VOC analysis results, sample AE10023, April 30, 2002

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Library Search Compound Report

Data File C:\MSDCHEM\l\5973N\02APR30\10236.D Vial: 15 Acq On 1 May 2002 1:39 am 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 3 Benzene, 1,4-difluoro- $$ B... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 18.48 0.06 ug/L 26914 1,4-Difluorobenzene 17.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,4-difluoro- $$ Benzen... 114 C6H4F2 000540-36-3 80 2 Benzene, 1,2-difluoro- $$ Benzen... 114 C6H4F2 000367-11-3 80 3 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 72 4 Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 72 Abundance Scan 1484 (18.485 min): 10236.D (-) m/z 114.00 100.00% 1 4

5000

63 88 m" 44 50 57 I 68 74 gi 18.20 18.40 18.60 18.80 Ol ................................ LitllinliHiHl...... I....... .......... ............. |,tl|........ m/z 88.00 20.33% ■n/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 115120 Abundance #14695: Benzene, 1,4-difluoro- $$ Benzene, p-difluoro- $$ ... Ii4

5000 63 18.20 18.40 18.60 18.80

50 57 88 m/z 62790 17.90%

Ti/z-> 0 37 . ............... Ill 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115120 81 Tt A 94

Abundance #14688: Benzene, 1,2-difluoro- $$ Benzene, o-difluoro- $$ ... 1 4 A 18.20. 18.40 18.60 18.80 553 m/z 63.10 17.50% 63 88 49 68 94 75 81 .......................... 'I.. . n 0 I " '' I' * " I TTfe-> 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- A I ' ‘ ' 1 4 18.20 18.40 18.60 18.80 m/z 74.10 10.54%

5000

63 88 V 75 81 T 94 11' 1. 11" " 111111" 111" " I, I" 111111.. I. I." 11,". 11", 11,111II. 11" 111" 111" " 111111.". I.. 0 ' ' 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

10236.D W042302.M Wed May 01 14:36:55 2002 Page 5

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