GCMS blank analysis results for sample AE10134, May 7 2002

NYC 9/11 Public Portal Document

- Data File : C : \MSDCHEM\ 1 \ DATA\ 0 5 0 2 0 2 \ 4 2 9LB . D Vial : 16 Acq On : 3 May 2002 1:32 am Operator: Mclean Sample : 4/29 ad Inst : Instrumen Miso Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

5.97 8.50 ug/L 5194560 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H12O2 000123-42-2/78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 4 Acetone____ 58 C3H60 000067-64-1 32 Abundance Scan 491 (5.964 min): 429LB.D (-485) (-) m/ z 43.10 ^100.00% 43

5000

48 53,, 59

83 101 ..... Il..... 5.60 5.80 6.00 6.20 6.40 ............................ . 1 । । i I i । | i । । । | i r i । [ i i । i i ■ I । | । i-1 [ r m/ z 59.10 37.14% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 I’IT* 5.60 5.80 6.00 6.20 6.40 59 m/ z 58.10 22.19% — 101 1 .......... 27.32 38) , 48 53 । [ । t i y i i i । । 1 । r । । r Til I I III 67 72 77 83 | i i i i । । i m [ 1 । 91 96, | । । । । । I । । । । । j-r

/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- r . . I I ii y li । i i i . 43 5.60 5.80 6.00 6.20 6.40 5000 m/z 101.10 14.87% 59

15 31 101 261 38,4 53 , । i । । । i k i । i i । i ii । । r i । । । । i'l — i i i I | i I i i | 83 । 11 । | | | । i , I । I 1 । i ’ | r

m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 1141 * ■ । ■ ■ ■ < । । । । • i ■ 43 560 5.80 6.00 6.20 6.40 m/ z 41.15 5.95%

5000 59

.............. 26,31 , SQii 92 83 93 101 — । 1। । । ।in।iiii।iii।pi TTT++ 1 i ■ ‘ 1 ■ i ' 1 1 1 i 1'1 1 1 i 1 1 1 1 i ■ ■ 1 " rMRRTPPpftT* m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

429LB.D 050102.M Mon May 06 12:27:39 2002 Page 9

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