GCMS blank analysis results, June 5 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\060402\604LB.D Vial: 3 Acq On 4 Jun 2002 5:29 pm Operator: McLean Sample 6/4 Inst : Instrumen Misc. Multiplr: 1.00 MS Integration Params: LSCINT.e 2" 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 9 R.T. EstConc Area Relative to ISTD R.T. 3.47 0.53 ug/L 261400 1,4-dichlorobenzene-d4 9.90

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 000623-42-7/56 3 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 50 4 Pentanoic acid, methyl ester 116 C6H1202 000624-24-8 9 Abundance Scan 67 (3.473 min): 604LB.D (-62) (-) m/ z 43.10 100.00% 43 74

5000 Wopw 59 87

■n/z-> Ot — 10 20 ..... 30 M40 38

50 L 51 1 60 70 80 ■ ■ i ' ''■ 1 i ■ ' ■ • i ■ ' ■ ■ i '

90 100 110 320 m/z 3.40 74.10 3.60 3.80 88.07% Abundance #109995: Butanoic acid, methyl ester 43 74 5000 15 27 3.20 3.40 —Manpuns) 3.60 3.80 59 m/ z 71.10 65.22%

i 87 I 102 Ot 111 I —23341 +53, 69 ■ T- ' ■ '' 111 1 1 j 1 1 1 1 i 1 1 ■ ■ r11 1 ' i 1 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109994: Butanoic acid, methyl ester 43 74 320 3.40 3.60 3.80 5000 m/z 41.10 58.43%

miz-> Ot 15 27

11101010193 +453, —69H 10 20 30 40 50 60 59

70 80 87 102 * 1 i ■ p * * । । ■ ■ ■ । • 90 100 110 MkuMp Abundance #109993: Butanoic acid, methyl ester 43 74 320 3.40 3.60 3.80 m/z 42.05 27.05% 5000 27 59 87 MHwyyA" m/z-> 0 ...... 10 1111,33.39, 20 30 40 +1753, mP ' 69''r1 50 60 70 102 ■ ■ i ' ■ 1 1 i ■ ■ ■ ■ r1 ■ ' • i ■ 80 90 100 110 3.20 3.40 3.60 3.80

604LB.D 060302.M Wed Jun 05 12:28:31 2002 Page 4

NYC-WTC_000015503