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110 2nd Avenue South ID7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone. 925 798 1620 Fax 925 798-1622 <br /> Website www mLcamphell cam E-mail main®mceanipbell com <br /> QC SUMMARY REPORT FOR SW8021B/801SCm <br /> I <br /> Matrix W WorkOrder 0409233 <br /> EPA Method SW8021BI8015Cm Extractmil SW5030B Batchll 13167 Spiked Sample ID 0409228-005A� <br /> Sample Spiked MS* MSD* SMS-MSD" LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br /> Analyte _ I _ <br /> pg/L pg/L °/a Rec % Rec % RPD %Rec % Rec %RPD Low High <br /> TPH(btex)£ ND 60 98 1 984 0 308 972 103 530 70 130 <br />' M 1131, ND l0 88 87 5 0 573 951 102 7 17 70 130 <br /> Bt,nzene ND 10 100 99 1 0 980 101 104 299 70 130 <br /> Toluene ND 10 946 95 0 362 957 99 1 351 70 130 <br /> Ethyibenzene ND 10 101 100 1 33 102 103 0 535 70 130 <br /> Xyit,nes ND 30 91 90 7 0 367 91 907 1 0.361 70 130 <br /> %SS 100 10 103 102 l 21 103 109 609 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 /> I NONh <br /> li <br /> I <br /> I <br /> I <br /> I <br /> WIS=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 I MSD spike recoveries and 1 or%RPO may fall outside of laboratory acceptance czitena due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains sogniflcant 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 /> I #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 /> I NR=analyte concentration in sample exceeds sprke amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> janalyte content <br /> DHS Certification No 1644 QA/QC Officer <br /> I <br />