GCMS analysis results for sample AE10025, May 2002

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Laboratory report documenting GCMS analysis of sample AE10025 conducted on May 14, 2002, identifying unknown compounds.

NYC-WTC_000044191–000044202

Folder label: “GCMS X 4/26/02 A 5/8/02”

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NYC 9/11 Public Portal Document

’ Data File C:\MSDCHEM\l\DATA\020507\10025 .D Vial: 24 Acq On 8 May 2002 10:47 am Operator: Nefliu Sample sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 15.11 ug/1 1352400 1,4-Dichlorobenzene-d4 11.38 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 40 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 4 Acetone______ 58 C3H60 000067-64-1 16 Abundance Scan 523 (6.152 min): 10025.D (-513) (-) m/ z 43.05 100.00% 43

5000 59

101 —' ' i 1 ■ ■ । । 1 ■ i ' । . rr-i-j-i । । i । । 5.80 6.00 6.20 6.40 83 1 1 1 i ' ■ 1 1 i 1 1 1 ' i ' 3714 j— ____53, 4 I 69 ' ' 1 1 i 1 1 ' ■ i 1 '' 1 ' i 1 131 m/z 59.10 49.17% m/z->10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ■ r i 1 1 1 'i■■ ■ ■ i ' ‘1017 '■। । । 59 5 80 6.00 6.20 6.40 m/ z 58.05 19.23% 15 31 _ 101 । I I ! | ! J. ' । , , ll 37 I ■ I I l 53, rri ■ | > • > > । ■ ■ ■ < । । 83 i | < I I > . > ■ I 1 । 1 1 । > > > > I > > < 1 I m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 1 rT' ■ । । ■ 1 -r. । . 580 6.00 6.20 6.40 5000 m/Z 101.10 18.09%' 59

,31 37 , 93 83 . 93 101 ( ■ 1 i 1 1'111'1' i ’ 1 1 1 I1 1i > 11•।। 1 > ।■ 1 ।। । • । । ' । 1 1 1 । । 1 1 । । । ' ' 1 1 । m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109590: Acetic acid, 1,1-dimethylethyl ester ‘ I‘‘*+‘‘‘*II I i- i । i 43 580 6.00 6.20 6.40 m/z 41.10 7.48% 5000 57

29 101 15

n/z-> ■ ■ । 10 i 11 ■ ■ 20 1+374 30 40 51 —I 1 1 1 1 1 1 । 73 50 1 ‘ 1 1 । 11 1 * । • 1 । ' । । 1 । । ।-| । । । । > । । । । ' । । । । 60 70 80 90 100 110 120 130 Pri —pmmmnni । P । । rT 5.80 6.00 6.20 6.40

10025.D SCAN020507 .M Tue May 14 08:46:19 2002 Page 5

NYC-WTC_000044199

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NYC-WTC_000044199Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE10061, May 2002 · Box DEP Box 25

NYC-WTC_000044203

Laboratory report documenting GCMS analysis of sample AE10061 conducted on May 14, 2002, including surrogate recovery data.

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