VOC analysis results, sample AE02575, Feb 8 2002

NYC 9/11 Public Portal Document Library Search Compound Report - - Data File C:\HPCHEM\1\DATA\02 febO8\2 5 81.D Vial: 10 Acq On 9 Feb 2002 12:24 am Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins — Mise Multiplr: 1.00 - MS Integration Params: LSCINT.P —a wt Quant Method : C:\HPCHEM\1\METHODS\HP020502.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 4 1,4-Dioxane Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T. — 15.77 0.05 ug/L 49015 1,4-DIFLUOROBENZENE 15.11 - Hit# of 5 Tentative ID MW MolForm CAS# Qual —

1 1,4-Dioxane 88 C4H802 000123-91-1 3 2 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N2O2 006843-45-4 3 3 1-(Propenylthio)prop-1-ene 114 C6H10S 000000-00-0 3 4 3-Cyclobutene-1,2-dione, 3,4-dihydr 114 C4H204 002892-51-5 2 Abundance Scan 683 (15.775 min): 2581 .D (-) m/z 114.15 100.00% - 1 4

5000 - - 88 ii* 57 63 1 I11 1 1 1 1 1 ' 1 1 1 ' ■ i ■ ■ ■ ‘ i ■ 50 । 15.40 15.60 15.80 16.00 16.20 44 I I ■ ■ i • ■ ‘ ■ 1 1 1 ' ■ i ■ 1 ' ‘ I ' 1 1 ■ I ■ 1 1 1 1 • ‘ 1 1 1 1 1 ■ ■ i ' ' m/z 88.10 30.28% ’ I* । ■ ■ ■ ■ । ■ • ■ ■ । ■ n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #794: 1,4-Dioxane 29 88

5000 15 58 m... 1540 15.60 15.80 16.00 16.20 m/z 62.95 22.16% 45 n/z-> -PP » • । ■ i’> 1 1 1 । i ‘ ‘ • i ‘ ‘ ' ■ i • ■ 1 ' 1 • ' i ■ ■ 1 ■ 1 • ■ ■ ■ i ■ ' 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #64088:2,4-Imidazolidinedione, 3-methyl- 1 4

15.40 15.60 15.80 16.00 16.20 58 m/z 57.05 5000 18.05% 86 ____________________ 42 71 ■p-r-n-p-n-r-p-r ■ ‘ i ■ ■ 1 • i ■ ■ ■ ■ i ■ ■ ■ • i ‘ ■ 1 i ‘ ' ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ T-r-j-T-r miz- > 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #2940:1-(Propenylthio)prop-1-ene - ■ i > = 1 4 ■ i ■ ■ • ' i ■ 1 15.40 15.60 15.80 16.00 16.20 - 41 -h 99 m/ Z — 50.05 11.66%

5000

47 59 73 85 ‘ ' I ‘ ' I 4 ‘ 1 ' I ' ‘ ‘ ‘ I ‘ ' ''' | ................................................ ■ ‘ I ■ ' ‘ ‘ I ‘ ‘ ' I '■ n/z—> 10 20 30 40 50 60 70 80 90 100 110 '126' 15.40 15.60 15.80 16.00 16.20

2581.D HP020502.M Sat Feb 09 01:05:13 2002 Page 4 T

NYC-WTC_000019654