Volatile organic compounds analysis results, March 21, 2002

NYC 9/11 Public Portal Document vap • u REpOL C

Data File : C:\HPCHEM\1\DATA\02MAR21\6580.D Vial: 10 Acq On : 21 Mar 2002 5:49 pm Operator: 201-wb Sample : nyc Inst : GC/MS Ins Mise : March 21, 2002 Multiplr: 1.00 MS Integration Params: RTEINT.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 Urea, ethyl- Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 15.80 0.02 ug/L 13988 1,4-DIFLUOROBENZENE 15.14 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Urea, ethyl- 88 C3H8N20 000625-52-5 4 2 3-Cyclobutene-1,2-dione, 3,4-dihydr 114 C4H204 002892-51-5 4 3 Tetramethylhydrazine 88 C4H12N2 006415-12-9 4 4 4-Heptanone 114 C7H140 _________000123-19-3 3 Abundance Scan 694 (15.801 min): 6580.D (-) m/z 114.05 100.00% 1 4 8000

6000

4000 15.40 15.60 15.80 16.00 16.20 63 88 m/z 62.95 23.06% ' ' i1 ■ ■11 ‘1111 ■ ■ ■' i11'' i'1 ‘ ‘ i ‘ ' i ■ ■ ‘ ‘ i ■ ■ ■11 ■1 • ■ I ■1 ■ ■ I ■ ‘ • i ‘ ‘ m/z--> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #789: Urea, ethyl- 30 44 73 88 5000 15.40 15.60 15.80 16.00 16.20 m/z 88.10 22.08% 56 74 •’1***’1’** 1 ■ TT-j-r lpikpp... I ‘ ' I ‘' ■ I ‘' i ‘ ‘ /z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #2826: 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- 29 58

15.40 15.60 15.80 16.00 16.20 5000 114

86 17 40 68 -PHP | i ■11 ■ I'1 ■ • t ■ ‘ ■ t ■ • ‘ ■ i' ■ ■ ‘ i ■ 111'1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #830: Tetramethylhydrazine 42 88 73 5000 15 30 58 ■' । j 1 1 ■ i1' m/z--> 10 20 30 40 50 60 70 80 90 100 110 120

6580.D HP031802.M Thu Mar 28 11:46:16 2002 Page 1

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