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' 110 2nd Avenue South,4D7,Pacheco,CA 94553-5560 <br /> Mccampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> http llwww mecampbell com E-mail mainQmc=npbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0211391 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B SatchlD 5034 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound ----- - <br /> pg/L pg/L. % Rec %Rec %RPD % Rec % Rec %RPD Low High <br /> TPH(gas) NIA 60 NIA NIA N/A 112 101 104 80 120 <br /> MTBE N/A 10 NIA NIA NIA 975 917 617 80 120 <br /> ' Benzene N/A 10 NIA N/A NIA 103 923 113 80 120 <br /> Toluene N/A 10 NIA NIA N/A 107 93 5 13 8 80 120 <br /> ' Ethylbenzene NIA 10 NIA NIA NIA 107 926 145 80 120 <br /> Xylenes NIA 30 NIA N/A N/A 110 953 143 80 120 <br /> ' a/,SS NIA 100 N/A NIA N/A 904 976 3 is 80 120 <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 /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ' Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anatyte 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 /> analyte content <br /> %Recovery=100*(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)1(MS+MSD)*2 <br /> *MS and I or MSD spike recoveries may not be near 100%of the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> anatyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery <br />