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← Document results/DEP Box 04/524 1/24/02
Document / 103 pages

DEP form with redacted names, Jan 24 2002

Machine-extracted title · confidence 75%

Multi-page DEP form containing redacted personal names and references to site operations in January 2002.

NYC-WTC_000000423–000000525

Folder label: “524 1/24/02”

Page image
Scanned page image, NYC-WTC_000000524
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\02JAN24\1044D.D Vial: 18 Acq On : 25 Jan 2002 6:18 am Operator: 201-wb Sample : nyc 524 dup Inst : GC/MS Ins Misc : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Jan 25 14:36 2002 Quant Results File: HP010702.RES

Quant Method : C:\HPCHEM\1\METHODS\HP010702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Jan 25 14:13:49 2002 Response via : Initial Calibration DataAcq Meth : HP010702

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 15.16 114 848890 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.81 117 721764 5.00 ug/L -0.04 52) 1,4-DIFHUOROBENZENE-D4 26.99 152 283145 5.00 ug/L -0.04

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.39 65 568358 5.16 ug/L -0.04 Spiked Amount 5.000 Recovery = 103.20% 3) 4-BROMOFLUOROBENZENE 24.41 174 239111 4.16 ug/L -0.02 Spiked Amount 5.000 Recovery = 83.20% 25) TOLUENE-D8 18.52 98 1028168 5.35 ug/L -0.02 Spiked Amount 5.000 Recovery = 107.00%

Target Compounds Qvalue 5) CHLOROMETHANE 5.44 50 4585 0.11 ug/L 71 7) BROMOMETHANE 6.53 94 3751 0.14 ug/L 64 8) CHLOROETHANE 6.70 64 1640 0.07 ug/L 95 10) Isopropyl Alcohol 7.91 45 4355 4.74 ug/L 96 12) ACETONE 8.31 43 77402 7.03 ug/L 100 14) METHYLENE CHLORIDE, 9.65 49 41966 0.54 ug/L 96 18) 2-BUTANONE (MEK) 12.05 43 47327 3.03 ug/L 99 46) 2-HEXANONE 19.22 43 2876 0.18 ug/L 55

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1044D.D HP010702.M Fri Jan 25 14:36:15 2002 Page 1

NYC-WTC 000000524

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NYC-WTC_000000524Source: NYC Law Department, mirrored locally

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