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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_000000484
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Lompound Repuic

Data File : C:\HPCHEM\1\DATA\02JAN24\1230BF.D Vial: 9 Acq On : 24 Jan 2002 11:49 pm Operator: 201-wb Sample : nyc 524 field bl Inst : GC/MS Ins Misc : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP010702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 1-Propene, 2-methyl- Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T.

10.45 0.41 ug/L 202679 1,4-DIFLUOROBENZENE 15.19

Hit# of 5 Tentative ID MW MolForm CAS# Qual --------------------------------------------------------------------- 1 1-Propene, 2-methyl- 56 C4H8 000115-11-7 38 2 Hexane 86 C6H14 000110-54-3 35 3 1-Butene 56 C4H8 000106-98-9 32 )thiocyanato- 115 (.5H9. UU4426-/3-j 25 Scan 376 (10.451 min): 1230BF.D (-) m/z 41.05 100.00%

57

5000

67 35 51 79 86 101 108 125 10.20 10.40 10.60 10.80 m/z 43.05 75.73% > 10 20 40 50 60 70 80 90 100 110 120 idance #78:1-Propene, 2-methyl-

5000 10.20 10.40 10.60 10.80 27 m/z 57.20 72.53% 15

100 110 1 #62874: Hexane

43 10.20 10.40 10.60 10.80 m z 56.20 59.58%

86 71

1 20 30 40 50 60 70 80 110 120 1 #62309: 1-Butene 10.20 10.40 10.60 10.80 I i7z 39.05 46.77%

56 27

15 i .I 49 100 110 1 10.20 10.40 10.60 1

1230BF.D HP013102.M Fri Feb 01 10:43:28 2002 Page 1

NYC-WTC 000000484

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000000484Source: NYC Law Department, mirrored locally

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Cover page for environmental sample records from November 27, 2001, associated with the World Trade Center site.

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