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Document / 66 pages

Volatile organic compound analysis results, sample AD28269, Nov 2001

Machine-extracted title · confidence 100%

Laboratory report listing recovery percentages for volatile organic compounds in sample AD28269 from November 20, 2001.

NYC-WTC_000001513–000001578

Folder label: “524 11/20/01

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Scanned page image, NYC-WTC_000001565
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\01nov21\28323.D Vial: 13 Acq On : 21 Nov 2001 5:05 pm Operator: 201-wb Sample : 524 nyc Inst : GC/MS Ins Misc : November 21, 2001 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Nov 21 17:43 2001 Quant Results File: HP110701.RES

Quant Method : C:\HPCHEM\1\METHODS\HP110701.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Thu Nov 08 08:26:02 2001 Response via Initial Calibration DataAcq Meth : HP110701

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

1) 1,4-DIFLUOROBENZENE 15.14 114 683440 5.00 ug/L 0.02 24) CHLOROBENZENE-D5 21.79 117 585551 5.00 ug/L 0.02 52) 1,4-DICHLOROBENZENE-D4 26.97 152 254551 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.37 65 426547 4.83 ug/L 0.02 Spiked Amount 5.000 Recovery = 96.60% 3) 4-BROMOFLUOROBENZENE 24.37 174 204072 3.89 ug/L 0.02 Spiked Amount 5.000 Recovery = 77.80% 25) TOLUENE-D8 18.48 98 810036 5.01 ug/L 0.02 Spiked Amount 5.000 Recovery = 100.20%

Target Compounds Qvalue 5) CHLOROMETHANE 5.50 50 3275 0.14 ug/L 91 10) Isopropyl Alcohol 7.79 45 2457 3.44 ug/L 73 12) ACETONE 8.29 43 12461 1.48 ug/L 88 18) 2-BUTANONE (MEK) 12.04 43 2293 0.25 ug/L 66 46) 2-HEXANONE 19.36 43 870 0.08 ug/L 33

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 28323.D HP110701.M Wed Nov 21 17:43:35 2001 Page 1

NYC-WTC 000001565

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NYC-WTC_000001565Source: NYC Law Department, mirrored locally

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