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← Document results/DEP Box 17/524 2/8/02 - 2/9/02
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VOC analysis results, sample AE02575, Feb 8 2002

Machine-extracted title · confidence 95%

Laboratory results for volatile organic compounds in sample AE02575 analyzed on February 8, 2002.

NYC-WTC_000019571–000019729

Folder label: “524 2/8/02 - 2/9/02”

←Page 64 of 159→
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NYC 9/11 Public Portal Document yucititaclon Report (Not Reviewed) Data File C:\HPCHEM\1\DATA\02 FEB08\2579.D Vial: 8 Acq On 8 Feb 2002 10:58 pm Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 13 9:41 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 15.11 114 1833689 5.00 ug/L 0.00 2 4) CHLOROBENZENE-D5 21.76 117 1774751 5.00 ug/L 0.00 52) 1,4-DICHLOROBENZENE-D4 26.95 152 800837 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.35 65 711615 5.10 ug/L 0.00 Spiked Amount 5.000 Recovery = 102.00% 3) 4-BROMOFLUOROBENZENE 24.35 174 635085 4.61 ug/L 0.00 Spiked Amount 5.000 Recovery = 92.20% 25) TOLUENE-D8 18.47 98 2250637 5.11 ug/L 0.00 Spiked Amount 5.000 Recovery = 102.20% Target Compounds Qvalue 12) ACETONE 8.27 43 66322 5.26 ug/L 97 14) METHYLENE CHLORIDE 9.63 49 45354 —O'.43' ug/L — 92 15) METHYL TERT BUTYL ETHER 9.94 73 11826 0.10 ug/L 92 18) 2-BUTANONE (MEK) 12.01 43 106925 3:72 ug/L 97 21) CHLOROFORM 12.83 83 10903 0.08 ug/L 94

(#) = qualifier out of range (m) = manual integration 2579.D HP021102.M Wed Feb 13 09:41:19 2002 Page 1

NYC-WTC_000019634

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NYC-WTC_000019634Source: NYC Law Department, mirrored locally

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