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A (A <br /> �[ 110 2nd Avenue South ND7 Pacheco CA 94553 5560 <br /> T <br /> G9/�y McCampbell Analytical, In . telephone 925-796 1620 Fax 925 798 1622 <br /> Website www mccampbell cam E-mail mamQmccampbell com <br /> • <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0412516 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 14490 Spiked Sample ID 0492516-005A <br /> Analyte Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> NgIL pgIL % Rec %Rec % RPD %Rec % Rec % RPD "70- <br /> f70 <br /> 1 LCSD <br /> TPH(btex)£ ND 60 94 1 992 526 903 88 2 55 -130 <br /> MTBE ND 10 93 8 902 3 9l 896 865 3 51 <br /> Benzene ND 10 962 104 922 93 3 879 5 90 70- 130 70-130 <br /> Toluene ND 10 96 8 102 5 34 965 913 5 54 70-130 70 130 <br /> Ethylbenzene ND 10 107 106 1 46 98 9 944 466 70- 130 70-130 <br /> Xylenes ND 30 95 7 95 0 699 997 95 479 70- 130 70 130 <br /> %SS 102 10 j 113 111 226 100 98 2 60 70-130 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 /> 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)/((MS+MSD)!2) <br /> MS 1 MSD spike recoveries and/or°/RPD may fail 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 <br /> 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 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 />