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\l\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 5 Furan, 2,3-dihydro-4-methyl... Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 4.89 0.08 ug/L 30894 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 64 2 Furan, 2,3-dihydro-4-methyl- 84 C5H80 034314-83-5 64 3 2-Butenal, 2-methyl-, (E)- (CAS)... 84 C5H80 000497-03-0 9 4 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 9 Abundance Scan 134 (4.886 min): 02714.D (-) m/z 84.00 100.00% 84 55

5000 41

49 *’’I**’44***I**I*** 4.60 4.80 5.00 5.20 ol ■ ■ i • • • ■ i • ■ ■11 ‘ • ■ ■ i ■ ■' ■ i “ ■ i ■ ■ i1' ■ ■ i ■ ■ ■ ■ i m/z 55.00 73.19% mz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2.3-... 55 84

- 5000 41 4.60 4.80 5.66 5.20 m/z 41.10 47.61% 69

m/z-> 01 i ■ ■ ■ ‘ i ■■■111 ■ ■•i• • 20 25 30 35 +4l 40 45 50 55 • ■i■■■■i■11•■•' i' ■ • ■ i •1

60 65 70 75 80 85 1144’41 90 Abundance #3350: Furan, 2,3-dihydro-4-methyl- 55 84 4.60 4.80 5.00 5.20 5000 41 m/z 83.10 46.06% 27 44 51 69 k ol “ i “ ■ ■ i • 37 ■ ■ i • ■ ■ ■ i ■11 '■I........ .. 1 ■ ■ i■1 ■■ i■ ■■'i■■■■ i• ■ ■ ■ i ■ ■ ‘ i ■ ■ ■ ■ । miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #3213:2-Butenal, 2-methyl-, (E)- (CAS) $$ Tiglaldehyde 84 4.60 4.80 5.00 5.20 m(z 49.00 16.59% 5000 39 VWWMr 50 66 ।11 0 0 ■) i' > 1। > 11 ■ +44 ■ ■ i ■ ■ ‘ ■ i1 ■ ■ ■ i • ■ ■11" ■ ‘ i “ 11*4141 ■ ' i ■ ■ ■ ■ i ■ • ‘ 1 i ■ ' ■ ■ i • ■ miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 4.60 4.80 5.00 5.20

32714.D HP022102.M Fri Mar 01 10:07:00 2002 Page 7

NYC-WTC_000010897

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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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