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Document / 116 pages

WTC sample cover sheet, Dec 26 2001

Machine-extracted title · confidence 95%

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

NYC-WTC_000002499–000002614

Folder label: “524 12/26/01

Page image
Scanned page image, NYC-WTC_000002595
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document t ut

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Data File : C:\HPCHEM\1\DATA\01dec26\31277.D S Vial: 17 Acq On : 27 Dec 2001 1:26 am Operator: 206-BH Sample : 524 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 3 3-Cyclobutene-1,2-dione, 3,4-d Concentration Rank 3

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

15.14 0.03 ug/L 8170 1,4-DIFLUOROBENZENE 14.49

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 3-Hexanone, 2-methyl- 114 C7H140 007379-12-6 3 undance Scan 713 (15.137 min): 31277.D (-) m z 114.05 100. 00°6 14

8000

6000

4000 14.80 15.00 15.20 15.40 m z 44.00 30.170 —> 10 20 30 40 50 60 70 80 90 100 110 120 undance #2826: 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- 58

5000 114 14.80 15.00 15.20 15.40 86 m/z 62.90 29.48% 17 40 68

10 20 30 40 50 60 70 80 90 100 110 120 undance #64142: 3-Pentanone, 2,4-dimethyl- 44

14.80 15.00 15.20 15.40 5000 71

27 114 55 —> 10 20 30 40 50 60 70 80 90 100 110 120 undance #3002:4-Heptanone

71

5000 27

15 58 114 37 86 99 II ri/z—> 10 20 30 40 50 60 70 80 90 100 110 120

31277.D HP121001.M Thu Dec 27 02:06:26 2001 Page 3

NYC-WTC 000002595

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NYC-WTC_000002595Source: 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.

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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.

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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.

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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

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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 0.999

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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