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← Document results/DEP Box 22/GCMS X 11/21/01 A 12/21/01
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GCMS analysis results for sample AD28049, Jan 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS analysis of sample AD28049 conducted on January 2, 2002.

NYC-WTC_000034548–000034558

Folder label: “GCMS X 11/21/01 A 12/21/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC21O1\28O49.D Vial: 34 Acq On : 22 Dec 2001 12:17 am Operator: GALOS Sample : gems unknown 11/21 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 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.77 2.39 ng/uL 727811 1,4-Dichlorobenzene-d4 11.80

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 38 3 2-Pentanone ,/4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 38 4 Acetic acid; 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 Abundance Scan 320 (7.774 min): 28049.D (-) m/z. 43.10 100.00% 43

5000 59

101 —i. । । . fr Dr . . । . . . . । . 7.40 7.60 7.80 8.00 8.20

m/z-> .................. 10 20 30 38440 +53Ftntt 60 —TOCDTOCCTUCTDmnnT m/z 70 80 90 100 50 110 I 59.10 ’ 50.01% Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 8.20 m/Z 101.05 18.16% 31 101 .... 'I ITBnmT 73 83 . | • • P ■ • ' i ■ ■ • ■ i ■ ' 1 • i 1 i > > > • i > ■ 1 । i > m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274. 2-Pentanone, 4-hydroxy-4-methy- 43 "Ont—DO"‘*LI"-E112‘TIOT 7.40 7.60 7.80 8.00 8.20 5000 - m/z 58.10 15.25% 59

27 49 83 101 1 I 1 1 ■■ I ' 1 11 1 1 1 1 1 I 11 1 1 I 1 । । । । > 1 ■ i ■ ■ ■ ■ I ■ ■ ' ■ I 1 1 1 1 I 1 1 ■ 1 i ' 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- : i ■ ■ ' ■ i ■ ■ • ■ i 1 1 1 ' i 1 ■ k 1 P 4? 7.40 7.60 7.80 8.00 8.20 m/ z 41.10 7.51% 5000 59

miz-> 15 I 31 * * I ' ' ' ' I 1 ' - 11 1 । ■ '■> 10 20 30 40 50 90 83 101 OuBnpn—nom TTT ' 1 I I 1 । । ।11 । । । । । 60 70 80 100 110 7.40 A..... 7.60 ’ 7.80 8.00 8.20

28049.D NP112701.M Thu Dec 27 08:39:35 2001 Page 1

NYC-WTC_000034556

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