Volatile organic compounds analysis results, March 21, 2002

NYC 9/11 Public Portal Document

Data File : C:\HPCHEM\1\DATA\02MAR21\6424.D Vial: 5 Acq On : 21 Mar 2002 6:33 pm Operator: 201-wb Sample : nyc Inst : GC/MS Ins Mise : March 21, 2002 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 Urea, ethyl- Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 15.80 0.02 ug/L 13618 1,4-DIFLUOROBENZENE 15.14 Hit# of 5 Tentative ID MW MolForm CAS# Qual

l Urea, ethyl- 88 C3H8N20 000625-52-5 4 2 Tetramethylhydrazine 88 C4H12N2 006415-12-9 4 3 4-Heptanone 114 C7H140 000123-19-3 3 4 3-Pentanone, 2,4-dimethyl- 114 C7H140 ________ 000565-80-0 3 Abundance Scan 695 (15.800 min): 6424.D (-) m/z 114.05 100.00% 1 4

5000

63 88 15.40 15.60 15.80 16.00 16.20 44 m/z 88.10 26.15% ■ * i * * > * । • <«• । ' i ■ * i ■ I ■ * ■ ■ i > > * ■ i ■ ■ • ‘ ।1 ■ i ■ ‘ ‘ ■ i ■ ■ ‘ ■ i1 • ‘ 111 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #789: Urea, ethyl- 33 44 73 88 5000 i ■ ■ ‘ ■ i ■ ■ ■ ■ i 15.40 15.60 15.80 16.00 16.20 m/z 63.05 25.74%

11174 ’ It H 56 i ■■ ■ ■i‘ ' ■ i ■ ■‘■ i ■ ■ m/z-> 10 20 30 40 50 70 80 90 100 110 120 Abundance #830: Tetramethylhydrazine 42 88 - 15.40 15.60 15.80 16.00 16.20 73 m/z 43.95 0.79%

wvvM 5000 15

30

58 ■ ■ i ■ ■ ■ ■ i ■ ■11 1 TTIf mPp i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ‘ ■ i ■ ■ ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #3002:4-Heptanone 43 15.40 15.60 15.80 16.00 16.20 71

5000- 27

58 114 15 = - 86 99 TTI 11 ■ ■1111 TI m/z-> 10 20 30 40 50 60 70 80 90 100 110 120

6424.D HP031802.M Thu Mar 28 11:47:43 2002 Page 1

NYC-WTC_000022113