GCMS header page dated December 13, 2001

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1301\LB.D Vial: 2 Acq On : 13 Dec 2001 11:17 am Operator: GALOS Sample : gems unknown 11/15 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 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.81 1.46 ng/uL 966263 1,4-Dichlorobenzene-d4 11.86

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 59 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 45 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 28 Abundance Scan 324 (7.815 min): LB.D (-) m/ z 43.05 100.00%] 43

5000 59

101 7.40 7.60 7.80 8.00 8.20 38,4 +53+ — 83 | TP ■! 1 TPP — T 1 m/ z 59.10 49.03% m/z-> 10 20 30 40 50 60 7G 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 8.20 m/Z 58.10 17.83% 15 31 101 I • i 83 - i 1 ' ■ i ■ ■ ' ■ i ■ ■ ■ • i ' 1 ■ ' i *1 . , . .-Y-r-r-n-j-r'. Ty m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274; 2-Pentanone, 4-hydroxy-4-methyl- 43 7.40 7.60 7.80 8.00 8.20 5000 m/z 101.05 17.09% 59

101 r-r-r-r-r-j-r-T-T-r-j- 271 । 49 | 83 । .-r-r-r-j-r-T-r-r | > i > TEnn m/z-> 10 20 30 40 50 60 ____ 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 7.40 7.60 7.80 3.00 8.20 m/ Z 41.10 7.05% 5000- 59

31 I 93 101 ------- — — ---+ —4 1....... 73 83 ....... ........... TM—TPnPmm m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

LB.D NP112701.M Fri Dec 14 12:59:13 2001 Page 2

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