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GD Air Testing Inc. www. gdaincom <br />! CLIENT Paul Anderson GD Air Testing Lab ID GD05-00432-003 <br /> Philip Environmental Report Date 12/14/05 <br /> 210 West Sand Bank Road Date Analyzed 12/14/05 <br /> Columbia, IL 62236 Analyzed by LAJ <br /> GD Air QC Batch QC-121405BTX <br />' Protect No 62401510 Method EPAT014 <br /> REPORT OF ANALYTICAL RESULTS Page 1 of 1 <br /> SAMPLE DESCRIPTION MATRIX SAMPLE BY SAMPLED DATE/RECEIVED <br /> GAC-2 Air Chris Mitchell 12/13105 12/14105 <br /> CONSTITUENT MW CAS PQL* RESULT NOTE <br /> ppmv ppmv mg/cu M <br /> VOLATILE ORGANICS BY EPA TO-14 <br /> Benzene 780 71432 0 004 ND ND <br /> Ethylbenzene 106 100411 0 004 ND ND <br /> Toluene 92 0 108883 0 004 ND ND <br /> m&p-Xylenes 106 1330207 0 004 ND ND <br /> o-Xylene 106 95476 0 004 ND ND <br /> W H <br /> as Gasoline 86 0 0 010 ND ND <br /> Surrogate Recovery Report Spiked Found R% <br /> ppbv ppbv <br /> 1,4-Difluorobenzene (SS1) 1181 540363 500 4 59 91 8 <br /> Bromofluorobenzene (SS2) 175 460004 500 541 1082 <br /> *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 /> *QAIQC reports followed this report include Method blank, Blank spike (BS) and Blank spike duplicate (BSD) <br /> Respectfully submitted <br /> GD Air Testing, Inc <br /> A� -61-d�rr, &x� <br /> George Dai, Ph D <br /> Laboratory Director <br /> ata File gd5973 i1121405 8/12140508 D <br /> eport File GD SRIID IRpt02-TO14\GD05-00432-003 <br /> 103 N Bowser Rd , Suite 200, Richardson, TX 75081, USA Tel (972) 480-8908 Fax (972) 480-8308 <br />