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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_000000518
OCR text

OCR status: ok · source: pdftotext

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

Data File : C:\HPCHEM\1\DATA\02JAN24\1405.D Vial: 17 Acq On : 25 Jan 2002 5:34 am Operator: 201-wb Sample : nyc 524 Inst : GC/MS Ins Misc : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Jan 28 11:21 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 843255 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.81 117 722920 5.00 ug/L -0.03 52) 1,4-DICHLOROBENZENE-D4 27.01 152 284334 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.39 65 562990 5.14 ug/L -0.03 Spiked Amount 5.000 Recovery = 102.80% 3) 4-BROMOFLUOROBENZENE 24.41 174 226718 3.97 ug/L -0.02 Spiked Amount 5.000 Recovery = 79.40% 25) TOLUENE-D8 18.52 98 1015161 5.27 ug/L -0.02 Spiked Amount 5.000 Recovery = 105.40%

Target Compounds Qvalue 5) CHLOROMETHANE 5.72 50 2604 0.06 ug/L 81 6) VINYL CHLORIDE 5.60 62 3768 0.11 ug/L 83 7) BROMOMETHANE 6.66 94 4107 0.15 ug/L 80 8) CHLOROETHANE 6.73 64 2725 0.11 ug/L 97 10) Isopropyl Alcohol 7.98 45 3577 3.92 ug/L 81 12) ACETONE 8.31 43 94319 8.63 ug/L 95 14) METHYLENE CHLORIDE S1 9.67 49 42997 0.55 ug/L 90 18) 2-BUTANONE (MEK) 12.05 43 48900 3.17 ug/L 95 46) 2-HEXANONE 19.27 43 3038 0.19 ug/L 75

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1405.D HP010702.M Mon Jan 28 11:21:56 2002 Page 1

NYC-WTC 000000518

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NYC-WTC_000000518Source: NYC Law Department, mirrored locally

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