GCMS analysis results for sample AE08964, May 7, 2002

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Laboratory report documenting GCMS analysis of sample AE08964 conducted on May 7, 2002, by analyst DLV.

NYC-WTC_000049622–000049633

Folder label: “GCMS X 4/16/02 A 4/24/02”

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\DATA\020424\08964.D Vial: 15 Acq On : 24 Apr 2002 11:37 pm 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.16 13.52 ug/1 16062800 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual l 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 36 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 23 Abundance Scan 524 (6.158 min): 08964.D (-520) (-) m/z 43.10 100.00% 43

5000 59

101 580 6.00 6.20 6.40 6.60 Ot .................... 1 1 1 1 1 1 1 1 1 1 ' i ' ■ 381 111 +53+ l ■ ■ i 67 72 77 83 88 , I ■ i i r । i■i ■ > ] > ■ > J । < . . . । . m/z 59.10 47.50% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.80 6.00 6.20 6.40 6.60 m/z 58.10 20.45% 15 101 11 1 I 1 11 1 1 ' 2631 ■ 38,1 +53+ ——m)*TTTTT 83 | miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 .. ।. am i ■ri' 1111 580 6.00 6.20 6.40 6.60 5000 m/z 101.10 17.67% 59

. 101 ....... .. 26,31 , 381 II—* ■ ■ i ■ ■ ■ ■ i ■ • i 1 । ■ • ■ 1 । 1 m 83 93 । I • 1 ' * i ■ 1 • • i • ■ ■ ■ i ■ • • 1 i ■ ■ 1 ■ i ■ miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- i । । i i i i । • i' f i । ii i।1ri i Thr 43 5.80 6.00 6.20 6.40 6.60 m/z 41.15 6.59% 5000 59 101 .......... 27,32 38,1 1 i 1 1 1 1 i 1 • । ।>1i । +48,53+ 67 72 77 83 91 96, | TTRTTrprr T’TT 'f I* m/z—> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40 6.60

08964.D SCAN020424.M Thu May 02 14:53:01 2002 Page 5

NYC-WTC_000049630

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GCMS analysis results for sample AE08960, May 7, 2002 · Box DEP Box 27

NYC-WTC_000049571

Laboratory report documenting GCMS analysis of sample AE08960 conducted on May 7, 2002, by analyst DLV.

1 shared topics · Same agency, volume and box · similarity 0.998