VOC analysis results, sample AE10023, April 30, 2002

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Data File : C:\MSDCHEM\l\5973N\02APR30\10025.D Vial: 9 Acq On : 30 Apr 2002 6:40 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 ★★★★★★★★★★★★★★★★★★★★★★★if********************************************* Peak Number 1 Benzene, 1,4-difluoro- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 18.46 0.06 ug/L. 26464 1,4-Difluorobenzene 17.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 90 2 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 90 3 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 86 4 Benzene, 1,2-difluoro- $$ Benzen... 114 C6H4F2 000367-11-3 83 Abundance Scan 1482 (18.465 min): 10025.D (-) m/z 114.00 100.00% 1 4

5000 63 50 57 69 75 95 _ieL^_ia4g_ia6o_i8jo_ 0 m/z 63.10 23.06% 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 ' ' ' ' I A 'T 18.20 18.40 18.60 18.80 63 88 m/z 88.10 13.79% 50 57 75 81 94 0 . ....................... Ti/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 115 120 Abundance #14689: Benzene, 1,3-difluoro- 1 4

18.20 18.40 18.60 18.80 5000 m/z 8^790 11.96%

63 88 37 50 57 68 75 I 94 0 TtT '■J...... I'. 111111 . .......................... . T".TT^n-|,,r Ti/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 115 120 Abundance #14687: Benzene, 1,2-difluoro- 1 4 18.20 18.40 18.60 18.80 mTz SOTTo 10.94% 5000

63 88 37 50 57 I 75 I 0 rTp-nTyi-bT7TT-iTyrTTTlTTTTp+riYt444yiT-rryTTT-r|TTTTpT-rTj-rrlTYTTTl-tT^^ TiZz~> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110115 120 18.20 18.40 18.60 18.80

.0025.D W042302.M Wed May 01 14:36:08 2002 Page 3

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