GCMS analysis results, sample AE02718, March 2002

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Gas chromatography-mass spectrometry analysis of sample AE02718 performed March 5, 2002, documenting other unknown compounds and surrogate 2,4-DDD recovery at 97 percent.

NYC-WTC_000010967–000010986

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\02718.D Vial: 3 Acq On : 28 Feb 2002 4:20 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 5 Butanoic acid, 2-methyl-, m.. Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 4.64 0.06 ug/L 22267 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 40 2 Nonanoic acid, ethyl ester (CAS)... 186 C11H2202 000123-29-5 9 3 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 9 4 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 9 Abundance Scan 112 (4.638 min): 02718.0 (-) m/z 57.10 100.00% 57 88 41 5000

101 i • ' ■ • i ■ • ' ■ i • ■ ■ ■ i 1 ' 49 4.20 4.40 4.60 4.80 5.00 0-TTT Ii > i » • . • , • • • • , • ■ ■ • j • » * • । ■ m/ z 88.00 67.82% nlz-> 20 30 40 50 60 90 70 100 80 110 120 Abundance #16436: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88

5000' 4.20 4.40 4.60 4.80 5.00 27 101 m/z 41.10 51.33% 33 69 0— ■ • i • ‘ • i • > • • i * • • i . ■ • • ■ i i ■ 1 1 ' i 1 1, i ' • ‘ ■ i 1 • ■ • i • ' 1 ■ i ■ 1 116 miz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #95568: Nonanoic acid, ethyl ester (CAS) $$ Ethyl nonancat... 88 4.20 4.40 4.60 4.80 5.00 _MAA 5000 29 m/z 85.00 31.75% 43 55 60 70 101

0- ■ i • ■ ■ ■ i ■ 1 • 1 i ' ■ ’ * 1* * ’*’’* -r-r-j-n- i ■ 1 ■ ■ । ■ ■ ■ ■ i ■ • * ■ i ■ ■ m/z—> 20 30 40 50 60 70 80 90 100 110 120 Abundance #16439: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 83 4.20 4.40 4.60 4.80 5.00 ' m/z 43.00 27.00% 41 5000 101 69 miz—> 0 > [ < > > • । 20 30 i . । 1 1 । i । i i 40 50 ILL 60 70 80 90 i ■ ■ ■ ■ i ' ■ ‘ ■ i ■ ■ ■ ■ i ' ■ 100 110 120 1 A M..... 4.20 4.40 4.60 4.80 5.00

02718.D HP022102.M Fri Mar 01 10:07:28 2002 Page 7

NYC-WTC_000010977

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