VOC analysis results, sample AE09097, April 24, 2002

NYC 9/11 Public Portal Document xj J. Jwzx a, j_ u

Data File : C:\MSDCHEM\l\5973N\02APR24\9566.D Vial: 12 Acq On : 25 Apr 2002 3:30 am Operator: Sample : nyc Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1...\W042302.M (RTE Integrator) Title : VOC method 8260 Library : C:\DATABASE\WILEY7N.L

Peak Number 2 Benzene, 1,3-difluoro- Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

18.48 0.06 ug/L 38501 1,4-Difluorobenzene 17.70

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 80 2 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 80 3 Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 72 4 Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 64 Abundance Scan 1483 (18.475 min): 9566.D (-) m/z 114.00 100.00% 1 4

SCXX)

50 “ 88 18.20 18.40 18.60 18.80 43 I „ I 69 78 157 0 m/z 63.00 15.65% n/z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #14689: Benzene, 1,3-difluoro- 1 4

5000 O0M 18.20 18.40 18.60 18.80 63 m/z 88710 13.07% 88 37 0C[-r ■n/z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #14694: Benzene, 1,4-difluoro- 1 4 1 18.20 18.40 18.60 18.80 5000 m/z 115.00 10.56%

63 88

O'- I ■n/z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #14696: Benzene, 1,4-diftuoro- (CAS) $$ 1,4-Difluorobenzen... I' 1 4 18.20' 18.40 18.60 18.80 m/z SOTTo 10.35%

553

63 50 I I 75 0 J_________________________ ' ' I ' ' ' ' I ' '; ' I ' ' • ' I ' ' ' ' I ' ' Tl/Z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 18.20 18.40 18.60 18.80

9566.D W032602.M Fri Apr 26.12:01:29 2002 Page 4

NYC-WTC_000082321