VOC analysis results, sample AE02575, Feb 8 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File C:\HPCHEM\l\DATA\02FEB08\2710.D Vial: 12 Acq On 9 Feb 2002 1:51 am Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 13 9:43 2002 Quant Results File: HP021102.RES Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Mon Feb 11 15:54:13 2002 Response via : Initial Calibration DataAcq Meth : HP020502

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-DIFLUOROBENZENE 15.10 114 1960634 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.74 117 1905983 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE -D4 26.93 152 846058 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 777781 5.21 ug/L -0.02 Spiked Amount 5.000 Recovery = 104.20% 3) 4-BROMOFLUOROBENZENE 24.34 174 678292 4.60 ug/L -0.02 Spiked Amount 5.000 Recovery = 92.00% 25) TOLUENE-D8 18.45 98 2419941 5.12 ug/L -0.02 Spiked Amount 5.000 Recovery = 102.40% Target Compounds Qvalue 12) ACETONE 8.25 43 40884 3.03 ug/L 99 14) METHYLENE CHLORIDE 9.61 49 46789 94 15) METHYL TERT BUTYL ETHER 9.93 73 13906 0.11 ug/L 84 18) 2-BUTANONE (MEK) 12.00 43 117028 3.01 ug/L 96 21) CHLOROFORM 12.82 83 8092 0.06 ug/L 85 73) 1,2,3-TRICHLOROBENZENE. 33.48 180 13217 0.23 ug/L 81

. I'

(#) = qualifier out of range (m) = manual integration 2710.D HP021102.M Wed Feb 13 09:44:00 2002 Page 1

NYC-WTC_000019664