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Document / 70 pages

WTC sample cover sheet, Dec 12 2001

Machine-extracted title · confidence 95%

Cover page for environmental sample records from December 12, 2001, associated with the World Trade Center site.

NYC-WTC_000001963–000002032

Folder label: “524 12/12/01

Page image
Scanned page image, NYC-WTC_000001976
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\01DEC4\29459.D Vial: 18 Acq On 5 Dec 2001 3:35 am Operator: 206-BH Sample : 524; Inst : GC/MS Ins Misc Multipir: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP120401.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 Nitrous Oxide Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. --------------------------------------------------------------------- 5.05 0.05 ug/L 9536 1,4-DIFLUOROBENZENE 14.39

Hit# of 5 Tentative ID MW MolForm CAS# Qual --------------------------------------------------------------------- 1 Nitrous Oxide 44 N20 010024-97-2 2 2 Acetaldehyde 44 C2H4O 000075-07-0 2 3 Ethyne, fluoro- 44 C2HF 002713-09-9 2 4 Carbon dioxide 44 CO2 000124-38-9 2 undance Scan 119 (5.045 min): 29459.D (-) m z 44.00 100.00

8000

6000

4000 4.60 4.80 5.00 5.20 5.40 78 m z 78.10 26.650 l/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 undance #62270: Nitrous Oxide 4

5000 30 4.60 4.80 5.00 5.20 5.40

16

—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 undance #62265: Acetaldehyde

44

5000 15

1 26 41 j I z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 undance #35: Eth ne, fluoro-

5000 31 25 13 I j i l l u IJI 1922 i j i u u u j ) i I I I h u ij I nfz—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85

29459.D HP121001.M Wed Dec 19 14:30:30 2001 Page 1

NYC-WTC 000001976

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

NYC-WTC_000001976Source: NYC Law Department, mirrored locally

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WTC sample cover sheet, Dec 19 2001 · Box DEP Box 04

NYC-WTC_000002237

Cover page for environmental sample records from December 19, 2001, associated with the World Trade Center site.

6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

machine-extracted · confidence unavailable · Check page ↗
WTC sample cover sheet, Dec 14 2001 · Box DEP Box 04

NYC-WTC_000002142

Cover page for environmental sample records from December 14, 2001, associated with the World Trade Center site.

6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

machine-extracted · confidence unavailable · Check page ↗
WTC sample cover sheet, Dec 13 2001 · Box DEP Box 04

NYC-WTC_000002034

Cover page for environmental sample records from December 13, 2001, associated with the World Trade Center site.

6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

machine-extracted · confidence unavailable · Check page ↗
WTC sample cover sheet, Dec 26 2001 · Box DEP Box 04

NYC-WTC_000002499

Cover page for environmental sample records from December 26, 2001, associated with the World Trade Center site.

7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

machine-extracted · confidence unavailable · Check page ↗
WTC sample cover sheet, Dec 28 2001 · Box DEP Box 04

NYC-WTC_000002742

Cover page for environmental sample records from December 28, 2001, associated with the World Trade Center site.

6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

machine-extracted · confidence unavailable · Check page ↗
WTC sample cover sheet, Nov 27 2001 · Box DEP Box 04

NYC-WTC_000001851

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

6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

machine-extracted · confidence unavailable · Check page ↗

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