GCMS reference analysis results for volatile organics, June 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\l\DATA\060702\12735.D Vial: 11 Acq On 7 Jun 2002 4:43 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 16 2-Pentanone, 4-hydroxy-4-me ... Concentration Rank 15 R.T. EstConc Area Relative to ISTD R.T.

5.95 0.44 ug/L 304895 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qua 1 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H12O2 000123-42-2 64 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 59 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 28 4 2-Pentanone, 4 - hydroxy - 4 - me t hyl -____ 116 C6H1202 000123-42/2 25 Abundance Scan 489 (5.952 min): 12735.D (-483) (-) m/z 43.05 100.00% 43

5000 59 101 ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■

51 560 5.80 6.00 6.20 83 .88 | m/z—> 0 ....... .... 38 1 +HH I' ■ ‘' I * “ * I'' ‘ ‘ I ‘1'' 1'1 ITh BTa > 11) 15 20 25 30 35- 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 111 * 1111.1111 > m/z 59.10 29.20% Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000' 5.60 5.80 6.00 6.20 59 m/z 58.10 25.37% 101

m/z—> 0 ..... 271/32.38,1 , 48 53 67—— TH 1au1—— 72“u—77 83 — ——EEI0 91 196, 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 | ——uTTmT Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 juilm 5.60 -444-4— 5.80 6.00 6.20 5000 59 m/z 101.10 14.58%

24 101 83 93 0 .......... ^,,1,^,0 ImHt 1’u-mPu——010—01900TOD1T 11 “' I" “ 11 ‘ n/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #109591: Acetic acid, 1,1-dimethylethyl ester ■ ■ i ■ ■ ■ ■ i ■ ■ 1■i'‘ ■ i ■ ■■■i• 43 5 60 5.80 6.00 6.20 m/z 41.10 6.30% 5000 57

101 MWAMNWwwjjt m/z—> 0- -3+4 Hmpm 73 89 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 ■ ■ । ■ ■ ■ • । ■ ■ ■ ■ ।' ■ ■ ■ । ■ ■ ■ ■ । • 5.60 5.80 6.00 6.20

12735.D 060302.M Mon Jun 10 11:22:57 2002 Page 19

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