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i <br /> •� SPL QUALITY CONTROL SUMMARY "+ PAGE I <br /> O <br /> ' Matrix: Soil Reported on: 09/13/94 12:43:20 <br /> Sampie ID: 9408076-29A Analyzed on: 09/08/94 07:14.00 <br /> {{ Batch ID: HP_5940908041500 Analyst: SLB <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 /> BTEX - Soft <br /> METHOD 8020 <br /> C 0 g P 0 U N D Sample Spike NS NSD Relative X <br /> Value Added X Recovery % Recovery Difference <br /> 1tg/K9 µg/Kg O a 0 <br /> ' Benzene HD 20 95 135 * 35 <br /> Toluene ND 20 90 * 135 * 40 <br /> EthyiBenzent ND 20 95 * 145 * 42 <br /> 1 0 Xylene NO 20 75 120 * 46 <br /> H 8 P Xylene 1 .0 40 78 122 * 45 <br /> 1 <br /> MOTES <br /> 0 column to be used to flap recovery and RPD values with an asterisk <br /> * values outside of QC Limits. <br /> Idel s Williams, QC Officer <br />