GCMS analysis results for sample AE03246, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03246 conducted on March 15, 2002.

NYC-WTC_000006105–000006125

Folder label: “GCMS X 2/12/02 A 3/01/02”

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NYC 9/11 Public Portal Document

Data File : C : \MSDCHEM\1\5973N\02MAR01\03246 . D Vial: 1 - Acq On : 1 Mar 2002 4:00 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 1, 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 1 Butanoic acid, methyl ester... Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 3.62 0.16 ug/L 76909 1,4-Dichlorobenzene-d4 9.71 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 83 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 Abundance Scan 22 (3.622 min): 03246.D (-) m/z 74.00 100.00% 43 74

5000 111 ■111 . 59 87 3.50 3.60 3.70 3.80 3.90 4.00 0- 1151 | 1 1 ' i ■ 1 ■ ■ i 1 1 1 ■ i ■ ■ ■ i 1 1 1 ' i ■ ■ ■ ■ i 1 ■ ■ ■ i m/ Z 43.10 99.65% Tl/Z-> 10 20 30 40 50 60 70 80 90 100 110 A Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 59 87 —A X 3,50 3.60 3.70 3.80 3.90 4.00 m/ Z 71.00 69.91% 33 102 A 0- 1 1 i ■ 1 1 ' i 1 ■ ■ 1 i ■' ■ 1 1 i I'.......... h " TI 1 । I 1 । 1 । । ! ! । । । ■! । ' । । n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9219: Butanoic acid, methyl ester

5000 27 43 74 ••। ■ L.. . 3.50 3.60 3.70 3.80 3.90 4.00 m/ Z 41.10 35.10% 15 59 87 33 38 | I 102 0- 111*11101’1/1" 1 1 ' i ‘ ■ i ' ' ' ■ i ' ' i r 1 ' ■ i ' ' ' ' i 1 ' ■ 1 i m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... AA ■1 ■ i11 IT 43 74 3.50 3.60 3.70 3.80 3.90 4.00 m/ z 87.00 26.65%

5000 59 87

। ■ I ■ J- r 111 102 0-PP ' 1 i ■ ■ 1 1 i 1 ' ■ ■ 1 1 ' 1 1 I I'1 " i' " ' i''1111 " ' i n/z—> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

)3246.D HP022102.M Mon Mar 04 12:33:13 2002 Page 3

NYC-WTC_000006111

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