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Document / 111 pages

Volatile organic compounds analysis results, March 25, 2002

Machine-extracted title · confidence 95%

Laboratory report detailing analytical results for volatile organic compounds in sample AE06981 collected on March 25, 2002.

NYC-WTC_000022304–000022414

Folder label: “524 3/25/02

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Scanned page image, NYC-WTC_000022371
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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\l\DATA\02MAR25\7105.D Vial: 12 Acq On : 26 Mar 2002 12:06 am Operator: 201-wb Sample : nyc Inst : GC/MS Ins Mise : Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Mar 29 8:43 2002 (Quant Results File: HP031802.RES

Quant'Method C:\HPCHEM\1\NETHODS\HP031802.M (RTE Integrator) Title VOCs BY EPA METHOD 524 Last Update Thu Mar 28 14:51:00 2002 Response via Initial Calibration DataAcq Meth HP031802

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-DIFLUOROBENZENE 15.05 114 1269247 5.00 ug/L 0.00 24) CHLOROBENZENE-D5 21.69 117 1174177 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.88' 152 539135 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.27 65 632243 6.05 ug/L -0.02 Spiked Amount 5,000 Recovery = 121.00% 3) 4-BROMOFLUOROBENZENE 24.28 174 472073 4.60 ug/L -0.02 Spiked Amount 5.000 Recovery = 92.00% 25) TOLUENE-D8 18.39 98 1480575 5.21 ug/L -0.02 Spiked Amount 5.000 Recovery = 104.20%

Target Compounds Qvalue 12) ACETONE 8.21 43 14962 2.20 ug/L 91 18) 2 -BUTANONE (MEK) 11.97 43 2551 0.27 ug/L 54 46) 2-HEXANONE 19 -14 43 685 0.05 ug/L 27

(#) = qualifier out of range (m) = manual integration 7105.D HP031802.M Fri Mar 29 08:44:13 2002 Page 1

NYC-WTC_000022371

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NYC-WTC_000022371Source: NYC Law Department, mirrored locally

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