VOC analysis results, sample AE02575, Feb 8 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File C: \HPCHEM\1\DATA\02feb0 8 \2 3 8 6 . D Vial: 4 Acq On 8 Feb 2002 8:04 pm Operator: 201-wb Sample nyc 524 Inst : GC/MS Insm Mise Multiplr: 1.00 vdlh MS Integration Params: LSCINT.P -

Quant Method : C:\HPCHEM\1\METHODS\HP020502.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************* *.* ********************************** -mni Peak Number 4 3-Pentanone, 2,4-dimethyl- Concentration Rank 5 — R.T. EstConc Area Relative to ISTD R.T. ■ mf —= 15.79 0.04 ug/L 40330 1,4-DIFLUOROBENZENE 15.13

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3-Pentanone, 2,4-dimethyl- 114 C7H140 000565-80-0 3 2 4-Heptanone 114 C7H140 000123-19-3 3 3 3-Hexanone, 2-methyl- 114 C7H140 007379-12-6 3 4 1-(Propenylthio)prop-1-ene 114 C6H10S 000000-00-0 3 Abundance Scan 684 (15.793 min): 2386.D (-) m/z 114.05 100.00% 1 4

5000

63 88 ' ' i ■ ■ ■ ■ i ' ■ 50 57 75 1540 15.60 15.80 16.00 16.20 ___ 44 ' 1i 1 ' ‘ 1 ■ i J■ ___ ■ i 1 ■ ■ ■ i ■ ‘ i ' ' 1 i ■ ■11 ।1 i ' ' ■ ■ i ■ ■ ■ ■ i ■ m/z 63.05 23.50% miz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #64142:3-Pentanone, 2,4-dimethyl- 43 - id

5000 71 15.40 15.60 15.80 16.00 16.20 | m/z 88.00 21.15% 27 1 38 | I » 1 1 > >11 । । i—«1T 1 ■ ■ i ■ 55 ■ i ■ ]a 114 A nz-> 20 30 40 50 60 70 90 100 80 110 120 Abundance #64152:4-Heptanone 43 71 15.40 15.60 15.80 16.00 16.20 5000 27 m/z50.05 13.50

114 58 99 | w-> u, ■. A30 20 '..... JI40 150 ‘l 1 60 70I 80 90 100 110 120 Abundance #3058:3-Hexanone, 2-methyl- ................................ . - 43 - 15.40 15.60 15.80 16.00 16.20 71 m/z 56.95 _ 13.07

5000

27 114

n/z—> —p 1 ■ ■ । 55 1 i 1 1 1 1 i 20 30 40 50 60 70 i • • ■ । ■ ■ ■ • । 1 ■ ■ ■ । 80 90 100 • i ■ 110 ' 120 ’ 1 i ■ 1 ■ ■ i ■ 15.40 15.60 15.80 16.00 16.20

2386.D HP020502.M Fri Feb 08 20:44:30 2002 Page 4

NYC-WTC_000019605