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GCMS analysis results for sample AE09156, May 2002

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AE09156 conducted on May 8, 2002.

NYC-WTC_000046420–000046433

Folder label: “GCMS X 4/17/02 A 4/24 - 4/26/02”

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NYC 9/11 Public Portal Document

‘Data File : C:\MSDCHEM\1\DATA\020424\09153 .D Vial: 22 Acq On : 25 Apr 2002 6:29 am Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020424.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1

Peak Number 4 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 6.16 15.90 ug/1 20233300 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 83 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 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 9 Abundance Scan 524 (6.158 min): 09153.D (-520) (-) m/z 43.10 100.00% 43

5000 59

101 +4HHHHH 5 80 6.00 6.20 6.40 6.60 67 83 ... ............. tr 51 > 111111 ■1 ■r i■ i ■ ■ 164 m/z 59.10 49.13% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.80 6.00 6.20 6.40 6.60 m/ z 58.05 19.15% 15 31 101 -4 +51+ Il 1 < ■ > i ‘ ■1 ■ i83 । ■,11I 1 > ■' i ■'' । । ।1'1' t11111' ।1111'1 ■ i11 m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 ■ ■ l ■ < ■ 1 1 i ■ r । | ■ 1’77 t i । i । i 580 6.00 6.20 6.40 6.60 5000 59 m/z 101.10 17.88%

31 83 93 । 92 — 101 /z-> 111' '111 ■ ■'1 r1 ’ TTTT+ i''1 11''1' r ■1 ■ i ■'1 ' i1' 1' i 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 ।1 ■ ■' । ■11 ■ ।' ■ ■' ।111 r ।

Abundance #109590: Acetic acid, 1,1-dimethylethyl ester 43 5.80 6.00 6.20 6.40 6.60 m/ z 41.15 6.99% 5000 57

29 101

n/z—> 15 '11 ■111111 10 20 + H Tprr 30 40 73 111’’1’E11011100113100000—0700RTTTam 50 60 70 80 90 100 110 120 130 140 150 160 170 miuegifvi mm ni । । । 5.80 6.00 6.20 6.40 6.60

09153.D SCAN020424 ,M Fri May 03 11:00:27 2002 Page 6

NYC-WTC_000046429

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NYC-WTC_000046429Source: NYC Law Department, mirrored locally

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