GCMS sample analysis results, AE11903, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11903.D Vial: 10 Acq On : 22 May 2002 9:09 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.94 11.74 ug/L 8666520 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qua

1 2-Pentanone, 4-hydroxy-4-methy1- 116 C6H1202 000123-42-2(90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5/25 Abundance Scan 486 (5.935 min): 11903.D (-480) (-) m/z 43.10 100.00% 43

5000 59

101 d—nmTTTmmmmm! 5.60 5.80 6.00 6.20

m/z-> 0! . P1 3,1 10 20 30 40 50 +53++ 60 । 69 83 88 I ' 1 1 1 1 1 1 1 1 I 11 ' '1 1 1 ' 1 I ' 1 1 1 1 1 70 80 90 100 110 m/z 59.10 39.18% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 .................... \.......................

5000 59 5.60 5.80 6.00 6.20 m/z 58.10 21.51% 15 101

n/z-> 01 1 ■ i 1 10 .20.. ?f.31 30 .39,40 +53+ 50 60 83 | I ■ • • • j • ■ • • i >• j < » > i j » . . . । . 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 TTIB—nmmOTLEEmTt1‘3I‘1 5.60 5.80. 6.00 6.20 5000 59 m/z 101.10 15.41%

M 101

m/z-> 0+ ,........ 10 20 29,71 30 .39,140 —T4+ 50 60 83 93 | 1 I ' ■ 1 ■ i ' ■ ■ ■ i ■ L ■ ' i ■ ■ ■ 1 i ■ ■ ■ ' i ■ 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 ■ ■ i ' ■ ■ ■ i 6.20 m/z 41.05 6.47% 5000 59 . 101

n/z-> 0 .10..20 77,3238, 30 40 .48 53,, 50 67 72 77 83 91 36. | I ■ ‘ ■ ■ "I 1 ' 1 1 T'1 1 1 1 1'1 1 1 '11 1 1 1 1 1 1 60 70 80 90 100 110 TTTTTTTTrrrrr 5.60 5.80 6.00 6.20

11903 .D 052202. M Tue May 28 12:07:48 2002 Page 13

NYC-WTC_000012925