GCMS analysis results for sample AE10515, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\l\DATA\MAY1002\10515.D Vial: 38 Acq On : 12 May 2002 2:10 am Operator: Sample : gc/ms scan 5/2 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0510.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 8.14 14.66 ug/1 1260660 1,4-Dichlorobenzene-d4 12.16 Hit# of Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 2 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 3 CH2=CHCH2C (0) OCH3 100 C5H802 003724-55-8 8 4Acetone 58 C3H60 000067-64-1 7 Abundance Scan 338 (8.139 min): 10515.D (-) m/z 43.05 100.00% 43

5000 59

101 ' ' I 1 ' 1 1 I 1 1 ' ' I ' d.T I 1 ' 1 ' I ' 7.80 8.00 8.20 8.40 1 69 83 r1 ‘ 1 ‘ i 1 ■ ■ 1 i 1 1 ■ 1 r 1 3? | 1.53.-IITTT ' l ' 1 1 1 i ' 1 1 1 i ' m/ z 59.10 43.29% m/z-> 10 20 30 40 50 ।60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 । । । । 1 । 1 । । 1 ' ' । । । 1 । । । । 59 7.80 8.00 8.20 8.40 m/z 58.10 16.32% 27 101 83 49 ,, —1P—-P—99B9PRPT । i1' ' ' ' i ' - PH4+ m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1691:3-Hydroxy-2-pentanone 31 59 - i i | i I i । [l l I jil । । । । I I 1 I | I 7.80 8.00 8.20 8.40 5000 m/z 101.15 14.46% 45 15 66। । | 73 84। । I | । I 1 I 102 ‘ ‘ I ' ' ' 1 I ‘ 1 ’tICv"rII 1 ' i 1 1 1 । । iii I [ । [ T i i i । r m/z-> 10 20 30 40 50 60 70 80 90 100 110 ■ Abundance #1448: CH2=CHCH2C(O)OCH3 '■ । ■ ■ ■ ■ i1' 1 ■ i r 'T1i ■ ■ ■ ' i ■ 43 7.80 8.00 8.20 8.40 m/z 41.05 6.99% 5000

58 72 ....................381 i ■ ■ ■ ■ i ■ ■ ■ ■ i ' ■ ■ । I i - 1100 100 1111 T1 r1 ‘ । 111/1,13 1 T1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40

10515.D GCMS0510.M Thu May 16 14:52:50 2002 Page 1

NYC-WTC_000045320