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rl � <br /> 110 2nd Avenue South t1D7,Pacheco CA 94553-5560 <br /> Telephone 925-798 1620 Fax 925 798-1622 <br /> McCampbell Analytical Inc <br /> bttp//www mccampbell com E-mail mainrnceanipbell corn <br /> QC SUMMARY REPORT FOR SW8021 B/8015Cm <br /> Matrix A WorkOrder 0306494 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 7495 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)£ NIA 60 NIA N/A N/A 11I 110 0140 70 130 <br /> MTBE N/A 10 N/A N/A NIA 101 101 0 70 130 <br /> Benzene N/A 10 NIA NIA NIA 104 105 0 288 70 130 <br /> Toluene NIA 10 NIA NIA N/A 955 979 241 70 130 <br /> Ethylbenzene NIA 10 N/A N/A N/A 104 105 1 12 70 130 <br /> Xylenes NIA 30 NIA N/A N/A 957 100 443 70 130 <br /> %SS N/A 100 N/A N/A N/A 101 101 0 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method AL with the following exceptions <br /> NONE <br /> MS=Matnx Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> Recovery=100'(MS-Sample)1(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> MS and 1 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 specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak cnelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for valor matrix or sample diluted due to high matrix or <br /> lanalyte content <br />