DEP document fragment, February 2002

Machine-extracted title · confidence 50%

Fragmented document page from DEP Box 17 folder dated early February 2002 containing illegible text and sample identifiers.

NYC-WTC_000019326–000019420

Folder label: “524 2/5/02 - 2/6/02”

Page image

OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\02feb05\2085D.D Vial: 11 Acq On : 6 Feb 2002 1:33 am Operator: 2 01-wb Sample : 524 nyc dup Inst : GC/MS Ins— Mise : February 5, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P -in Quant Method : C:\HPCHEM\1\METHODS\HP020502.M (RTE Integrator) -diti i Title : VOCs BY EPA METHOD 524 — Library : C:\DATABASE\NBS75K.L Peak Number 4 Benzene, 1,3-difluoro- Concentration Rank 5

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

15.77 0.04 ug/L 44031 1,4-DIFLUOROBENZENE 15.11

Hit# of 5 Tentative ID MW MolForm CAS# Qual _

1 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 72 2 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 38 3 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 9 4 2-Imidazolidinone, 1,3-dimethyl- 114 C5H10N2O 000080-73-9 7 Abundance Scan 683 (15.774 min): 2085D.D (-) m/z 114.15 100.00% 1 4

5000 88 50 57 63 • ■ i ‘ ‘ i ' romnine 1540 15.60 15.80 16.00 16.20 -it 44 m/z 88.00 27.60% ' ■ i ■ ■ ■ ■ i •'111 ■ ■111 ■ ■11 • ■ i• • ■ i •1 *l•••>। • j»> > • । • • • • । • ■ i"' ■ i ■11 ■ i ■ ■ ■ ■ i' ■ • ■ i'' ‘ ■ ■'' i'' ‘ ■ i nz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 Abundance #2865: Benzene, 1,3-difluoro- 1 4

5000 63 15.40 15.60 15.80 16.00 16.20 88 m/z 63.05 21.48% — 50 57 75 81 94 nTTT37 1 I tmmmnphnp mHTTT fm Wz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 Abundance #2864: Benzene, 1,4-difluoro- 1 4 TT Ir 15.40 15.60 15.80 16.00 16.20 5000 m/z 56.95 15.36% 63

50 57 88 mTTT 37 | 8,1 94 ■11 ■ ■ ■ ■ । ■ ■ •111 ■ ■ ■ ।' ■ ‘ i ■'111 ■ ■ ■ ■ i' • ■ ■ i'1 ■ ■ i ■ ■1 ' i‘ ■" i mtz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 Abundance #64096: Benzene, 1,2-difluoro- - 1 4 15.40 15.60 15.80 16.00 16.20 m/z 50.05 14.22% 5000

63 88 37 50 57 “ i ‘1' ■ i' ■ ■ ■ i ■ ■1 • I ‘ “ ■ i ■1'11 '■ i‘ 94 TInpuot 75 miz—> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 15.40 15.60 15.80 16.00 16.20

2085D.D HP020502.M Wed Feb 06 02:13:07 2002 Page 4

NYC-WTC_000019404

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NYC-WTC_000019404Source: NYC Law Department, mirrored locally

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