Volatile organic compounds analysis results, March 26, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C: \HPCHEM\1\DATA\02MAR267111 .D Vial: 7 Acq On 26 Mar 2002 6:37 pm Operator: 201-wb Sample nyc Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\HP031802.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

Peak Number 1 2,4-Imidazolidinedione, 3-meth Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T.

15.75 0.03 ug/L 11829 1,4-DIFLUOROBENZENE 15.10

Hit# of 5 ’ Tentative ID MW MolForm CAS# Qual

1 2,4-Imidazolidinedione, 3-methyl- 006843-45-4 3 114 C4H6N202: 2 1-(Propenylthio)prop-1-ene 000000-00-0 3 114 C6H10S 3 3-Cyclobutene-l,2-dione, 3,4-dihydr 114 C4H204 002892-51-5 2 4 2,4,5-Trioxoimidazolidine 114 C3H2N203.000120-89-8 2 Abundance Scan 691 (15.749 min): 7111.D(-) m/z 114.15 100.00% 1 4

5000- | - 50 63 i 1 1 ‘ ■ i 1 15.40 15.60 15.80 16.00 TTTEETTEErTTTTST7"tttI"’""H1 m/z 63.05 30.89% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #64088: 2,4-lmidazolidinedione, 3-methyl- 1 4

58 5000 TT 1-1 15.40 15.60 15.80 16.00 86 m/z 49.95 28.68%

42 71 ■ i11'11'1' ■ i ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #2940:1 -(Propenylthio)prop-I -ene 1 4 41 99 T rT I’ 15.40 15.60 15.80 16.00 5000 m/z 44.00 4.60%

59 ' 73.......85...... ........................................................ WWWNM ' ' I ' ‘ ' 1 I ' ' " I "" I 1 ' 1 1 I I »I r I I I 11 |’I I I I I I I I I I 11' " 11 ’ I’* m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #2826: 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- 29 1 i ■ 1 1 1 i ' ■ ■ ■ i ' 1 ■ 1 i ■ ■ ' ■ i 1 58 15.40 15.60 15.80 16.00

5000 114

86 17 40 -PH 68 I 1 1 ' 1 i 1 ■ ' ' i ' 1 ■ i ■ ■ ■ ■ i ■ ■ > ■ i ■ 1 ' i ' 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120

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7111.D HP031802.M Wed Mar 27 09:36:19 2002 Page 1

NYC-WTC_000022453