GCMS blank analysis results, June 11 2002

NYC 9/11 Public Portal Document Library searen 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 19 Octane, 2,4,6-trimethyl- Concentration Rank 20

R.T. EstConc Area Relative to ISTD R.T. 8.70 0.27 ug/L 199960 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Octane, 2,4,6-trimethyl- 156 C11H24 062016-37-9 40 2 Decane, 2,5,6-trimethyl- 184 C13H28 062108-23-0/38 3 Hexane, 2,2,5,5-tetramethyl- 142 C10H22 001071-81-4 33 4 Hexane, 2,2-dimethyl- 114 C8H18 000590-73-8 25 Abundance Scan 957 (8.702 min): LB.D (-951) (-) m/z 57.10 00.00% 57

5000 43 71 85 ■ ' ■ i ■ ■ 1 • i 1 1 1 ■ i 1 1 11 i ' 1 1 ■ i 99 8.40 8.60 8.80 9.00

iz-> Of 20 ■ i' •1 ■ i ■ 30 ,..59.111 40 • i * • * * i ■ 1*00 50 60 70 80 90 100 110 120 130 140 150 160 m/z 56.10 42.31% Abundance #16491: Octane, 2,4,6-trimethyl- 57 43

5000 8.40 8.60 8.80 9.00 71 85 m/z 71.10 29.94% 29 Of — 15044 +-131211156 mfe-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #16364: Decane, 2,5,6-trimethyl- 57 43 ■ ■ i 1 1 1 1 n 1 ■ 1 i 8.40 8.60 8.80 9.00 5000 m/ z 43.10 28.95%

m/z-> Abundance O+ -TpP 20 30 40 +V 50 — 71 84 ■■.I'..... 60 70 80 90 100 110 120 130 140 150 160 #112499: Hexane, 2,2,5,5-tetramethyl- 127 150 i' ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i • • monlikha 57 8.40 8.60 8.80 9.00 m/z 41.10 27.81% 5000 41 71 wp/rs, mfe-> 0 -L +64 20 50 1 i 78 85, 95 103 111 119 127 135142 30 40 T"' 50 60 70 80 90 100 110 120 130 140 150 160 8.40 8.60 8.80 9.00

LB.D 060302.M Tue Jun 11 08:26:39 2002 Page 22

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