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I 10 2nd Avenue South #D7 Pacliew CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925 798-1622 <br /> Website www mccampbell com E mad main@mccampbcll coin <br /> QC SUMMARY REPORT FOR SW8021S18015Cm <br /> W O Sample Matrix Soil OC Matrix Soil WorkOrder 0411097 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 13841 Spiked Sample ID 0411089-009A <br /> Analyte Sample Spiked MS* MSD* MS MSD* LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> mg/Kg mglKg % Rec %Rec %RPD %Rec % Rec %RPD MS!MSD I !LCSD <br /> TPFI(btex)e ND 060 954 101 621 96 8 100 371 70- l 3() 70- 130 <br /> MTBE ND 010 93 6 963 277 102 107 393 70-130 70-130 <br /> Berimne ND 0 l0 93 102 930 99 8 107 670 70-130 70 130 <br /> I oluene ND 0 10 778 851 8 96 81 1 88 820 70- 130 70-130 <br /> Ethylbenzene ND 010 96 104 8 10 972 106 866 70- 130 70-130 <br /> Xylenes ND 030 86 91 3 602 863 957 103 1 70-130 70 130 <br /> I <br /> %SS 93 010 94 107 13 1 104 IN 0 70- 130 70 130 <br /> I <br /> All taiget compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONL <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)I(Amount Spiked) RPD=100*(MS MSD)/((MS+MSD)12) <br /> *MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <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 /> DHS Certification No 1644 QA/QC Officer <br />