110 109 0 837 107 752 350 70 130 ' Ethyl tert-butyl ether(ETBE) ND 10 101 996 156 98 709 32 0 70 130 Methyl-t-butyl ether(MTBE) ND 10 113 110 275 107 75 7 344 70 130 Toluene ND t0 128 128 0 126 806 43 7 70 ! 130 ' %SS1 110 100 108 108 0 78 7 105 291 70 I 130 %SS2 96 1 100 973 971 0 162 98 969 1 17 70 130 ' %SS3 964 100 97 965 0 493 96 8 955 136 70 130 i All target compounds in the Method Blank of this extraction batch were ND less than the method lth with the following exceptions lie NONE I MS=Matrix Spike MSD=Matnx Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 'MS and/or MSD spike recovenes may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains signifleant concentrations of I 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels