GCMS analysis results for unknown compounds, June 2002

NYC 9/11 Public Portal Document UDLCLy ocaiua LopOUIU KCDOL L

Data File C:\MSDCHEM\1\DATA\060702\12742.D Vial: 16 Acq On 7 Jun 2002 8:47 pm Operator: Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library- : C:\DATABASE\NIST98.L

Peak Number 9 Propanoic acid, methyl ester Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T.

4.52 1.57 ug/L 1030460 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Propanoic acid, methyl ester 88 C4H8O2 000554-12-1 25 2 Pentane, 2,2-dimethyl- 100 C7H16 000590-35-2 10 3 Propanamide, 2,2-dimethyl- 101 C5H11NO 000754-10-9/9 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 9 Abundance Scan 245 (4.519 min): 12742.D (-240) (-) m/ z 57.10 100.00% 57

88 5000 41 A 0- ■ ■ i ■ ■ ■ ■ i ■ ■ ' ■ i 1 1 1 1 I 1 1 1 1 I I....... 48

41I I ■ • f * I ‘ ' TGI4 ’ ’ITE 101 ■ ■ ■ i • ' ■ • i ■ ■ ■ 1 i ■ ■ ■ • i ■ ■ ■ ■ i

rn/z 4.20 4.40 87.95 4.60 4.80 50.65%

"MAvW/op i ■ ■ ■ 1 । ' 1 1 1 i n/z-> 0 10 20 30 40 50 60 70 80 90 100 Abundance #485: Propanoic acid, methyl ester 29 57

5000 88 ■ ' ■ i ■ ■ • ■ i • • ■ • i • ■ ■ ■ i ■ ■ ■ 1 i 4.20 4.40 4.60 4.80 15 m/z 41.05 44.90%

m/z-> 0- ■ ■ 1 1 ■ • ■ i ■ 1 0 10 1603 20 +39 47—4 30 40 50 60 70 73 1 1 1 1 1 1 1 1 1 ' 1 1 1 1 80 90 i ■ ■ ■ ■ i • ■ • ■ i 100 Abundance #16261: Pentane, 2,2-dimethyl- 57 43 1 ■ ■ i • ■ ■ ’ i • ■ ■ ' i ■ ■ ■ ■ i ■ ■ ■ 1 i 4.20 4.40 4.60 4.80 5000 m/z 86.90 29.50% 29 85

0- 2 15 I ■ ' I ' ' ‘ ' I ' ' ' ‘ I ‘ +371 +514 , 63 69 77 100 Iautdmtrt > । । 1 1 1 1 I 1 1 1 1 i AW/Ah n/z-> 0 10 20 30 40 50 60 70 80 90 100 Abundance #112119: Propanamide, 2,2-dimethyl- 57 4.20 4.40 4.60 4.80 m/z 85.00 29.07% 5000 29 41

86 101 | "YMWWA/Kojt 0 ■ ■ i 1 • • ■ i ■ 1 ■ ‘ i ■ ■ • 1 I ■ • ■ TH ......... <.......... ... .............................................. ■ ■ i 1 1 ■ ■ i ■ • ■ ■ i ■ ■ ' ■ i ■ ■ ■ ■ i m/z-> 0 10 20 30 40 50 60 70 80 90 100 4.20 4.40 4.60 4.80

12742.D 060302.M Mon Jun 10 11:26:37 2002 Page 12

NYC-WTC_000015327