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 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 13 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 11

R.T. EstConc Area Relative to ISTD R.T. 5.96 0.49 ug/L 239610 1,4-dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qua

1 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H1202 000123-42-2/59 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 45 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 40 4 Acetic acid, l,l-dimethylethyl e... 116 C6H12O2 000540-88-5 25 Abundance Scan 490 (5,958 min): 604LB.D (-486) (-) m/ z 43.10 100.00% 43

5000 59

101 35 5.60 5.80 6.00 6.20 6.40 ....................... 111 83 ol 1 1 1 1 1 1 1 i 1 1 ' 1 1 1 1II + 48 . JI I ' ,T ‘t । । । । । । । । . m/z 59.10 40.43%

L miz-> 10 20 30 40 50 I60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.60 5.80 6.00 6.20 6.40 m/ z 58.10 21.40% 15 11 101 01 ......... 26,1 . 381, +53+ 83 — । i f-rt'r! | i i t I । i i i ! J 1 )1J■i > * ■ । > i > ’ > * ■ l *■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 - 560 5.80 6.00 6.20 6.40 5000 m/z 101.10 17.60% 59

93 — 93 101 miz-> 01 ......... 2.71.39, 10 20 30 40 50 60 83 1***1**‘I‘**II*I****I* 70 80 90 । 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 42.05 9.65% 5000 59 101 NAMww n/z-> 0 ...... 10 11177,32 20 30 ^.40'1 +4853 50 67 72 77 83 91 96, I 1——— 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

604LB.D 060302.M Wed Jun 05 12:28:50 2002 Page 16

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