Volatile organic compounds blank results, Feb 28 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\02FEB27\3919.D Vial: 5 Acq On : 27 Feb 2002 8:15 pm Operator: 201-wb Sample : nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP022702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

Peak Number 1 2H-Pyran-2-one, tetrahydro-4-m Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 15.82 0.06 ug/L 61268 1,4-DIFLUOROBENZENE 15.15 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2H-Pyran-2-one, tetrahydro-4-methyl 114 C6H10O2 001121-84-2 3 2 1-(Propenylthio)prop-l-ene 114 C6H10S 000000-00-0 3 3 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N2O2! 006843-45-4 3 4 3-Cyclobutene-l,2-dione, 3,4-dihydr 114 C4H204 _______ 002892-51-5 2 Abundance Scan 695 (15.818 min): 3919.D (-) m/z 114.05 100.00% 1 4

5000

63 88 50 57 .. 75... |I....... 4 15.60 15.80 16.00 16.20 431 ■ ' i ' ■ ‘ ' I ' ■ ‘ ■ i • ' ' ' i ' 1 1 ' I 1 1 1 B* । । । । i i i । > m/z 63.05 24.27% m/z-> 40 50 60 70 80 90 100 110 120 Abundance #2880:2H-Pyran-2-one, tetrahydro-4-methyl- 42 55

5000 1 > । 1 • * ' i * • ' * i * * ' i ■ ■ 15.60 15.80 16.00 16.20 m/z 88.00 22.18% 70 114

m/z-> ■ ■ 40 i —I4 ' I ' 1 50 60 1 70 84 • ■ । • 1 ■ < । i ■ • - । i > * * i ■ 80 90 100 110 120 Abundance #2940:1-(Propenylthb)prop-1-ene 1 4 41 99 . 15.60 15.80 16.00 16.20 5000 m/z 57.05 17.13%

73 85 47 .1 591 ‘ l ‘ * 1 ’ 1 ** ‘ ‘ I * m/z-> 40 50 60 70 80 90 100 110 120 Abundance #64088:2,4-Imidazolidinedione, 3-methyl- 1 4 15.60 15.80 16.00 16.20 m/z 50.05 16.06%

5000 58 V 86 42 < ■ i • • ■ • i • ■ 71 ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ I.. ’’ 'lp' T-r-rr-r-n-p-T m/z--> 40 50 60 70 80 90 100 110 120 15.60 15.80 16.00 16.20

3919.D HP022702.M Thu Mar 07 17:28:31 2002 Page 1

NYC-WTC_000020720