GCMS analysis results for sample AE03075, March 5 2002

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Laboratory report documenting gas chromatography-mass spectrometry results for sample AE03075 including surrogate recovery.

NYC-WTC_000010887–000010906

Folder label: “GCMS X 2/5/02 A 2/28/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02FEB28\02714.D Vial: 4 Acq On : 28 Feb 2002 1:00 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 28, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ******************************************************************* * * Peak Number 10 2,5-DIMETHYLCYCLOHEXANE-1,4... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T.

16.55 0.04 ug/L 22352 Acenaphthene-dl0 18.34 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,5-DIMETHYLCYCLOHEXANE- 1,4-DION... 140 C8H12O2 000583-81-3 37 2 4,4,5,5-tetramethylcyclopentan-l... 140 C9H160 111689-30-6 9 3 2-Dimethylamino-4,5-dimethyl-oxa... 140 C7H12N20 000000-00-0 9 4 Pyrimidinetetramine- $$ Pyrimidi... 140 C4H8N6 001004-74-6 9 Abundance Scan 1167 (16.548 min): 02714.D (-) m/z 140.10 100.00% 140

5000 43 71 172 56 122 16.20 16.40 16.60 16.80 0- I • rT 1 1 ’ P 1 • I ■11 ■ i ■ ■1 ■ i •' ■ • i ■ ■ ‘ • i ■ ■' ‘ i • ■1' i ■ • ■ i ■' **I***’I’’’*I • ■ • i * m/z 138.10 27.03% m/z—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #35634:2,5-DIMETHYLCYCLOHEXANE-1,4-DlONE $$ 1,4-Cyclohexa... 42 140

55 70 125 5000 16.20 16.40 16.60 16.80 m/ z 70.90 25.98% 0 ।'11 'i I4441 ..... ’1* ’* ■ I1■■• i ■ ■ ■ ■ i ■ • H— ■n-n mfz—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #36234:4,4,5,5-tetramethylcyclopentan-1-one 140 70 83 16.20 16.40 16.60 16.80 5000 125 m/z 172.20 25.42% 55 97 107 0 i ■1 ■ ■ i ■ ■ ‘ ■ i ■ ■ ■ • i H ' ■ 1628 I I I I I I > I I I ( I I I « I I I I I 111 > । > t i i i । i < i k । i i i i । । i । i । i m/z—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #35431:2-Dimethylamino-4,5-dimethyl-oxazole 140 16.20 16.40 16.60 16.80 " ‘ m/z 43.10 24.93%

5000 44 56 111 72 125 97

0 i.... j nanjual.. •' i ■1 | ■ i ■ ■ ■' r1 ■TTTT mlz-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 i ■ i * * ■ ■ । ■ • ■ ‘ । • ■ ''' ■ I' ‘ ‘ ■ I' ‘' I ‘ ‘ ‘' I ‘ ■ ■ i ■ ' ****I**’*I4 16.20 16.40 16.60 16.80

02714.D HP022102.M Fri Mar 01 10:07:01 2002 Page 12

NYC-WTC_000010902

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GCMS analysis results, sample AE02719, March 2002 · Box DEP Box 14

NYC-WTC_000010987

Gas chromatography-mass spectrometry analysis of sample AE02719 performed March 5, 2002, reporting other unknown compounds and surrogate 2,4-DDD recovery data.

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