VOC analysis results, sample AE02575, Feb 8 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\HPCHEM\l\DATA\02FEB08\2576.D Vial: 6 Acq On 8 Feb 2002 9:31 pm Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L Peak Number 1 Urea, N,N-dimethyl- Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 15.77 0.04 ug/L 40043 1,4-DIFLUOROBENZENE 15.13 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 Urea, N,N-dimethyl- 88 C3H8N20 000598-94-7 5 2 Urea, ethyl- 88 C3H8N20 000625-52-5 4 3 2,3-Dioxabicyclo[2.2.2]octane 114 C6H10O2 000000-00-0 4 4 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N2O2!006843-45-4 3 Abundance Scan 682 (15,774 min): 2576.D (-) m/z 114.05 100.00% 1 4

5000 63 88 39 50 15.40 15.60 15.80 16.00 ■' i ■ ■ ■ ■ i ■ ■ ■ ■ i' ■ ■ ■ i ■ ■ ■ ■ I ■ 1....... * ' I ‘ ‘ I’tt ' !"• • i ■ ‘ ■ i' ■ ■ ■ i' • ■ i ■ ■ m/z 63.05 25.52% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #62896: Urea, N,N-dimethyl- 44

5000 88 15.40 15.60 15.80 16.00 m/z 88.10 21.93%

/z-> Abundance 10 Q 15

20 30

30 +40 56 '111 ‘1' I''1' I ’'11111 50 60 70 80 #789: Urea, ethyl- 7 11'111'1111 ''11111 90 100 110 120 30 44 - 73 88 15.40 15.60 15.80 16.00 5000 m/z 50.05 13.30%

m/z-> — 10 20 30 T-r-p 40 L 56

50 60 70 80 90 100 110 120 i ■ ■ ■ ■ i ■''' i ■ ‘' ■ i ■ ■

Abundance #2867:2,3-Dloxabicyclo[2.2.2]octane 29 ■ i ■ ' ■ ‘ i' ■ i ■ ■ • • i'' ‘ ' i' 15.40 15.60 15.80 16.00 m/z 57.05 13.27%

5000 57 81 114 44 67 T-rp-r i ■ ■ ■ • i ■ ■ “' I ■ ■ ■' i ■ ■ ■ ■ i ' • > l > > m/z--> 10 20 30 40 50 60 70 80. 90 100 110 120 15.40 15.60 15.80 16.00

2576.D HP021702.M Wed Feb 20 16:27:30 2002 Page 1

NYC-WTC_000019621