GCMS analysis results for sample AE03075, March 5 2002

NYC 9/11 Public Portal Document Library Search Compound Report •" Data File : C:\MSDCHEM\l\5973N\02FEB28\02714 .D Vial: 4 Acq On : 28 Feb 2002 1:00 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 2 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 8 Oxetane, 2,2-dimethyl- $$ B... Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 6.12 0.07 ug/L 26333 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual l Oxetane, 2,2-dimethyl- $$ Butane... 86 C5H10O 006245-99-4 5 2 Butanal, O-methyloxime (CAS) $$ ... 101 C5H11NO 031376-98-4 5 3 Butanal, 0-methyloxime 101 C5H11NO 031376-98-4 5

k; 4 2-METHYL-3,3-D2-AZIRIDINE 59 C3H5D2N 030691-55-5 4 Abundance Scan 243 (6.117 min): 02714.D (-) m/z 43.10 100.00% 43

5000 59 101 -A 49 86 5.80 6.00 6.20 6.40 0 -rrp-rrTp-rrrp-rTTp-rTrp-r -H— mam '“ I “ “ I ‘ m/z 59.10 38.78% mfe-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #4144: Oxetane, 2,2-dimethyl- $$ Butane, 1,3-epoxy-3-methy... 43

5000 ■ ■ ■ । • ■' । ''' ■ । * ■' ■ । ‘ ‘ ■ ■ । 56 5.80 6.00 6.20 6.40 27 m/z 58.10 32.28% 38 71 86 0 ’ 1’03181 TH + mH mm m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #8860: Butanal, O-methyloxime (CAS) $$ N-BUTYRALDEHYDE 0-M... 41 * 1 1 i * 1 ■ ■ i • • • * 1 * 1 1 > । ■ i 73 5.80 6.00 6.20 6.40 5000 m/z 100.90 18.92% 86 59 101 ‘i““। ' i1 '111 “ “i “ “ i ■ ‘ 0 11'' "I'11'1 'l■'1 'l" " 11"‘111 niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #8861: Butanal, O-methyloxime ' • ■ i • ■ ■ • i ■ ■ ■ ' i ■ ■ • ■ i ■ ■ ■ • i 41 5.80 6.00 6.20 6.40 m/z 85.90 7.14% 5000 73 MWMVuAAMA 86 101 0 ■ 'i ■ ■" i ■ ■ ■111i “ i [’T ■ i ■ ■ ‘ ■ i ■ ‘ ■ ■ i ,1.) l... J... M. ' 1 ■ I ‘ ‘ ■ I ' ' ' ' I ' ‘ ‘ I ‘ ‘ ' I m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 5.80 6.00 6.20 6.40

02714.D HP022102.M Fri Mar 01 10:07:01 2002 Page 10

NYC-WTC_000010900