Volatile organic compounds blank results, Feb 28 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\02FEB27\0227B1.D Vial: 1 Acq On : 27 Feb 2002 9:09 am Operator: 201-wb Sample : 1b Inst : GC/MS Ins Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\HP021702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

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

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

15.80 0.06 ug/L 108587 1,4-DIFLUOROBENZENE 15.12

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 80 2 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 80 3 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 78 4 2,4-Imidazolidinedione, 3~methyl~ 114 C4H6N2O21_______ 006843-45-4 47 Abundance Scan 694 (15,800 min): 0227B1.D (-) m/z 114.05 100.00%| 1’4

5000 63 88 57 50 69 15.40 15.60 15.80 16.00 16.20 42 — 94 m/z 88.00 27.41% 1 I' 1 1 1 1 1 1 • i ■ ■ j * J > ■ । — ■ i > m/z-> 30 40 50 60 70 80 90 100 110 120 Abundance #2863: Benzene, 1,2-difluoro- 1 4

5000 15.40 15.60 15.80 16.00 16.20 63 88 m/z 62.95 25.59% A 49 75 81 94 ' i 1 ■ ■ ■ i ‘ 1 ■ ‘ i ■ ‘ 1 1 rI 1 । i ■ 1 • 1 " • - i ■ ■ i ■ • m/z-> 30 40 50 60 70 80 90 100 110 120 Abundance #2865: Benzene, 1,3-difluoro- 1 4 MAA... H...... 15.40 15.60 15.80 16.00 16.20 5000 m/z 57.05 13.029

50 57 63 88 fl m/z-> 30 37 ■ i ■ ■ ■'' i ‘

40 4 50 60 94 75 81 M I1' ' 1 I ' I'1 1 1 1 1 1 ' 1 1 1 120 70 80 90 100 110 Abundance #2864: Benzene, 1,4-difluoro- 1 4 TT ■ ____ | ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ' ' ■ i ■ ‘ 15.40 15.60 15.80 16.00 16.20 m/z 50.05 12.11%

5000 63

50 57 88

1 l ■ • 37 i ■ ■ ■ • l ■ ■I a ■ 81 ■ i ■ 1 ■ ■ i'' ■ PPP । 94 I ' ■ ' ‘I• • • * । ‘ ' 1 i 1 * T" m/z--> 30 40 50 60 70 80 90 100 110 120 15.40 15.60 15.80 16.00 16.20

0227B1.D HP021102.M Wed Mar 06 13:47:04 2002 Page 1

NYC-WTC_000020703