Volatile organic compounds blank results, Feb 28 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\l\DATA\02FEB27\3921.D Vial: 7 Acq On : 27 Feb 2002 9:42 pm Operator: 201-wb Sample : nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP022702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L Peak Number 3 Benzene, 1,2-difluoro- Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 15.82 0.07 ug/L 99328 1,4-DIFLUOROBENZENE 15.15 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 86 2 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 86 3 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 72 4 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N2O21 006843-45-4 38 Abundance Scan 696 (15.817 min): 3921.D (-) m/z 114.15 100.00% 1 4

5000

63 88 A. 41 50 57 69 75 15.60 15.80 16.00 16.20 — I I I m/z 63.05 22.03% ’lir 1 i • * * * । 1 • * * i * m/z-> 30 40 50 60 70 80 90 100 110 120 Abundance #64096: Benzene, 1,2-difluoro- 1 4

5000 15.60 15.80 16.00 16.20 m/z 88.00 20.66% 63 88 37 ‘ i ■ ■ i ‘ ■ 50 —57me I 75 —m* 94 i..... m/z-> 30 40 50 60 70 80 90 100 110 120 Abundance #64097: Benzene, 1,4-difluoro- 1 4 T T T 15.60 15.80 16.00 16.20 5000 m/z 50.05 10.86%

63 88 J 50 57 75 81 94 m/z-> 30 ‘ i ■ ■ ■ ‘ i ■ ■ ■ ‘ I ■ 40 50 , I, 60mr ■ 70 > l i • • • )'• • 80 90 100 P I 110 120 Abundance #64098: Benzene, 1,3-difluoro- 1 4 a 15.60 15.80 16.00 16.20 m/z 56.95 9.98%

5000 /

88 63 37.... 5057 TTmmId .75 I 94 i /z-> 30 40 50 60 70 80 90 100 110 120 15.60 15.80 16.00 16.20

3921.D HP022702.M Thu Mar 07 17:33:08 2002 Page 3

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