GCMS analysis results for sample AE02720, March 5 2002

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Laboratory report documenting gas chromatography-mass spectrometry results for sample AE02720 including surrogate recovery.

NYC-WTC_000011027–000011045

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\l\5973N\02FEB28\02720 .D Vial: 5 Acq On : 28 Feb 2002 6:00 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 6 Octane, 4-methyl- (CAS) $$ ... Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 18.43 0.10 ug/L 66680 Acenaphthene-dl0 18.34 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Octane, 4-methyl- (CAS) $$ 4-Met... 128 C9H20 002216-34-4 53 2 Hexadecane, 2-methyl- (CAS) $$ 2... 240 C17H36 001560-92-5 50 3 Octadecane, 2-methyl- (CAS) $$ 2... 268 C19H40 001560-88-9 50 4 Pentadecane, 2-methyl- (CAS) $$ ... 226 C16H34 001560-93-6 50 Abundance Scan 1334 (18.433 min): 02720. D (-) m/z 57.10 100.00% 57 43 71 5000 85

.... A/.......... 16.20 18.40 18.60 18.80

miz-> 0- '' i •11 ■ I ■ ■ ■ ■ i ■ ■ ■ • i ■' ■' i1 0 10 20 30 50 40 ... 1 —1 60 70 80 90 100 110 120 130 m/z 43.10 68.75% Abundance #25170: Octane, 4-methyl- (CAS) $$ 4-Methyloctane $$ Isononan 48

5000 i ' ■ 1 ■ i ‘ ‘ 18.20 18.40 18.60 18.80 71 85 57 m/z 71.10 63.97%

m/z-> 0- . 111 0 pi... 1 128 TIu ' i ■ ■' ■ I ■ ■ ■ ■ i ■ ■ ■11 ■ ■ ■11 ■ 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #174541: Hexadecane, 2-methyl- (CAS) $$ 2-Methylhexadecane... 43 57 I l i 71 18.20 18.40 18.60 18.80 5000 m/z 85.00 4 6.43%

/z-> 0- —........ 77....1 PTp 0 10 20 30 40 50 60 70 80 90 100 110 120 130 82 ' I 1 ' ‘ ‘ I ''' ' I ' ' ' ■ I' ‘ ‘ ‘ I ' ' ' ' I ‘ '

Abundance #211469: Octadecane, 2-methyl- (CAS) $$ 2-Methyloctadecane. 43 57 ' ' 18.20 18.40 18.60 18.80 ' m/z 41.10 43.74% 71 5000

n/z-> 2 27 — 0- 1 ■ ■ i1 ■ ■ ■ i • ■ ■ ■ i - 0 10 20 30 40 50 60 Ppmt +*70—82 ■ i " • ■ i ■ • ■ ■ i • ■' ■ i ■' ■ ■ i ■ • 80 90 100 110 120 130 18.20 18.40 18.60 18.80

02720.D HP022102.M Fri Mar 01 10:07:42 2002 Page 8

NYC-WTC_000011038

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NYC-WTC_000011038Source: NYC Law Department, mirrored locally

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