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GD Air Testing Inc. www. gdair.com <br /> CLIENT Paul Anderson GD Air Testing Lab ID GD05-00080-003 <br /> Philip Environmental Report Date 03/02/05 <br /> 210 West Sand Bank Road Date Analyzed 03/02/05 <br /> ' Columbia, IL 62236 Analyzed by LAJ <br /> GD Air QC Batch QC-030205BTX <br /> Project No C234841517 Method EPATO14 <br /> ' REPORT OF ANALYTICAL RESULTS Page 1 of 1 <br /> ' SAMPLE DESCRIPTION MATRIX SAMPLE BY SAMPLED DATE /RECEIVED <br /> GAC-2 Air Sal Mendoza 03/01/05 03/02/05 <br />' CONSTITUENT MW CAS PQL" RESULT NOTE <br /> ppmv ppmv mg/cu M <br /> VOLATILE ORGANICS BY EPA TO-14 <br />' Benzene 78 0 71432 0 004 0 011 0 035 <br /> Ethylbenzene 106 100411 0 004 0 008 0 036 <br /> Toluene 92 0 108883 0 004 0.053 0 199 <br /> m&p-Xylenes 106 1330207 0 004 0 033 0 143 <br /> o-Xylene 106 95476 0 004 0 012 0 052 <br /> TPH as Gasoline 860 0 010 1 65 580 <br /> Surrogate Recovery Report Spiked Found R% <br />' ppbv ppbv <br /> 1,4-Difluorobenzene (SS1) 1181 540363 500 499 998 <br /> Bromofluorobenzene (SS2) 175 460004 500 507 101 <br /> t *Comparison with the method blank this sample run with a dilution factor of 200 <br /> NA <br />' "RESULTS Listed as 'ND'were not detected at or above the listed PQL (Practical Quantitation Limit) <br /> * The control limit for Surrogate Recovery%of all spiked compound is 70%-130% Only one is required to pass <br /> "Concentrations in ug/cu M reported at 760 mm Hg pressure and 298 deg K <br /> 'QA/QC reports followed this report include Method blank, Blank spike (BS)and Blank spike duplicate (BSD) <br /> Respectfully submitted <br /> GD Air Testing, Inc <br /> rr �rr Ty ' <br /> George Dai, Ph D <br />' Laboratory Director <br /> Data File gd5973 x1030205 8/03020512 D <br /> Report File GD SRIID 1Rpt02-TO14\GD05-00080-003 <br /> 1 <br /> 903 N Bowser ltd , Suite 200, Richardson, TX 75081, USA `t el (972) 480-8908 - Fax (972) 480-8308 <br />