GCMS analysis results for sample AE10023, May 2002

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Laboratory report documenting GCMS analysis of sample AE10023 conducted on May 14, 2002, identifying unknown compounds.

NYC-WTC_000044166–000044178

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\1\DATA\020507\10023.D Vial: 22 Acq On 8 May 2002 8:49 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 14.35 ug/1 1201870 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 56 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 42 3 2-Propanol, 2-methyl- 74 C4H10O 000075-65-0 23 4 Butyl aldoxime, 3-methyl-, syn- 101 C5H11NO 005780-40-5 17 Abundance Scan 523 (6.152 min): 10023.D (-513) (-) m/z 43.10 100.00% 43

59 5000

101 1 1111*1’*’’I ’ ’ 1 ' T1 1 1 1 1 1 5.80 6.00 6.20 6.40 69 83 123 193 " i1' " i " " i ■11 ’|Ir ’11 n |1 11111•1['i111111111, ।, । < rp-m I I < I I I I I I I I I I I I I I I I I I > I I I I I I I I I I I I > I I m/z 59.10 50.21% m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 ■ 1 | 1 > ■ 1 1 1 ■ 1 > | > 1 । T-yf । i i । । 580 6.00 6.20 6.40 m/z 58.05 20.03% 31 --TTT TTT————S3 —m—“n101m)*umOTT i" 11111H i" " r H • i1 H ■ i1 m/z-> 10 20 30,40 50 60 70 80 90 100110120130140 150160170180190 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43 • । | 1 1 1 T ”i * । t i [ i I । । 'i r i TT" i 580 6.00 6.20 6.40 5000 rn/z 101.10 18.05% 59

101 1 15 31 I I > | ! I I I | I I 111 I I ’ I I I | I'l'l' 83 .1 TTTTTTTTTLTTTTTTTTTTTTTTTTTTTTTTTTTTTPTTTTTTTTTTTTTWWTTTTTTTT m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 Abundance #113151: 2-Propanol, 2-methyl- 1III’1III ITTTT -i । । । । 59 5.80 6.00 6.20 6.40 m/z 41.10 7.75% 5000 31 41 ■ -

m/z-> m,504 TTutn—mn0*010001*9W09001030“mu 10 20 30 40 50 60 70 80 90 100110120130140150160 170180 190 r । । i 1 ' TTT1 i । i UIHTTETT i 5.80 6.00 6.20 6.40

10023.D SCAN020507.M Tue May 14 08:45:38 2002 Page 5

NYC-WTC_000044175

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NYC-WTC_000044156

Laboratory report documenting GCMS analysis of sample AE10022 conducted on May 14, 2002, identifying unknown compounds.

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