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� � S <br /> ** SPL QUALITY CONTROL SUMMARY ** PAGE I <br /> Matrix Aqueous Reported on 06/28/94 08 29 04 <br /> Sample ID 9406769-02A Analyzed on 06/26/94 17 03 00 <br /> Batch ID_ HP N940626142800 Analyst: LFD <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-Water <br /> METHOD 8020*** <br /> Spike MS MSD Relative <br /> C OMPOUPID Sample p <br /> Value Added k Recovery V Recovery Difference <br /> µg/L Mg/L # # # <br /> Benzene ND 20 110 95 15 <br /> Toluene ND 20 110 90 20 <br /> EthylBenzene ND 20 105 90 15 <br /> O Xylene ND 20 105 95 10 0 <br /> M & P Xylene ND 40 110 95 15 <br /> i <br /> ' I <br /> f <br /> I <br /> NOTES <br /> ' I <br /> , <br /> I <br /> #, column to be used to flag recovery and RPD values with an asterisk <br /> I <br /> *1values outside of QC Limits <br /> � I <br /> lip i t I II <br /> i I I <br /> Idelis Will ia QC Officer <br /> I I I <br /> 1 ' ' <br />