DEP GCMS data table, Jan-Feb 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

‘ Data File : C:\MSDCHEM\1\5973N\02FEB27\02383.D Vial: 4 Acq On : 27 Feb 2002 1:13 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 27, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L

Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 5

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

3.61 0.12 ug/L 50162 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 2 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 78 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 4 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 78 Abundance Scan 21 (3.611 min): 02383.D (-) m/z 43.10 100.00% 43 74

5000 59 87 AI .......... / > ' I ' < 1 1 l > ■ AAA A________ 71 f■■■ ■ । - i■।-1 3.50 3.60 3.70 3.80 3.90 4.00 O—T ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । |1 ' i41 .91 ,' 1 I ■ i ' ■ ' 1 I k 1 I ■ ' ■ 1 I ' ‘ ' 1 I m/ z 74.00 95.64% mlz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 ' ■ i ■ ■ i ■ ■ ■ ■ i ■ - ■ ■ i ■ ■ > ■ i ■ • ■ ■ i

59 87 3.50 3.60 3.70 3.80 3.90 4.00 m/z 71.00 76.36% 102 m/z-> 01 ■ ' i 1 ' ‘ ■ i ■ ■ ■ ' । ■ 1 ■ 1 I 10 20 30 40 a 50 60 I 70 IIIIIIIIIIIH 80 90 100 110 Abundance #9218: Butanoic acid, methyl ester 43 74 ......... A________ ■ • i ■ • । * ■1 * । ■1 ■ । * i * * ■ * i 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 59.00 29.64% 27 15 59 87

miz-> 01 1 1 1 1 ' 1 1 1 1 1 10 20 33 II* m 30 40 50 60 + 102 TTT ■ 1 i ■ ' 1 1 i 1 ■ 1 ■ r1 1 ' ■ i 70 80 90 100 110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 1' i1 ■ ■ ■ । ■ i > ■ ■ 11 > ■ ‘ ■ i ■ ■ ■ ■ i 43 74 3.50 3.60 3.70 3.80 3.90 4.00 m/z 87.10 24.99%

5000 59 87

m/z-> 0 ■ ■ i 1 ■ ■ 1 i ‘ 1 1 ' i 10 20 30 33 ' i 40 50 60 70 1III* 80 90 102

100 110 ’111 H 3.50 3.60 3.70 3.80 3.90 4.00

32383.D HP022102.M Thu Feb 28 08:46:55 2002 Page 3

NYC-WTC_000004992