GCMS blank analysis results, sample AE10019, May 2002

NYC 9/11 Public Portal Document

' Data File C:\MSDCHEM\l\DATA\020507\0426LB.D Vial: 4 Acq On 7 May 2002 3:08 pm Operator: Nefliu Sample 04/26 lab blk Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 14.43 ug/1 1375710 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 56 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 4 Formamide, N,N-diethyl- 101 C5H11NO 000617-84-5 9 Abundance Scan 523 (6.152 min): 0426LB.D (-516) (-) ,m/ z 43.10 100.00% 43

5000 59

101 67 73 83 , | 109 580 6.00 6.20 6.40

/z-> .......... 10 20 — 30 37,l 40 ,I ,I ,53 I I 7TT 50 60 70 80 90 100 110 m/z 59.10 45.31% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 -' 1 i ' 1 ' ■ T' ■ 1 1 i 1 1 '^l 1 1 1 1 1 1 59 580 6.00 6.20 6.40 m/z 58.10 19.91% 15 31 101 I 25,,, | 37. ,, 83 53 , —I—a—n—TTTTTTTTT । > । ' 1 ■ । I । । i‘l'|li । । ’Il i ■ । । Ii’ , I n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5 80 6.00 6.20 6.40 5000 59 m/z 101.10 15.11%

92 93 101 — n/z-> —10......20 25.131.274 30 40 1—4 50 60 70 80 83 90 t 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 —---P 580 6.00 6.20 6.40 m/z 41.10 6.84% 5000 59 27 37 — 101 • । ii J___ 53 67 77 83 91 | ,i.i । 1 1 I 1 1 ' 1 I ' ' 1 1 i 1 1 । ' —4+ I ■ ' ' ' i 1 1 ' ■ i 1 ' ■ ' i ' 1 1 1 r1 ' 1 1 1 1 1 1 r । m * 1 1 r r । Tp i" r rr 1 nfe-> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40

0426LB.D SCAN020507.M Thu May 09 10:55:34 2002 Page 3

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