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← Document results/DEP Box 25/GCMS X 4/30/02 A 5/8/02
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GCMS analysis results for unknown compounds, sample AE10198, May 2002

Machine-extracted title · confidence 95%

Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10198 on May 10, 2002.

NYC-WTC_000044885–000044901

Folder label: “GCMS X 4/30/02 A 5/8/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050802\10198.D Vial : 16 Acq On 9 May 2002 3:38 am Operator: Mclean Sample 4/30 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 7 Benzene, 1-ethenyl-3-methyl- Concentration Rank 8

R.T. EstConc Area Relative to ISTD R.T.

31.03 0.23 ug/L 271611 Chrysene-dl2 30.81

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1-ethenyl-3-methyl- 118 C9H10 000100-80-1 5/ 2 .alpha.-Methylstyrene 118 C9H10 000098-83-9/5 3 .alpha.-Methylstyrene 118 C9H10 000098-83-9 5 4 Benzaldehyde, 3-nitro- 151 C7H5NO3 000099-61-6 5 Abundance Scan 4758 (31.035 min): 10198.D (-4756) (-) m/z 118.00 100.00% 51 84 1 8

5000 239

40 ■ 1 i ■ ■ 1 1 i ■ ■ 1 1 i ■ ' ■ 1 । 1 1 208 30.80 31.00 31.20 31.40 01 1 1 । 1 ■ 1 1 । T I | । I i — I i । I [ I i I t | ! I i I | i I 1 I | I r । i | F i i I । i r m/z 84.00 93.33% m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #120639: Benzene, 1 -ethenyl-3-methyl- 1 8

5000 30.80 31.00 31.20 31.40 91 m/z 117.30 93.33% 39 58 77 103

m/z-> Of ,15 27 I 20 40 j Al 60 80 -41120...140- - l 100 , , , . ............... 160 180 200 220 240 Abundance #120636: alpha.-Methylstyrene 1 8 / AA * Ma — .A ... 103 1 1 i 1 T 1 । | lii " । i । । । । । I 30.80 31.00 31.20 31.40 5000 78 m/z 51.10 83.33% 51 91 39 63 15 28. 44all— — — L 0 ' 1 I ' 1 1 'I ' ' I I I I I t I I I I I I I I I I I ! I I I I I I I I I I I I I I I I

m/z--> 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #120635: .alpha.-Methylstyrene — TTI 1 8 30.80 31.00 31.20 31.40 m/z 239.10 41.90%

5000 103 78 91 0 27 39 51 |63 1 ''I 4 TI—ur 111111++ ‘ I‘‘‘‘V‘ ‘I**’}’ ■ 1 । • r~r . । , । i । ■! , । > । n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 30.80 31.00 31.20 31.40

10198.D 050102.M Thu May 09 13:35:26 2002 Page 10

NYC-WTC_000044899

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