GCMS analysis results for sample AD31672, Jan 28 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C: \MSDCHEM\1\5973N\02 JAN17\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...\SCAN508.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. 3.60 0.16 ug/L 52169 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 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 (CAS... 102 C5H10O2 000623-42-7 78 Abundance Scan 20 (3.602 min): 31672.D (-) m/z 43.10 100.00% 43 74

5000 59 87 “ I ‘ “ 11 “1 * I ‘ “ I • ‘ “ I 3.50 3.60 3.70 3.80 3.90 4.00 0- ‘ 1 i 1 ■ : ‘ i ‘ 1149 ■ i • ' 1 1 । ‘‘ ‘ ■ । • ■ ■ • । ■ • ■ । ■ m/z 74.10 95.23% niz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 • ■ ■ । ■ ■ ■ 11 ■ ’> ■ । ■ ■ ‘ • । • > • ■ । <' ■ ■ i ■ ■ ‘ ■ i

87 3.50 3.60 3.70 3.80 3.90 4.00 59 m/z 71.10 71.29% 33 102 0- 1 * i • • * * i * * * * i * ‘ * • * । i — —— TT+ • . । ' t • • • 1 1‘ ■ i niz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9219: Butanoic acid, methyl ester 43 ■ ■ > i ■ “11 *■ i ■ ■ “ i ■ ■ “ i “ i'1 “ i 74 3.50 3.60 3.70 3.80 3.90 4.00 5000 27 m/z 41.10 34.96% 15 59 87 33 38 | I 1Q2 0- I • • । < » • •' । • > • • । +i ■ ■ i 1 ■ ■ 1 i ' ■ ■ • 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 26.15% 15 74 5000 27 59 87 0■ • i 1 ■ ' • i ' • • ‘ i 33 ----- 1 102 i *1*14**11*4*1 ■ • ‘ i • ■ “ i • ■. ■ i > “ ■ i • •' ■ 11" ■ i ‘1'11 /z—> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

31672.D SCAN508.M Tue Jan 22 08:37:30 2002 Page 3

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