GCMS analysis results for sample AE00167, Jan 2002

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Laboratory report for sample AE00167 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.

NYC-WTC_000050481–000050499

Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”

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NYC 9/11 Public Portal Document *— 2 &&p” • -*t

Data File : C:\MSDCHEM\1\5973N\02JAN24\00167.D Vial: 4 . Acq On : 24 Jan 2002 2:09 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1... \SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Butanoic acid, methyl ester... Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 3.61 0.12 ug/L 59517 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

l Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 83 4 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 78 Abundance Scan 21 (3,613 min): 00167.D (-) m/z 74.10 100.00% 43 74

5000 59 87 /.A... 3.50 3.60 3.70 3.80 3.90 4.00

nz-> ‘ • i ■ ■ 1 ■ i ■ ■ ■ ■ i ■ ■ • ■ I 1 10 20 30 40 50 491 60 70 80 • * i‘ 90 ■ ■ i • • ■ • i • ■ • 1 i ' ■ ■ ■ i 100 110 m/z 97.76% Abundance #9220: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 5000 15 27 —4 AA 3.50 3.60 3.70 3.80 3.90 4.00 59 m/z 71.10 66.16% 87 33 [ 102 ■ •i■ ■' ■i■1 ‘ ■ i ■ i 1 I 1 11 1 I Ii r 1 ■ i ■ ■ ■ ■ i ■ ■ ' 1 I ' ■ ‘ ■ i n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 59.10 33.59% 59 87

33 102 ■ ‘ i ■ ■ ■ 1 I 1 ' ■ ■ i • ■ ■ ■ i 41--I---9PPPT + | । i ■ I | ■ i ■ 1 i 1 ■ 1 ■ । miz-> 10 2030405060 70 8090 100 110 Abundance #9218: Butanoic acid, methyl ester 43 ..........M...... 3.50 3.60 3.70 3.80 3.90 4.00 74 m/z 41.10 29.78% 5000 27 59 15 87

■ i ■ ■ ■ ■ i 1 33 ■ i ■ ■ 1 ■ i । ■ 1 i 1 ' 1 1 i 102 ■ ■ i ■ ■ ' ■ i • • ■ ■ i ‘ ‘ ' i Apmptopmmn . m/z—> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

)0167.D SCAN508.M Fri Jan 25 10:25:46 2002 Page 4

NYC-WTC_000050488

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