DEP GCMS data table, Jan-Feb 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02FEB26\02088 .D Vial: 5 Acq On : 26 Feb 2002 6:06 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 2 6, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 3 Pentane, 2-bromo-4-methyl- Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 4.27 0.08 ug/L 36158 1,4-Dichlorobenzene-d4 9.72 Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Pentane, 2-bromo-4-methyl- 164 C6H13Br 030310-22-6 36 2 Methacrylamide 85 C4H7NO 000079-39-0 28 3 3-Methyl-2,3-epoxybutanal 100 C5H802 000000-00-0 28 4 3-Pyrrolidinol $$ 3-Hydroxypyrro... 87 C4H9NO 040499-83-0 14 Abundance Scan 79 (4.266 min): 02088.D (-) m/ z 85.00 100.00% 41 85

5000 60 55 ■ ■ i ■ f ■ ■ i ‘ r

0- ■ ■ i • • ■ • i ■ ■ ■ ■ j ■ ■ ■ > । i .... II, ----- a/n/In/nn/nonoi m/ z 4.00 41.10 4.20 4.40 4.60 81.75% n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63838: Pentane, 2-bromo-4-methyl- 43 85 5000 i ■ ■ 1 ■ i ■ 4.00 4.20 4.40 4.60 44.A 27 69 m/z 43.00 63.01% 15 57 0- ..... I , 1 37 11 | 1 ' 1 1 1 80 ..... + ,1 1 i 1 1 ' ■ i 1 1 107 ’t’1 ■ 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3601: Methacrylamide 41 85 .0, 4.00 4.20 4.40 4.60 5000 m/z 60.00 31.45% 69 27 I O'............... I' jii 111 fe-r... .. ........ l ■ i > ■ ■ ■ । ■ ■ ■ ■ । . n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #7969: 3-Methyl-2,3-epoxybutanal ■ ' ■ ■ । ■ 1 1 1 । 1 1 ■ 1 i 1 1 1 1 i ' 1 1 1 41 85 4.00 4.20 4.40 4.60 m/z 42.10 22.57% 5000 60

, 100 0/)) ■ I ' ' ' ' i ■ । ‘ ■ i ■ ■ I ' i ■ ' ■ ■ I । ‘ ■ i ' ■ /z—> 10 20 30 40 50 60 70 80 90 100 110 4.00 4.20 4.40 4.60

02088.D HP022102.M Wed Feb 27 08:35:14 2002 Page 5

NYC-WTC_000004633