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110 2nd Avenue South,#137 Pacheco CA 945$3-5560 <br /> McCampbell Analytical Inc Telephone 925 79&1620 Fax 925-799-1622 <br /> 2*- http 1/www mccampbell corn E-mail main r@mccampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0310498 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 9155 Spiked Sample ID 0310492-007A <br /> Sample Spiked MS" MSD' MS-MSD LCS LCSO LCS-LCSD Acceptance Cntena(%) <br /> pg/L lig/L %Rea %Rec %RPD %Rec %RPD Low High <br /> Benzene ND 10 115 116 0 684 115 117 225 70 130 <br /> Toluene ND 10 Iii 113 214 113 112 0 670 70 130 <br /> %SSI 104 100 104 106 127 IO2 102 0 70 I 130 <br /> %SS2 95 9 100 95 4 956 0 280 L;;L991'9 <br /> 0 230 70 i 130 <br /> %SS3 100 100 993 100 2 17 136 70 i 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 /> MS=Matx 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)'2 <br /> 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 <br /> analyte relative to the amount spiked,or b)If that specific sample matrix interferes with spike recovery <br /> NIA=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 /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />