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r110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> 4 McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> hnp Ilwww mccampbell com E mail mal r@mccampbell coni <br /> r <br /> QC SUMMARY REPORT FOR SW8260B <br /> r <br /> Matrix W WorkOrder 0209418 <br />' EPA Method SW8260B _ Extraction SW5030B BatchlD 4140 Spiked Sample ID 0209434-003B <br /> Sample I Spiked MS* MSD' IMS-MSD"I LCS LCSD lLCS-LCSDIAcceptance Criteria(°k) <br /> Compound L - <br />' Ng/L dig/L I % Rec I %Rec % RPD % Rec %Rec %RPD Low High <br /> Benzene ND 10 103 104 125 I 108 107 1 1$ 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10-- 915 946 T 333 107 105 232 70 I 130 <br /> -- - - 4- - - ---- -----�- - ---- , --- - <br />' Toluene - ND ' �10 91 1 i 924 1 46 961 9560533 70 130 <br /> - L - - 4-- - <br /> %oSSI- ---`__ —102 -100 - --98 982- 0252 979 978 1 0100 % 70-- i -1311 -- <br />' %SS2 -- - - 103 100 994 i 994 000845 i 101 -101 -i 00139 70 130 <br /> 4- <br /> %SS3 950 100 106 I 107 -0 451 102 103 1 0 944 ! 70 1 130 <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 /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relabve Percent <br />' Deviation <br /> N/A=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 /> %Recovery=100`(MS-Sample)1(Amount Spiked),RPD=100.(MS-MSD)1(MS+MSD)"2 <br /> MS and 1 or MSD spike recoveries may not be near 10091.or the BPDs 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 />