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GCMS analysis results for sample AE08323, May 2002

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AE08323 conducted on May 6, 2002, including surrogate recovery data.

NYC-WTC_000048106–000048120

Folder label: “GCMS X 4/9/02 A 4/19/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\020419\08323.D Vial: 10 Acq On : 19 Apr 2002 4:59 pm Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020418.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 4 2-Ethyl-3-ketovalerate, bis... Concentration Rank 1

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

6.11 0.54 ug/1 720921 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Ethyl-3-ketovalerate, bis(trim... 288 C13H28O3Si2 1000079-66-1 32 2 2-Propanone, 1,1,1-trichloro- 160 C3H3C130 000918-00-3 25 3 Methane, isothiocyanato- 73 C2H3NS 000556-61-6 17 4 Butane, 2,3-dimethoxy-2-methyl-_____ 132 C7H1602 074421-00-4 17 Abundance Scan 517 (6.117 min): 08323.D (-511) (-) m/z 43.10 100.00% 43 73

5000

49 55 63 83 97I.__________ 119125 5.80 6.00 6.20 6.40

m/z-> ..... 10 ..... 20 30 35, 40 50 60 70 । 80 ii । . < 1 1 | > 1 > > | 1 • ■ ' | । । ।

90 100 19 h > | ।

110 ■ I । | ! ।

120 > ■ | > I

130 m/z 73.10 75.66% Abundance #25558: 2-Ethyl-3-ketovalerate, bis(trimethylsilyl) 73

5000 5.80 6.00 6.20 6.40 45 m/z 45.10 9.67% 97

m/z-> ■ ■ । 10 15 29 39 ■ i ■ ■ ' < । ■ । ■ . । । ■ 20 30 40 1,5157,..67,, 1.81,871................. 50 60 70 80 90 100 110 120 130 Abundance #3877: 2-Propanone, 1,1,1-trichloro- 43 MM —5.80 Mm — ' 1 i 1 ' ■ ' I ' 6.00 6.20 6.40 5000 m/ Z 41.10 9.31%

15 — I 27 36 ,49 55 63 76 83 91 97 110 117 125 rnfz-> Abundance TIPmm 10 20 30 40 ’ 1′1 ■ ' ' ' l'1 ' ' ‘I 1 1 1 ' I 1 1 ri I1 ' '''“P ' 1 ' | 1 ' i''‘| 1 1 ''' | । । 50 60 70

73 80 #114921: Methane, isothiocyanato- 90 100 110 120 130 tbobta"MMhnktn 5.80 6.00 6.20 6.40 m/z 124.90 8.14% 5000 45 28 35 11I'111 1'1 . I।1 +--+PP I 58 . i'l > i ■ ■ ■ ■ i ■ ■ ■ ■ । ‘ > l > ■ ■ 1 1 ■ ■ I । । ■ ■ । 1 ■ ' ■ । ■ 1 ■ ■ । ■ ■ ■ ' । ■ ■ ■ ■ । m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.80 6.00 6.20 6.40

08323.D SCAN020418.M Thu May 02 15:23:54 2002 Page 6

NYC-WTC_000048115

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NYC-WTC_000048115Source: NYC Law Department, mirrored locally

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