VOC analysis results, sample AE10023, April 30, 2002

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Library Search Compound Report

Data File : C:\MSDCHEM\l\5973N\02APR30\10163.D Vial: 12 Acq On : 30 Apr 2002 11:19 pm Operator: Sample : nyc Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSC.P

Quant Method : C:\MSDCHEM\1...\W042302. M (RTE Integrator) Title : VOC method 8260 Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Benzene, 1,4-difluoro- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 18.46 0.06 ug/L 26528 1,4-Difluorobenzene 17.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 91 2 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 91 3 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 87 4 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 86 Abundance Scan 1482 (18.465 min): 10163.D {-) m/z 114.00 100.00% 1 4

63 88 50 57 70 75 81 I 94 18.20 18.40 18.60 18.80 0 m/z 6^700 21.88% Tl/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 Abundance #14693: Benzene, 1,4-difluoro- 1 4

5000 LUX '''' I 18.20 18.40 18.60 18.80 63 88 m/z 88.0,0 17761% 50 57 75 81 94 I""I" 111' 1111111 I I I 111111111 0 +r 7|hiI|............I........... Tl/Z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Abundance #14694: Benzene, 1,4-difluoro- 1 4

18.20 18.40 18.60 18.80 5000- m/z 115.00 8.51% A 63 88 50 57 75 81 I 94 0 I ‘’ I" " I" " 1 'I......I..... Ill l""|".7l"l|nl,| ■w Ti/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 Abundance #14689: Benzene, 1,3-difluoro- ' ' I 1 4 18.20 18.40 18.60 18.80 m/z94.00 7.86%

5000 jI

63 88 37 50 57 I 94 0 ... .......... ... I""I' I ' *...... h' . ........................... ' ' I ' ' ' ' I ' ' I ' ' ■n/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 18.20 18.40 18.60 18.80

L0163.D W042302.M Wed May 01 14:36:35 2002 Page 4

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