DEP document fragment, February 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\02feb05\2084.D Vial: 7 Acq On : 5 Feb 2002 10:40 pm Operator: 201-wb Sample : 524 nyc Inst : GC/MS Ins — Mise : February 5, 2002 Multiplr: 1.00 _ 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 ********************************************************************* Peak Number 5 Butanoic acid, methyl ester Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T.

16.54 0.06 ug/L 63399 1,4-DIFLUOROBENZENE 15.11

Hit# of 5 Tentative ID MW MolForm CAS# Qual -aanoume 1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 59 — 2 1-Butanamine, 3-methyl- 87 C5H13N 000107-85-7 9 - 3 Furan, tetrahydro-2-methyl- 86 C5H10O 000096-47-9 9 4 Propene 42 C3H6 000115-07-1 7 Abundance Scan 726 (16.540 min): 2084.D (-) m/z 43.05 100.00% 4 74

5000 59 87 AAA A/ 16.20 16.40 16.60 16.80 ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ' m/z 74.05 76.19% iz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63489: Butanoic acid, methyl ester 43 74

5000 27 16.20 16.40 16.60 16.80 ' 59 67.62% 87 m/z71.05 ............... 33 — ■ • i ' ■ 1 ■ i 1 1 ■ ■ i ' ' ' ■ i I 102 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #763:1-Butanamine, 3-methyl- -emine 33 ■ ■ i ■ ‘ ‘ ■ i 1 1 ■ ' i ■ ■ • • i • ■ ■ ■ i ' 16.20 16.40 16.60 16.80 5000 m/z 41.05 52.75%

niz-> ' ■ i ■ 10 15 ' i ■ ■ 20 L 30 --55. 40 50 60 70 70 ■ » | 80 87 • i 1 • • ■ । . । । > । > > । > । 90 100 110 Abundance #62854: Furan, tetrahydro-2-methyl- ■ ■ i ■ 1 1 1 i • ■ ■ i 1 ■ ■ ■ i ■ ' ■ ' । 1 43 71 16.20 16.40 16.60 16.80 m/z39.05 38.62%

5000

m/z—> 10 15 I 27

' ' I ' 1 1 1 I ' 1 । 1 I ' 'T 20 30 40 tp - 50 56

60 70 80 86

90 100 110 ।A ‘ ' I ' ' ' ' I ' ' ' ' I 16.20 16.40 16.60 16.80 ‘ 1 I ' '' 1 1 1

2084.D HP020502.M Tue Feb 05 23:19:46 2002 Page 5 -adeims

NYC-WTC_000019374