GCMS blank results for sample AE03612, March 28, 2002

NYC 9/11 Public Portal Document , Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02MAR08\03612.D Vial: 2 Acq On : 8 Mar 2002 4:25 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 8, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 4 Butanoic acid, 2-methyl-, m.. Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 4.64 0.11 ug/L 58601 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 74 2 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 72 3 Butanoic acid. 2-methyl-, methyl... 116 C6H1202 000868-57-5 64 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 64 Abundance Scan 112 (4.638 min): 03512. D (-) m/z 57.10 100.00% 57 88

5000 43 101 1 • ■ i ■ ■ ■ ■ i ■ 51 4.20 4.40 4.60 4.80 5.00 0— i ——————— ■ i ■ ■ ■ ■ i ■ । ■ ■ ■ 1 !■ • ■ ■ । 1 ‘ • • । • 1 rn/z 88.00 97.60% miz-> 20 30 40 50 60 70 80 90 100 10 120 Abundance #16434: Butanoic acid, 2-methyl-, methyl ester $$ Butyric... 57 88

5000 27 4.20 4.40 4.60 4.80 5.00 101 m/z 43.00 ____ 32.02% 69 —..... 4 3 0- • i • • • • i • • — ——— miz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #16439: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88 V XA 4.20 4.40 4.60 4.80 5.00 41 m/z 85.00 26.51% 5000

69 101 A miz—> 0- ' i ' ■ ' ■ i ■ ‘ ■ ■ i‘ ■ ■ ‘ i ■ 1 20 30 40 50 60 IL70 80 FLTTTT TTuP311T 90 100 110 120 Abundance #16435: Butanoic acid, 2-methyl-, methyl ester 1 57 83 4.20 4.40 4.60 4.80 5.00 m/z 59.00 q 5000

101 27

m/z—> 1 33 0- • i ‘ 1 ‘ ■ i ' ■ 1 ' i ■ • ■ ‘ i ■ ' 20 30 40 50 69 --------— j_____ 60 70 80 90 116 ।' ■ • ' i 1 ■ ■ • i ■ ■ 1 ■ j 1 • 100 110 120 A A 4.20 4.40 4.60 4.80 5.00

03512.D HP022102.M Fri Mar 15 10:09:16 2002 Page 6

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