DEP document fragment, February 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\02FEB05\1937.D Vial: 4 Acq On 5 Feb 2002 8:30 pm Operator: 201-wb Sample : 524 nyc Inst : GC/MS Ins Mise : February 5, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\HP020502.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 Benzene, 1,3-difluoro- Concentration Rank 7

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

15.78 0.05 ug/L 51912 1,4-DIFLUOROBENZENE 15.11

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 59 2 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 50 3 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 45 4 Sydnone, 3,4-dimethyl- 114 C4H6N2O2 _____ 004007-18-5 9 Abundance Scan 683 (15.776 min): 1937.D (-) m/z 114.05 100.00% 1 4

5000 63 88 40 50 57 15.40 15.60 15.80 16.00 16.20 mmmmm • i • ‘ ' i11' ■ i ■ ■ ■ ■ i" m/ z 63.0.5 26.72% mlz-> 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 23.59%| 50 57 37 ■ ■ i ■ ■ ■ ■ i'1' ■ i ■ ■ ■ ■ i l+ 75 81 94 mmmmPmMTTT vfz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 Abundance #2864: Benzene, 1,4-difluoro- 1 4 * i * * 1 ■ i 1 ■ ■ ■ i ■ • 15.40 15.60 15.80 16.00 16.20 5000 m/z 39.95 15.09? 63

TTga 37 50 57 mHH 81 88 | 94 ■ ■ i • ■ ■ ■ i'''111 ■ ■' i'''' i' ■ ■ 11 ■' • ■ i “1 ■ i ■' ■ ‘ i • ■1 AMAAAWAAM ’ ’’I’’’’. mz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115 120 Abundance #2863: Benzene, 1,2-difluoro- ■ i ■ ■ ' ■ i - 1 4 1540 15.60 15.80 16.00 16.20 m/z 57.05 14.62% 5000 63 88 49 68 75 81 94 **I*dA1**A*n*A**14***2****244 mHHmhmm qmpmpmpm ♦1•‘“ I n/z—> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 15.40 15.60 15.80 16.00 16.20

1937.D HP021102.M Wed Feb 13 14:47:51 2002 Page 1

NYC-WTC_000019351