GCMS analysis results for sample AE10066, May 2002

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Laboratory report documenting GCMS analysis of sample AE10066 conducted on May 14, 2002, including surrogate recovery data.

NYC-WTC_000044215–000044226

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\10066.D Vial: 26 Acq On 8 May 2002 12:45 pm 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 13.33 ug/1 967877 1,4-Dichlorobenzene-d4 11.37 Hit# of 5 Tentative ID MW MolForm CAS# Qual

2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 2 -Pentanone , 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 40 4 Acetic acid. 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 28 Abundance ki Scan 523 (6.152 min): 10066.D (-519) (-) m/ z 43.10 100.00% 43

59 5000

101 1 ' i 1 ' 1 1 i ■ ' ■ r 1 1 1 1 ........ 1 1 580 6.00 6.20 6.40 rr l-l I I | ! > mpprretl +514 71 83 111' ■ i ■ ■' ■ i ■ ■ ■ ■ i ■ ■ ■111 ■' 115 156 m/z 59.10 56.18% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 580 6.00 6.20 6.40 m/ z 58.10 18.79% 31 83 — 92 93 101 । ..... . tin rl 1 I 1 1 1 1 । 1 1 1 1 । 1 1 1 1 । ■ 1 ' 1 । 1 1 1 । | 1 1 । । | । rri |-ri r, |'i ri 1 । i i i i । i i m/z--> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 1 1 * 1 1 i ■' ri 1 i 1 1 ITmmTr i' 580 6.00 6.20 6.40 5000 m/z 101.05 18.30% 59 27 2 67 83 91 101 -44 +7 51 1111" ' ■ । । । '11' " 11' " 11" " 111" 11" 111" 1111 m/z--> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- ......................................... ' 1 1 1 1 * ' I 1 1 1 1 I 1 1 TTTr I I I I I 43 580 6.00 6.20 6.40______ m/z 41.05 7.91% 5000 59

15’ 31 101 TITT +44 +51+ I ■ ■ ■ ■ i ■ 1 1 ' i ''' 1 r i 1 1 ■ 1 r r 1 ■ i ' ■ ■ ■ i r 1 1 ' I 1 1 1 1 I 1 1 1 1 I 1 1 1 1 I 1 ' 83 , | —TTBR*0TwuTTT m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 5.80 6.00 6.20 6.40

10066.D SCAN020507.M Tue May 14 08:47:02 2002 Page 4

NYC-WTC_000044223

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NYC-WTC_000044223Source: NYC Law Department, mirrored locally

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