DEP document fragment, February 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\02feb05\2084FB.D Vial: 6 Acq On 5 Feb 2002 9:56 pm Operator: 201-wb Sample : 524 nyc field bl 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 2

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

16.54 0.06 ug/L 70653 1,4-DIFLUOROBENZENE 15.11

Hit# of 5 Tentative ID MW MolForm CAS# Qual — 1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 83 2 3-Pyrrolidinol 87 C4H9NO 040499-83-0 7 3 1-Butanamine, 3-methyl- 87 C5H13N 000107-85-7 5 4 Formic acid, ethyl ester 74 C3H602 000109-94-4 5 —nuntus Abundance Scan 727 (16.541 min): 2084FB.D (-) m/ z 43.05 100.00% - 43 74

5000 59 87 A AAA ■ ‘ i ■ ■ • I ’ ’ 16.20 16.40 16.60 16.80 ‘ I f ‘ ‘ I ' * • 1 I ’

' 1 i ■ 1 1 ■ i ■ ■ ■ ■ i ■ ' ■ i ■ ■ ■ ■ i 1 ■ ■ 1 i ■ ■ ■ ■ i m/z 74.05 69.81% miz-> 10 20 30 40 50 60 80 70 90 100 110 Abundance #63490: Butanoic acid, methyl ester 43 74 5000 27 ■ • i ■ ■ ■ • i ■ ■ ■ ■ i■ • • ■ i ■ ■ ■ ■ i 1 16.20 16.40 16.60 16.80 59 m/z 71.05 59.65% 87 37 | 102 + i । i .1, । । i i i i r + 1 ' i ■ ■ ■ ■ i ■ ■ ■ ■ i 1 ■ ■ ■ i ■ ■ i ■ ■ ■ 1 i ■ ■ ■ ■ i ' ■ i /z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #752:3-Pyrrolidinol 43 T l ■ ■ ‘ ‘ 1 1 16.20 16.40 16.60 16.80 5000 m/ Z 41.05 54.28 87 57 68 — ■ ' I ■ 11 ' ■

AAA ■ ■ i ■ ■ ' ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i niz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #763:1-Butanamine, 3-methyl- TT 3) 16.20 16.40 16.60 16.80 m/z 39.0.5 36.78 5000

15 1. । . I141 , 1! I , ■ i ■ 55 70 ‘ i ' ■ • • I ‘ ' i ■ ' 87 i ■ ■ ■ • i ■ • ■ ■ i ’*1*/——B/O/GS1OE//STT—51.T n/z—> ■ ■ i ■ 10 ■ i ■ ■ 20 30 40 50 60 70 80 90 100 110 16.20 16.40 16.60 16.80

2084FB.D HP020502.M Tue Feb 05 22:36:28 2002 Page 5

NYC-WTC_000019366