GCMS analysis results for sample AE00247, Jan 2002

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Laboratory report for sample AE00247 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.

NYC-WTC_000050539–000050557

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

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NYC 9/11 Public Portal Document **.Z

Data File : C:\MSDCHEM\1\5973N\02JAN24\00247.D Vial: 3 • AcqOn : 24 Jan 2002 4:38 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 1 Butanoic acid, methyl ester... Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 3.60 0.13 ug/L 60811 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 78 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 4 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 72 Abundance Scan 20 (3.602 min): 00247.D (-) m/z 43.10 100.00% 43 74

5000 59 87 ...A — 11 11. । n i. i i H i i 14) 3.50 3.60 3.70 3.80 3.90 4.00

mz-> WPPI 10 20 30 40 50 60 70 11,4481,.... J. ■ i । ' i i I । । । ■ । । 1 ■ > i । ■ 80 90 100 110 m/z 74.00 94.41% Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 ■ ■111' ■ ■ i1 ■ ■ ■ i ■ ■" i ■' ■ ■ i ■ ■ ■ ■ i ■ ■' ■ I 3.50 3.60 3.70 3.80 3.90 4.00 59 87 m/z 71.10 69.51% 33 । 111 > J| । > 11 । + 102 PTImmTTm iz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9218: Butanoic acid, methyl ester 43 74 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/ z 41.10 33.42% 15 27 59 A 87

1f . i j . i 33 । . . : . ] J11111 > 1111 ’ i.»। + 102 • ’ i • • • * i ’ • • ‘ I 1 * * * i n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... A... ........... 3.50 3.60 3.70 3.80 3.90 4.00 A 43 74 m/z 59.10 28.27% 5000 59 87

n/z—> ‘ ■ I 10 ' 1 1 ■ i ■ ■ ■ ■ i ■ ■ ■ • i 1 20 30 40 + ■ ■ i ■ ■ • ■ i ■ 1 ■ ■ i 1 50 60 70 102 1111 80 90 100 110 ... ... u... 3.50 3.60 3.70 3.80 3.90 4.00

)0247.D SCAN508.M Fri Jan 25 10:26:04 2002 Page 3

NYC-WTC_000050545

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