GCMS unknowns analysis results for sample AD27874, Jan 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1901\27874.D Vial: 6 Acq On : 20 Dec 2001 8:43 pm Operator: GALOS Sample : gems unknown 11/20 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 4 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.83 1.51 ng/uL 1324870 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 43 2 Acetic acid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 3 2 - Pent anone , 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 25 4 Acetic acid. cyano-, 1,1-dimethylet 141 C7H11NO2:_______ 001116-98-9 23 Abundance Scan 326 (7.831 min): 27874.D (-) m/z 43.10 100.00% 43 59 5000

101 i ■ ■ ■ ■ i ■ - — 69 83 , | 7.40 7.60 7.80 8.00 8.20 ................................... ■ • । .. ■ 1 1 i 1 ■ 1 11 1 1 1 1 1 1 +53+ 1 ‘ i • ■ ■ ■ i ■'■ ■ ■ i ■ ■ ■ 1 i ' 1 ■ ■ i ■ m/z 59.1,0 50.37% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 40

5000 i ■ ' 1 1 i ' ' T I—mnnmT 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 17.46% 27 _____ ________ I I ■ ■ i ■ 1 ' 1 I 1 1 1 1 I1 ' ' ' I 1 T. 1 I ' . 49 I— —————————83—101 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #2282: Acetic acid, 1,1-dimethylethyl ester i 43 l ' • ■ ■ i ■ 7.40 7.60 7.80 8.00 8.20 5000 57 m/ z 58.1,0 15.61% 101 15 27 ! ' ' l ' ' ' ' I ' ■ ' i ■ 1 ' ■ i ■ ■ ■ ■ i < | • ■ • ■ | ‘ | ‘ | " iVI | | I I I | I miz- 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43 7.40 7.60 7.80 ' 8.00 8.20 m/z 41.10 7.52% 5000 59

15 31 ) 83 101 ' ■ M ' ' 1 1....... T I..... ■ ’ 1 1 11 ■ l ■ ’** 0nnuumuuuuu—meuuti —RTDrTrT 1f miz-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27874.D NP112701.M Fri Dec 21 09:57:59 2001 Page 4

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