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r <br /> • SPL QUALITY CONTROL SUMMARY •• PAGE 1 <br /> Matrix: Soil Reported on: 09/26/94 14.21.01 <br /> Sample ID: 9409105-02A Analyzed on: 09/09/94 17.15:00 <br /> Batch ID: VARD940909133800 Analyst: DAO <br /> This sample was randomly selected for use in the SPL quality control <br /> program. Samples chosen are fortified with a known concentration <br /> in duplicate The results are as follows: <br /> f� BTEx - Sotl <br /> METHOD 8020 <br /> C 0 p P 0 U N D Sample Spike MS MSD Relative X <br /> Value Added % Recovery X Recovery Difference <br /> {� <br /> Benzene !L9/Kg Ag/Kg 0 0 0 <br /> I ND 20 120 105 ^ 13 <br /> Toluene ND 20 120 100 ' 18 <br /> EthyLSenzene ND 20 130 105 " 21 <br /> O Xylene ND 20 125 100 22 <br /> M & P Xylene ND 40 122 98 22 <br /> r� <br /> NOTES <br /> P column to be used to flag recovery and RPD values with an asterisk <br /> ' values outside of QC Limits <br /> tl� <br /> Idelis W lliams, QC Officer <br />