GCMS blank analysis results, June 11 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\0610022\LB.D vial: 7 Acq On : 10 Jun 2002 3:54 pm Operator: Sample : gc/ms scan 6/7 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 1 Butanoic acid, methyl ester Concentration Rank 16

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

3.47 0.39 ug/L 288908 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 64 2 Butanoic acid, methyl ester 102 C5H10O2 000623-42-764 3 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 64 4 3-Pyrrolidinol 87 C4H9NO 040499-82-0 22 Abundance Scan 67 (3.473 min): LB.D (-61) (-) m/z 43.10 00.00% 43 74 5000 59 Wyos, wWMWWAM

49 87 36 | — 82 J 320 3.40 3.60 3.80

m/z-> O+ 110.......... 20 1 30 40 50 60 70 ■ ■ i 80 ‘ i ■ ■ ■ ■ i ■ ‘ ‘ ■ i ■ 90 100 110 m/z 74.00 63.63% Abundance #109993: Butanoic acid, methyl ester 43 74

5000 27 59 87 3.20 m/ z JK 3.40 3.60 71.10 3.80 62.18% ft 01 ■ ■ i ■ ■ ■ ■ । » ,1111,33.34, 11,1531,.''l ' ' ■ 691’1 ' ' । 1 > । । । 1 1 TIPTT 102

... l... n/z-> 10 20 30 40 50 ।60 70 80 90 100 110 Abundance #109994: Butanoic acid, methyl ester 43 74 3.20 3.40 3.60 3.80 5000 m/z .42.05 27.79% 27

miz-> 0! 15

---4l ll 33 341 10 20 + 30 40 11 ' 1 53 50 60 59

70 69 ‘■‘■‘1'1 । ■ >'| 80 87

■ • i - • • । । 90 102 - i•i • ■ - i ■ 100 110 MwAjyWr Abundance #109995: Butanoic acid, methyl ester 4)3 3.20 3.40 3.60 3.80 m/z 41.05 26.70% 74 5000 15 27

59 87 | 102 wo/Mht m/z-> 0 TT—+ 10 21/111,33.34 20 30 40 1,1530, 'T- ■ ' 69 50 60 IH 70 ■ ■ i ‘ 80 ■ 1 i • ‘ 90 ■ i 1 ■ ■ • i ' 100 110 3.20 3.40 3.60 3.80

LB.D 060302.M Tue Jun 11 08:25:22 2002 Page 4

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