VOC analysis results, sample AE10240, May 3, 2002

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Data File C:\MSDCHEM\l\5973N\02MAY03\10241.D Vial: 12 Acq On 3 May 2002 6:42 pm Operator: Sample nyc Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSC.P Quant Method : C:\MSDCHEM\1...\W050302. M (RTE Integrator) Title : VOC method 8260 Library : C:\DAT7kBASE\WILEY7N.L

Peak Number 3 Benzene, 1,4-difluoro- Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 18.47 0.06 ug/L 31494 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, 1,4-difluoro- 114 C6H4F2 000540-36-3 90 3 Benzene, 1,3-difluoro- 114. C6H4F2 000372-18-9 90 4 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 87 ^bundance Scan 1483 (18.475 min): 10241.D (-) m/z 114.00 100.00% 1 4

5000

» 94 ' ' I ' 45^^ 68 78 18.20 18.40 18.60 18.80 0 .. ! ,,|iiii |,, ii i tJ tttA ■■■ Um. m/z 63710 20.51% Ti/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110115 120 Abundance #14694: Benzene, 1,4-difluoro- 1 4

5000 I ' ' ' ' I 18.20 18.40 18.60 18.80 ■63 88 m/z 88710 17.01% 50 57 75 81 I 94 . ........... ||t,-.I|,|,I|I|I|| 0 'I.... ............................ TiZz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95.100 105110 115 120 Abundance #14693: Benzene, 1,4-difluoro- 1 4

18.20 18.40 18.60 18.80 553 m/z 50.0.0 12.82% 63 88 50 57 75 81 94 0 .. I'. I. . Um^ ■n/z-> Abundance 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 #14689: Benzene, 1,3-difluoro- 1 4 Uj 18.20 18.40 18.60 18.80 m/z 97790 11.59% 5000

63 88 50 57 I 68 75 94 37 0 . ....... 11.,., I... 11.1.. 111111.7r I,,.. I,,. '.H'-nr............. U7 ' ' I ' ' ' ' I ' ' 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

10241.D W050302.M Mon May 06 12:26:03 2002 Page 5

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