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1102nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> Nk&a Abell Analyti.Cal Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccatnpbell coq E-mad niai�� <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0310445 <br /> EPA Method SW8021B/8015Crn Extraction SW5030B BatchlD 9111 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg/L pg/L % Rec % Rec % RPD % Rec % Rec %RPD Low High <br /> TPH(btex)£ N/A 60 NIA N/A N/A 119 109 895 70 130 <br /> MT13h N/A 10 NIA N/A N/A 105 103 123 70 130 <br /> Benzene N/A 10 NIA N/A N/A 108 113 407 70 130 <br /> Toluene N/A 10 N/A N/A NIA 105 107 219 70 130 <br /> Ethylbenzene N/A 10 NIA N/A N/A 113 114 124 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 107 103 3 17 70 130 <br /> %SS N/A 100 NIA N/A N/A 103 106 3 26 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 and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that speafic sample matnx interferes with 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 /> anal a content <br />