DEP document fragment, February 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\02feb05\2085FB.D Vial: 12 Acq On : 6 Feb 2002 2:16 am Operator: 201-wb Sample : 524 nyc field bl Inst : GC/MS Ins. Mise : February 5, 2002 Multiplr: 1.00 mih = 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 4 Butanoic acid, methyl ester Concentration Rank 4

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

16.54 0.05 ug/L 57853 1,4-DIFLUOROBENZENE 15.11

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 36 2 Oxirane, butyl- 100 C6H120 001436-34-6 9 3 1-Butanamine, 3-methyl- 87 C5H13N 000107-85-7 5 4 Azetidine, 1-methyl- 71 C4H9N 004923-79-9 5 Abundance Scan 726 (16.540 min): 2085FB.D (-) m/z 43.00 100.00% 43 74 8000 tn -is 6000 —

4000 59 M A -nin

87 16.20 16'40 16.60 16.80 ' ‘ ' niz—> 10 20 30 440 11* 50 60 ■ 1 i ■ 1 1 ■ i ■ 70 80 ■ ' i ■ ■ ■ • i ■ • ■ • i ■ • ■ ■ i 90 100 110 m/z 74.05 94.18% Abundance #63493: Butanoic acid, methyl ester 43 74

5000 ■ ‘ i ■ 1 ■ ■ i ■ ' 1 ■ i 1 1 ' ■ i ■ ■ • ■ i 1

27 16.20 16.40 16.60 16.80 15 59 m/z 71.05 62.98% 87 33 102 i • ■ ■ ■ i ‘ ■ ■ ■ i ■ ■ ■ ■ i 11 'V ■ ■ -'l ■ I ■ ■ i ■ ‘ 1 ■ i ■ ■ ■ ■ i 1 ■ ‘ ‘ i nz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1563: Oxirane, butyl- 71 ■ ' i ■ ■ • ■ i 1 ■■ ‘ i ■ ■ ■ • i ■ ■ ■ • i ■ 42 16.20 16.40 16.60 16.80 5000 27 55 m/z 41.05 59.72%

—T+ i ■ ■ ’1’ // 85 nz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #763:1-Butanamine, 3-methyl- ■ 1 l 1 1 ■ ■ i 33 16.20 16.40 16.60 16.80 m/z 59.05 39.61% 5000

— 41 , 55 70 87 —mmmmmtmmmmm ■ ‘ i 1 • ‘ ■ i • ■ ■ ■ i ■ • ■ ' i ■ ■ ' 1 i 1 n/z—> 10 20 30 40 50 60 70 80 90 100 110 16.20 16.40 16.60 16.80

2085FB.D HP020502.M Wed Feb 06 02:56:38 2002 Page 4

NYC-WTC_000019414