GCMS analysis results for sample AD31672, Jan 28 2002

NYC 9/11 Public Portal Document ulbrary searcn compouria keport Data File : C:\MSDCHEM\1\5973N\02JAN17\31672.D Vial: 7 • Acq On : 17 Jan 2002 7:49 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 17, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1. . .\SCAN5 08. M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 3 Butanoic acid, 2-methyl-, m.. Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T.

4.62 0.12 ug/L 39139 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 50 2 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 50 3 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 50 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 47 Abundance Scan 109 (4,618 min): 31672.D (-) m/z 41.10 100.00% 41 57 88 71 5000

51 101 A 4.20 4.40 4.60 m/z 57.10 , LA 4.80 76.38% 5.00 0-11..... •1 r- ■ i ■ ■ ■ ■ i ■ ' ■ ■ । ■ mz-> 20 30 40 5060 70 80 90 100 110 120 Abundance #16436: Butanoic acid, 2-methyi-, methyl ester (CAS) $$ Me... 57 88

5000 4.20 4.40 4.60 4.80 5.00 27 101 m/z 88.00 75.05% 69 miz-> O—TT ■ ■ i 33 20 '' ' ■ i ■ ■ ■ ■ i ■ ■ 30 40 50 ----- 60 70 — 80 4 , 90 100 110 116 120 Abundance #16438: Butanoic acid, 2-methyl-, methyl ester 57 88 ........................ 41 i • • • ' i ■ • ■ ■ 1 ■ • ■ ■ i 1 ■ ‘ “ I 1 ‘ ' 4.20 4.40 4.60 4.80 5.00 5000 m/z 71.00 67.99%

101 691 74.1 0- • i ■ ■ ■ ■ i ■ ■ ■ ' i ■ 1 ■ ‘ i ‘ ■ ■ i ‘ ■ 'i ■ 1 ' PT ... AN)A.A, i ■ ' ‘ • i 1 • ■ ■ i ■ ■ ■ ‘ i ■ ' niz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #16434: Butanoic acid, 2-methyl-, methyl ester $$ Butyric... 57 88 4.20 4.40 4.60 4.80 5.00 m/z 43.10 55.50% 5000 27 101

m/z—> O—TT 20 30 ■ i • ‘ 40 • i • > 50 69 * I ‘ *1***’I* 1 » 60 70 80 90 100 G 110 120 \ 4.20 MMMAA.A, 4.40 4.60 4.80 5.00

31672.D SCAN508.M Tue Jan 22 08:37:30 2002 Page 5

NYC-WTC_000050047