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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 AD28044, Jan 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS analysis of sample AD28044 conducted on January 2, 2002.

NYC-WTC_000034516–000034526

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\l\DATA\DEC2101\28044.D Vial: 35 Acq On : 22 Dec 2001 1:12 am Operator: GALOS Sample : gems unknown 11/21 Inst. : GC/MS Ins Mise Multiple: 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 2

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

7.78 0.97 ng/uL 342957 1,4-Dichlorobenzene-d4 11.79

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 38 3 tert-Butyl Hy ©peroxide 90 C4H10O2 000075-91-2 33 4 Acetic acid, / ,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 Abundance ’ Scan 321 (7.782 min): 28044.D (-). ............. m/z 43.10 100.00% 43 59 5000

101 ■ i ■ ' ■ ■ i ■ ■ ■ ■ i ' ■ I ' 1 ■ ■ t ■ ■ 7.40 7.60 7.80 8.00 8.20 ........................... T"I" "" TOITBE-DEETE11 38 1 - _83 1 1 i ' I ' ' ' ' I ' ' ' 1 I ' ' ' ' I ' m/z 59.10 50.52% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 18.91% 27 101 .1 ‘ 49 83 . I 4 I ’ 11 1 1 i 1 1 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275; 2-Pentanone, 4-hydroxy-a-methyl. 43 T-r-T r II18.T TI 7.40 7.60 7.80 8.00 8.20 5000 m/z 58. 10 15.13% 59 15 31 J 101 J 83 , , i ,, ■ , • • i • • • • t ' • ' • i ' • • • i • i TT i . .-j-TTr-rT-T-rT-r-T-r ....... m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #922: tert-Butyl Hydroperoxide ' I ■ ■ ■ ■ i ' ■ • ■ i • • ■ • i ■ ■ 59 7.40 7.60 7.80 8.00 8.20 43 m/ z 41.1.0 8.29% 5000

miz-> ■ ■ i 10 ■ ■ < ' j ‘ 20 . ■ 31 30 1 .. 37 i ■ ■ > > । 40 1L ... 50 . 60 i ' ■ ■ ■ i ' ■ ' ' i ’ ' ' ' i ■ ' 1 1 I ' ' 1' 1 1 70 80 90 100 110 .... A • l ' • • • l • ••• l 7.40 7.60 7.80 • ‘ I ‘ 8.00 ' 1 I ' 1 8.20

28044.D NP112701.M Thu Dec 27 08:38:09 2001 Page 1

NYC-WTC_000034524

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NYC-WTC_000034524Source: NYC Law Department, mirrored locally

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