VOC analysis results, sample AE02575, Feb 8 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\HPCHEM\l\DATA\02FEB08\2711.D Vial: 13 Acq On 9 Feb 2002 2:34 am Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

Peak Number 1 Benzene, 1,3-difluoro- Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. 15.76 0.04 ug/L 44461 1,4-DIFLUOROBENZENE 15.10 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 47 2 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 47 3 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 43 4 Sydnone, 3,4-dimethyl- 114 C4H6N2O21 004007-18-5 9 Abundance Scan 682 (15.758 min): 2711 .D (-) m/z 114.15 100.00% 1 4

5000

37 50 57 63 75 88 W 15.40 15.60 15.80 16.00 44 ... m/z 63.05 28.16% m/z-> 30 40 50 ■ ■ i • ■ 60 70 • i ■ 4 4 4 i 4 80 90 100 i • ■ ■ ■ i ■ ■ ■ ■ i ‘ 110 120 A Abundance #2865: Benzene, 1,3-difluoro- 14

5000 "T T y 15.40 15.60 15.80 16.00 63 m/z 88.10 24.05% 88 37 50 57 75 81 94 N • l 4 ■ i • —I++ _____ I 1**’* i ■ । ■ i 4 I'4 4 i 4 4 4 4 i 4 i /z-> 30 40 50 60 70 80 90 100 110 120 Abundance #2863: Benzene, 1,2-difluoro- 1 14

• i * * *' i 1 * > । 14 111 * ‘ *1 1 1 15.40 15.60 15.80 16.00 5000 m/z 57.05 15.51%

63 88 94 75 81 ................... 49 —P 4 I । ■ I'4 ■ । ■ 4 ■ । ■ i

m/z-> Abundance 30 40 50 60 70 80 90 100 #2864: Benzene, 1,4-difluoro- 110 1 4 120 a.. 15.40 15.60 15.80 16.00 m/z 50.05 15.21% \ 5000 63 50 57 88 37 | 94 — 11waaoguni - 4 4 4 1’11 1 ■ i ■ ■ 4 1 81 । 1 1 r I 4 । 4 1 1 4 4 4 P 1 ■ ■ i ■ ■ ■ ■ i1 m/z-> 30 40 50 60 70 80 90 100 110 120 15.40 15.60 15.80 16.00

2711.D HP021702.M Wed Feb 20 16:44:43 2002 Page 1

NYC-WTC_000019677