GCMS analysis results for sample AD31644, Jan 28 2002

NYC 9/11 Public Portal Document ulbrary searcn compound Keporc Data File : C: \MSDCHEM\1\5973N\02JAN17\31644.D Vial: 4 • Acq On : 17 Jan 2002 5:19 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 17, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l..-\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester Concentration Rank 8

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

3.60 0.15 ug/L 59574 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 78 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 72 4 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 64 Abundance Scan 20 (3.602 min): 31644.D (-) m/ z 43.10 100.00% 43 74

5000 59 87 3.50 3.60 3.70 3.80 3.90 4.00

miz-> Oh ' | 10 । । 20 30 । i 149 40 50 60 70 ----- 80 90 100 110 m/z 74.10 78.54%

Abundance #9219: Butanoic acid, methyl ester 43 74 5000 27 15 ' 3.50 3.60 3.70 3.80 3.90 4.00'' ‘ 59 87 m/z 71.10 65.19% 33 38 | 102 0■ » i • 1 • • । > i • TH + ■ ■ i ■ ■ ■ 1 i ■ ■ ■ ■ i ' ' ' ■ i mlz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9227: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 ...... y.................... ■■ • i • ■■ ■ i ■ •■ ■ i1 ■ ■ ■ i ■' • • i ■ “ ■ i" ■' i 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 39.72% 59 87 69 O' > । P-Pi ] । i । । । i i i । । 4 TH+ 1 1 i ' 1 ‘ 1 i 1 ■ 1 • 102 i'1 ■ ■ ‘ i /z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9224: Butanoic add, methyl ester (CAS) $$ Methyl butyrat.. i ■ ■ ■ ‘ i ■ ■ ■ ■ i" ■' i “ “ i 4 3.50 3.60 3.70 3.80 3.90 4.00 74 m/z 59.00 28.11% 5000 27 59 87 | 102 0 ............... 133 It, • I • k ‘ I ‘ 69 + ' ‘‘l 1 t I • i • < | * ‘ ‘ ‘ | l • ‘ ' | /z—> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

31644.D SCAN508.M Tue Jan 22 08:37:17 2002 Page 3

NYC-WTC_000049996