GCMS analysis results for sample AD27765, Jan 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1901\27765.D Vial: 8 Acq On : 20 Dec 2001 2:18 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 10 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.83 7.87 ng/uL 1768640 1,4-Dichlorobenzene-d4 11.87

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 38 2 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 36 3 Acetic acid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 4 CH2=CHCH2C(O)OCH3 100 C5H802 003724-55-8 10 Abundance Scan 326 (7.831 min): 27765.D (-) m/z 43.10 100.00% 43 59 5000 I — II 101 7.40 7.60 7.80 8.00 8.20

miz-> ' ................ ... ' 1 ' 1 । 10 20 30 384 11+ 40 53 , 50 1 60 70 67 1 ■ I ' ■ ■ ■ I 80 83 • 1 I ■ ' 90 — 100 110 m/z 59.10 51.78% Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 —।1PPPT 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 17.75% 15 31 . 101 | I I 83 I ' ' ’ 1 1 ’ ’ 1 ' 1 1 I ' 1 1 1 I 1 1i miz-> 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 1

5000 m/z 58.10 14.86% 59

101 ' ' I ' ' ' ' I 27 49 I ■ ■ i ■ ■ ■ • i > > • ■ i • ■ ■ ■ । • ■ ■ • । 83 i * ' m/z--> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 l • ■ • ■ i • 7.40 7.60 t 1— 7.80 8.00 8.20 m/ z 41.10 7.18% 5000 57

101 15 27 i 1 ' ' 1 i 1 1 ''r i ' 1 1 1 i 1 fi m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27765.D NP112701.M Thu Dec 20 11:44:50 2001 Page 10

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