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← Document results/DEP Box 18/GCMS X 5/16/02 A 5/20/02
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GCMS analysis results for sample AE11423, May 2002

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AE11423 conducted on May 30, 2002.

NYC-WTC_000025479–000025493

Folder label: “GCMS X 5/16/02 A 5/20/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052002\11423.D Vial: 13 Acq On : 20 May 2002 11:03 pm Operator: Mclean Sample : 5/16 eh Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.97 15.73 ug/L 12027500 1,4-Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetone______ 58 C3H60 000067-64-1 32 Abundance Scan 492 (5,970 min): 11423.D (-479) (-) m/ z 43.10 100.00% 43

5000 59 I _ 1 1 i ■ 1 1 1 i ' 1 1 1 i 1 ' 1 ■ i ■ 101 5.60 5.80 6.00 6.20 6.40 53 69 83 | 119125 Of 1 ' i ' 1 1 1 I 1 ' 1 1 I ' 1 ml bi ' 11 ’/ ( ■ ‘ 1 ■ i ' 1 1 1 i 1 r ' ' i 1 ' ' 1 i 1 ' 1 ' i ' 1 ' ■ i 1 1 ' ■ i 1 1 m/ z 59.10 33.26% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

............ i ................. 5000 59 5.60 5.80 6.00 6.20 6.40 m/z 58.05 21.27% 15 31 101

m/z-> Of 11111125137* 1-53 10 20 30 40 50 83 I | ■ ■ ■ - । ■ ■ - ■ । ■■■ ■ ■ ।

60 70 80 90 , | ■ I । । ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ > i ■ ■

100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 _______ 5 60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 12.51%

93 83 . 93 101 । 0+ ........... .. 1 ' " i "'i I 1 1 1 ' i 1 ' 1 1 i 1 1 ■ ' i 1 1 1 1 i 1 1 ' • i ' ■ ■ 1 i 1 ■ ' ' i ' 1 /z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.20 5.65%

5000 59 101 27 37 0 -44 53 ++ 67 77 83 91 , | I ■ 1 ' 1 i ■ ' r 1 i1 1 ' ■ i ■ ■ 1 1 i 1 1 1 ■ i 1 1 ■ ■ i ■ ' ■ 1 i ■ ' TTTTRTTTi Tl/Z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

11423.D 050102.M Thu May 23 10:49:42 2002 Page 6

NYC-WTC_000025489

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NYC-WTC_000025489Source: NYC Law Department, mirrored locally

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