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GCMS analysis results for sample AE10812, May 2002

Machine-extracted title · confidence 100%

Laboratory report of GCMS analysis for sample AE10812 conducted on May 29, 2002, showing surrogate recovery data.

NYC-WTC_000025520–000025532

Folder label: “GCMS X 5/17/02 A 5/16/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020521\10812.D Vial: 18 Acq On : 22 May 2002 1:09 am Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020521.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 14.84 ug/1 1107040 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- entanone. 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 42 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 36 Abundance Scan 523 (6.152 min): 10812.D (-520) (-) m/ z 43.10 100.00% 43

59 5000

101 580 6.00 6.20 6.40 nz-> 0 1'' r — —.83.4120.149, 221237 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 334 m/z 59.10 50.81% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ■ ■ । ■ 1 1 i 111 1 i1 1 '~'T 1 1 1 i1 59 580 6.00 6.20 6.40 m/z 58.05 19.81% 15 101 0- ,, r Al 4 ,, + ,, 83 J ' i' 1 1111 > । > < 11 * 111 > 11111 >111 > । > > 11 > ।' ।' < > ■ । > > > < 111' TT 111111111

rn/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43

580 6.00 6.20 6.40 5000 59 m/z 101.10 15.72%

0- 27 ---4 83 101 —tTOOmOOm TIB9m Tl/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ■ ■ i ■ 1 1 1 I ' 1 ri7 1 ' 1 ' 1 1 43 5.80 6.00 6.20 6.40 m/ z 41.15 7.42% 5000 59 27 101 0 --443 1211’1117-111110111’010010111*1100001101100——I0’17- 111 cri , ! 1 "Ti । tfrrrTut /z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 5.80 6.00 6.20 6.40

10812.D SCAN020521.M Fri May 24 09:21:54 2002 Page 5

NYC-WTC_000025528

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NYC-WTC_000025528Source: NYC Law Department, mirrored locally

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