GCMS analysis results for sample AD27624, Jan 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1901\27624.D Vial: 13 Acq On : 20 Dec 2001 6:52 am Operator: GALOS Sample : gems unknown 11/16 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 6 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 2

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

7.86 1.48 ng/uL 457928 1,4-Dichlorobenzene-d4 11.87

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy- 4 -methyl - 116 C6H12O2 000123-42-2 53 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 43 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 36 4 Acetic acid. 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 Abundance Z. m/ z Scan 329 (7.861 min): 27624.D (-) 43 43 • 10 100.00%

59 5000

101 N 7.60 7.80 8.00 8.20 38,4 +53+ 1 । | ■ ■ • ■ 71 । • i 83 ■ ■■ ■ ■ i 1 m/z 59.10 51.27% m/z->10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

------------------------ 5000 59 7.60 7.80 8.00 8.20 m/z 101.05 18. 23% 15 31 101 i 83 ■ • । ■ • ■ ■ । ■ ■ ■ i ■ ■ 1 1 ‘ ■ I I , , , TIB—mn—n—nT - m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 i 7.60 7.80 8.00 8.20 5000 59 m/z 58.10 15.30%

31 J 83 101 _____________________ I I_______ :_______ 73 TTIndnDmFLmETFTLII 83 । ________ ।_____ —1‘*--111000. ■ ■ i • ■ ■ ■ i ' ■ ' ■ i ' 1 m/z-> 10 20 30 40 50 60 70 30 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- / \ —ITT 43 7.60 7.80 8.00 8.20 m/z 41 10 6.40% _ 5000 59

m/z-> —---------- 10 20 27

30 40 + .... 83.. 101.. 50 I 1 1 ' 1 I 1 ' 1 11nnn*d""0-111/1/T | 1 60 70 80 90 100 110 7.60 7.80 8.00 8.20

27624.D NP112701.M Thu Dec 20 11:39:54 2001 Page 6

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