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Document / 261 pages

WTC sample cover sheet, Dec 19 2001

Machine-extracted title · confidence 95%

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

NYC-WTC_000002237–000002497

Folder label: “524 12/19/01

Page image
Scanned page image, NYC-WTC_000002257
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\01dec19\30111.D Vial: 6 Acq On : 19 Dec 2001 3:43 pm Operator: 206-BH Sample : nyc Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP121001.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 3-Cyclobutene-1,2-dione, 3,4-d Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. --------------------------------------------------------------------- 15.09 0.04 ug/L 14618 1,4-DIFLUOROBENZENE 14.44

Hit# of 5 Tentative ID MW MolForm CAS# Qual --------------------------------------------------------------------- 1 3-Cyclobutene-1,2-dione, 3,4-dihydr 114 C4H204 002892-51-5 4 2 3-Pentanone, 2,4-dimethyl- 114 C7H140 000565-80-0 3 3 4-Heptanone 114 C7H140 000123-19-3 3 4 .i-nexanone, 2-metnyl- 114 C7H14O 007379-12-6 3 Abundance Scan 709 (15.086 min): 30111.D(.) m/z 114 05 100. 00% 14

5000

44 63 4 SO 14.80 15.00 15.20 15.40 I I I I i —88 m z 43.95 27.490 nlz-> 10 20 30 40 50 60 70 80 90 100 110 120 undance #2826: 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- a 20 58

114 14.80 15.00 15.20 15.40 86 m z 63.00 24.300 17 68 60 70 80 100 110 3-Pentanone, 2,4-dimethyl-

14.80 15.00 15.20 15.40 71 m/z 49.9.0 18.61%

27 i 114

60 70 80 90 100 110 120 51: 4-Heptanone 15.00 1 71

5000 27

114 15 58 86 99 -> 10 20 30 4 60 70 80 90 100 110 120

30111.D HP121001.M Wed Dec 19 16:23:26 2001 Page 1

NYC-WTC 000002257

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NYC-WTC_000002257Source: NYC Law Department, mirrored locally

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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 0.999

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 0.999

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 0.999

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 0.999

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

NYC-WTC_000002616

Cover page for environmental sample records from December 27, 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, 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 0.998

machine-extracted · confidence unavailable · Check page ↗

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