GCMS analysis results for sample AE00556, Feb 2002

NYC 9/11 Public Portal Document X ~Ip Ult CCpUL —

Data File : C:\MSDCHEM\1\5973N\02JAN29\00556.D Vial: 3 . Acq On : 29 Jan 2002 12:12 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 29, 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 3 2-Buten-l-ol, 3-methyl- Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 4.63 0.12 ug/L 52549 1,4-Dichlorobenzene-d4 9.72 Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Buten-l-ol, 3-methyl- 86 C5H10O 000556-82-1 38 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 35 3 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 35 4 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 35 Abundance Scan 110 (4.630 min): 00556.D (-) m/z 71.10 100.00% 41 57 71 88 A 5000 101 l • • • ■ I ' ■ A 1A 4.20 4.40 4.60 4.80 5.00 51 | ■ । 1 ■ । ■ ' ' ■ । PT m/z 41.10 89.24% nz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #4074:2-Buten-1-ol, 3-methyl- 71

5000 39 53 AMMA.N.N........ 4.20 4.40 4.60 4.80 5.00 27 86 m/2 88.10 81.60% .. 1.. ..I, I-.. ll.l.. i 1 1 • ■ i 1 m/z-> 20 30 40 50 80 90 100 60 110 70 120 Abundance #16441: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 88 . ................. .. . 57 4.20 4.40 4.60 4.80 5.00 5000 m/z 57.10 81.53% 41 29 101 69 11 1 Tdl

1 ■ i ■ ' ■ ■ i ■ ' ■ ' i ■ ' ' ■ i ■ i ' ■ 1 ■ i ' ’

/z-> 20 30 40 50 90 100 60 110 70 80 120 Abundance #16436: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... l ■ ‘ ■ l 57 88 4.20 4.40 4.60 4.80 5.00 m/z 43.10 60.55%

5000

27 101 ) vw ? 1 33 69 ■ । ■ i ■ • > • । ■ i ■ HP i • i ' ■ 1 ' i 1 +1 ,.......................... 116 /z-> 20 30 40 50 60 70 80 90 100 110 120 4.20 4.40 4.60 4.80 5.00

>0556.D SCAN508.M Wed Jan 30 09:01:57 2002 Page 5

NYC-WTC_000051557