GCMS analysis results for sample AE11303, May 2002

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Laboratory report documenting GCMS analysis of sample AE11303 conducted on May 28, 2002, including surrogate recovery data.

NYC-WTC_000024585–000024595

Folder label: “GCMS X 5/13/02 A 5/16/02”

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NYC 9/11 Public Portal Document Llorary searcn compound Keporc

Data File : C:\MSDCHEM\l\DATA\020516\11303.D Vial: 14 Acq On : 16 May 2002 10:12 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 21.51 ug/1 1159830 1,4 -Dichlorob'enzene-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 56 3 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 36 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 25 Abundance Scan 523 (6.152 min): 11303. D (-510) (-) m/z 43.10 100.00% 4)3

5000 59

101 —1*)dn—nn—d—T

■n/z-> ....................... 38.1) . 48 53,, ■ ■ i ■ ■ ■ 1 i 11 1 1i 1 1 1 > I' 1u ■ i1' 1 10 20 30 40 50 . .. .. I,. f ■ ' ■ 1 i m 1 ' i 1 1 1 1 i 1 1 1 1 r'1 ■ 1 i 1 60 70 80 90 100 110 5.80 6.00 6.20 6.40 m/z 59.10 49.40% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ' r i ' ' ' ' I ' 1 ' ■ i ‘ ’’ i ■ • ■ ' i • 59 580 6.00 6.20 6.40 m/z 58.10 20.09% 15 31 101

m/z-> -261384 10 20 30 40 +53+ 50 60 83 , | I 1 ■ ■ ■ i ■ ■ ' 1 i ''' ' 1 i ■ ■ ■ 1 1 1 ■ 1 1 1 1 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5 80 6.00 6.20 6.40 5000 59 m/z 101.10 16.27%

92 — I01 Tl/Z-> ......... 10 20 29,31 30 .39,140 ITIrush 50 60 70 80 83 90 93 100 । 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- .................. ........... ........... 43 5.80 6.00 6.20 6.40 m/z 41.10 7.79% 5000

59 101 ' ' I 1 '27,32 ,' ,' I.' '.. 38,, ,Bri48 mm53,’) 1— mpmm 1T 1 T1 I'l'i'n-rt'i'l 67 72 77 83 91 96, | n/z-> 10 20 30 40 50 60 70 80 90 100 110 5.80 6,00 6.20 6.40

11303.D SCAN020507.M Fri May 17 13:09:44 2002 Page 4

NYC-WTC_000024592

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