GCMS analysis results, sample AE12324, June 2002

NYC 9/11 Public Portal Document Llorary searcn compound Report Data File : C:\MSDCHEM\1\DATA\052902\12324.D Vial: 12 $ Acq On : 29 May 2002 7:03 pm Operator: McLean Sample : gc/ms scan 5/24 fb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 16 1,3-Dioxane-2-propanol, 2-m... Concentration Rank 18 R.T. EstConc Area Relative to ISTD R.T. 7.72 0.21 ug/L 141056 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1,3-Dioxane-2-propanol, 2-methyl- 160 C8H16O3 036651-31-7 17 2 Methyl 1-methylcyclopropyl ketone 98 C6H10O 001567-75-5 9/ 3 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 8 4 Ethanone, 1-cyclopropyl - 84 C5H80 000765-43-5/9 Abundance Scan 789 (7.715 min): 12324.D (-782) (-) m/z . 43.10 100/.00% 43

5000 WWW/Ww 58 84

35 51 98 ‘ 7.40 7.60 7.80 8.00 0 "I"“1 " U-OJU. ■ i ■1 ■' i • - m/z 84.00 32.67% miz-> Abundance 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 #5776:1,3-Dioxane-2-propanol, 2-methyl- 40 58 TP"n"AtrpyW) 5000 7.40 7.60 7.80 8.00 | 84 m/z 58.05 31.51%| 69 01 ‘11 ■' ‘' 111'11'''1 r 45044 - 101 T033 T TT 145 i' ■ ■ ■ i ■ 11 niz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Abundance #5005: Methyl 1-methylcyclopropyl ketone 43 7.40 7.60 7.80 8.00 1 5000 m/z 87.00 22.36% 55

29 83 98 15 01 TTBaa +436 1136.1,, —— - 62 69 l11 ■ ■ i ■ ■ ■11 ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■1 ■ ■ i ■ ■ ■ ■ i • • mfz~> 10 20 30 40 50 60 70 80 100 110 120 130 140 150 Abundance #110033:4-Penten-2-one, 4-methyl- —4 * ‘“I ‘ 1 ' • I k ‘ ' 1 I ‘ ’ 1 I ' 1 ‘ ‘ I 40 7.40 7.60 7.80 8.00 m/z 41.20 19.98% 5000 83 55 98 — - 0t TTTTT nfe-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 7.40 7.60 7.80 8.00

12324.D 052202.M Mon Jun 03 10:52:25 2002 Page 19

NYC-WTC_000014326