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GD Air Testing Inc. www, gdair.com <br /> CLIENT Paul Anderson GD Air Testing Lab ID GD05-00432-002 <br /> Philip Environmental Report Date 12/14/05 <br /> 210 West Sand Bank Road Date Analyzed 12114/05 <br /> Columbia, IL 62236 Analyzed by LAJ <br /> GD Air QC Batch QC-121405BTX <br /> Project No 62401510 Method EPAT014 <br /> REPORT OF ANALYTICAL RESULTS Page 1 of 1 <br /> SAMPLE DESCRIPTION MATRIX SAMPLE BY SAMPLED DATE /RECEIVED <br /> GAC-1 Air Chris Mitchell 12/13/05 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 /> IToluene 920 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 /> I*PH as Gasoline 860 0 010 ND ND <br /> Surrogate Recovery Report Spiked Found R% <br /> ppbv ppbv <br /> 1,4-DiFluorobenzene (SS1) 1181 540363 500 447 89 4 <br /> Bromofluorobenzene (SS2) 175 460004 500 568 1136 <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 /> "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 /> A' <br /> f-Y- br- 1 <br /> George Dai, Ph D <br /> Laboratory Director <br /> ata File gd5973 11121405 6/12140507 D <br /> Report File GD SRI1D 1Rpt02-TO141GD05-00432-002 <br /> �03 N Bowser Rd , Suite 200, Richardson, TX 75081, USA Tel (972) 480-8908 - Fax (972) 480-8308 <br />