GCMS re-analysis comments for sample AE10519, May 29, 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\020521\10519.D Vial: 9 Acq On : 21 May 2002 4:17 pm Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020521.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 14.60 ug/1 1179740 1,4-Dichlorobenzene-d4 11.37

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 45 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 3 2 - Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 4 2-Propanol, 2-methyl- 74 C4H10O 000075-65-0 23 Abundance ' Scan 523 (6.152 min): 10519.D (-518) (-) m/z 43.10 100.00% 43

5000 59

101 580 6.00 6.20 6.40 69 83 , | Ot ............................... 1 1 i ' 1 1 1 i 11 1 1 n 1 1 “ 1 .. +534 *nnnnn/m——n—mm——mmo m/z 59.10 50.26% miz—> 10 20 30 40 50 160 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ' ‘ i ' ' ' ' i ' ' ' ' I 'i^T1 ■ । । । * 59 5 80 6.00 6.20 6.40 m/z 58.10 20.19% 15 101 , , , 26,31 38, +53+ I'r III 0+ 17 i I’I" 1 1 1 ■ 1 1 i 1 ' ' It - i 83 ■’■ ■ ■ i 1 41 . mz-> 10 20 30 40 50 60 70 80 90 100110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 m—mmETEETTT’ 5.80 6.00 6.20 6.40 5000 m/z 101.10 15.96% 59 101 o! ............ 1 ' i 1 1 1 1 i 1 12732 1 । । 1 । 38,1 I’’It 148,53, 67 72 77 83 91 96, | ■ ' ' ■ i ' 1 ' 1 I ' ■ ' ' i ■ I ‘ ' 1 ' i ■ 1 ■ ' i miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 1 1 | ‘ 1 * * | 1 1 ' 1 | 1 dnnnl T| . 43 580 6.00 6.20 6.40 m/z 41.05 6.65% 5000 59

«a — 101 0 ........ ■ 'i . , 26,31 , ,3g1 r■,1 1I' 1 I 1 1 1 1 r1 1 ■ ■ ■ 1 83 I ' ' ' ■ i 1 1 1 1 1 1 1-1 ' I 93 । 1 ' I ' 1 1 1 i ' n It ,~p i‘f1 ri (e ■(-. m/z—> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6,40

10519.D SCAN020521.M Fri May 24 09:20:33 2002 Page 3

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