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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell.Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> Ih Jlwww mxarripbell com E-rnad ma ca bell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0312192 <br />' EPA Method SW8260B Extraction SW5030B Batch]D 9631 Spiked Sample ID 0312195-005B <br /> Sample Spiked MS` MSD` MS-MSD" LCS LCSD CS-LCSD Acceptance Cntena(%) <br />' pg/L Ng/L %Rec %Rec %RPD % Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 889 898 102 804 819 186 70 130 <br />' Benzene ND 10 111 111 0 877 901 260 70 130 <br /> t-Butyl alcohol(TBA) ND 50 80 1 848 566 839 963 138 70 130 <br /> Dusopropyl ether(DIVE) ND 10 123 125 0 959 893 929 386 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 978 989 105 814 939 300 70 1.30 <br /> Methyl-t-butyl ether(MTBE) 080 10 984 981 0 332 884 898 157 70 130 <br />' Toluene ND 10 108 106 208 989 100 153 70 130 <br /> %SSI 108 100 105 105 0 942 944 0 144 70 130 <br />' %SS2 871 100 947 949 0 223 987 999 1 15 70 130 <br /> %SS3 902 1 100 93 7 1 93 3 0 419 j 103 103 0 70 130 <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 /> r <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)/(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)12) <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 /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> . 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 <br /> analyte content <br /> Laborer extraction solvents such as methylene chlonde and acetone may occasionally apptar in the method blank at low levels <br /> I <br />