GCMS analysis results, sample AE12321, June 2002

NYC 9/11 Public Portal Document ulDrary searen compound Keporc Data File : C:\MSDCHEM\l\DATA\052902\12321.D Vial: 9 Acq On : 29 May 2002 4:36 pm Operator: McLean Sample : gc/ms scan 5/24 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.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. 5.93 10.64 ug/L 7261720 1,4 -Dichlorob'enzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42- 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H12O2 000123-42-2 772 4 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 40 Abundance Scan 485 (5,929 min): 12321 .D (-478) (-) m/z 43.10 100.00% 43

5000 59 ____ . 1 >■ r ‘ > rij rv. . IFTA i । i । i । । 101 5.60 5.80 6.00 6.20 01 -344 53,, —IT 69 83 . | 125 • i ■ 1 ■ ’ i ■ • • ■ i ■ ■ • 11 1 ■ ■ ■ i ■ • ■ ■ i • ■ ‘ ■ i ■ m/z 59.10 33.49% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 1 1 1 1 ' 1 1 1 ‘ ■ |T 1 !* * • * । 59 5.60 5.80 6.00 6.20 m/z 58.05 21.48% 15 101

niz—> Of 10 L ?511 37,1 +53+ 20 30 40 50 60 70 80 90 100 110 120 130 83 1 |

Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 .................... — 5.60 5.80 6.00 6.20 5000 m/z 101.10 12.39% 59 27 37 101 ---4444 —T4 . 67 ,77 83 91 1 53 Of n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- ‘ 1**1 ′′′* 177 ‘ । l ■ » > 1 t 43 5.60 5.80 6.00 6.20 m/z 41.10 5.85% 5000 59

92 . 101 mfz-> 0: .... 25.31.27, 10 20 30 40 TIT II______ 50 83 93 |__________ ■' ■ ■ i ■ ■'' i 1 ■ • ■ i ■ ■ ■ 111 ■ ' ■ i ■ ‘ ■ 11 ■ 1 ‘ ■ i ■ ‘ 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

12321.D 052202.M Mon Jun 03 10:48:33 2002 Page 13

NYC-WTC_000014254