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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 /> Website www mccampbell corn l-mail in,nni mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0409206 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 13146 Spiked Samplf- ID 0409206-013A <br /> Anaiyte <br /> Sample Spiked MS" MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> pg/L pg/L %Rec %Rec %RPD %Rec % Rec % RPD Low High <br /> 1 PH(btex)£ ND 60 91 1 91 7 0 635 898 984 917 70 130 <br /> MTBE ND 10 102 101 161 918 901 194 70 130 <br /> Benzene ND 10 98 6 978 0 788 975 965 105 70 130 <br /> Toluene ND 10 t00 994 0 991 90 6 90 9 0 346 70 130 <br /> Ethylbenzene ND 10 101 100 0 540 92 9 95 1 240 70 130 <br /> Xylenes ND 30 100 100 l 0 847 86 1 56 70 130 <br /> %SS 101 10 97 4 982 0 726 106 102 323 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <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'(LUIS- MSD)I((MS+MSD)12) <br /> "MS I MSD spike recoveries and 1 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 applicable or 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 /> anal a content <br /> DHS Certification No 1644 YT�QA/QC Officer <br />