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*+ SPL QUALI'T'Y CONTROL SUMMARY ** PAGE 1 <br /> Matrix Aqueous Reported on 05/16/94 09 05 11 <br /> Sample ID 9405343-OIA Analyzed on- 05/14/94 14 12 00 <br /> Batch ID VARJ940514141200 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 /> C O M P O U N D Sample Spike MS MSD Relative %- <br /> value Added 7; Recovery is Recovery Difference <br /> pg/L µg/L # # # <br /> BENZENE ND 20 82 93 13 <br /> TOLUENE ND 20 81 92 13 <br /> ETHYLBENZENE ND 20 80 90 12 <br /> O XYLENE ND 20 71 76 7 <br /> M & P XYLENE ND 40 73 80 9 <br /> I <br /> r <br /> I ' c <br /> ' <br /> i v I <br /> I <br /> NOTES <br /> I <br /> # column to be used to flag recovery and RPD values with an asterisi <br /> + values outside of QC Limits <br /> .I <br /> I <br /> 1 <br /> I I II I 'I !I I � ��✓4 I � /��� I I � II II i� f I I� I �41i I II I I i I I i <br /> Idelil Williams, QC Officer I , I <br />