GCMS analysis results for sample AE00168, Jan 2002

NYC 9/11 Public Portal Document Library Search Compound Report . Data File : C:\MSDCHEM\1\5973N\02JAN24\00168.D Vial: 1 Acq On : 24 Jan 2002 2:59 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1.. .\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Butanoic acid, methyl ester... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.60 0.11 ug/L 48845 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual l Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 Abundance Scan 20 (3.602 min): 00168. D (-) m/z 43.10 100.00% 43 74

5000 59 87 . .. i 11 > । i i i. 11 ri mpapif) 3.50 3.60 3.70 3.80 3.90 4.00 ...................................... I !

AA__ *‘I‘‘‘IUI IT* 1 1 1 I ' * I 1 1 ‘ 1 1 1 1 ‘ ’ I' • ■ i ■ ■ ■ ' i ' • ■ 1 i ■ ■ ■ ■ i m/z 74.10 79.26% n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance ;#9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 59 87 m/z 71.10 66.13% 102 ' • l > ■ ' • l • • • • 1 • > • • I I ■ ■ i ■ ■ ■ ■ i ■ ' ■ ' i ■ ————————————— miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 A 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 34.06% 59 87

33 102 ‘ । < » ' < । i ■I1' ■ I > ' ■ । l 1 ■ > ■ । i

—AAAA 1 * { < ' > * । ' 1 i ' 1 ‘ 1 i ‘ 1 1 ■ i 1 ■ 1 ■ i miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9220: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... A 43 3.50 3.60 3.70 3.80 3.90 4.00 m/z 59.10 29.15% 15 74 5000 27 59 87 33 | hr) 1 let ■ । ■ > । ।f IIIIIFI 102 T4 i"1 ■ 1 'i 1 ■ ■ ■ i ■ ■ i ’I1* m/z—> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

0168.D SCAN508.M Fri Jan 25 10:25:52 2002 Page 4

NYC-WTC_000050507