GCMS analysis results for sample AE03251, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03251 conducted on March 15, 2002.

NYC-WTC_000006206–000006225

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

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NYC 9/11 Public Portal Document OCaLtii wOIpOUII RCDOL L

Data File : C:\MSDCHEM\1\5973N\02MAR01\03251.D Vial: 6 • Acq On : 1 Mar 2002 8:07 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 6 R.T. EstConc Area Relative to ISTD R.T. 3.61 0.11 ug/L 47284 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester 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 102 C5H10O2 000623-42-7 83 Abundance Scan 21 (3.611 min): 03251 .D (-) m/z 43.10 100.00% 43 74

5000 59 AA / 87 i ■ ‘111 TTTTTAAP 3.50 3.60 3.70 3.80 3.90 4.00 i 51 | 0- ■ ‘ I 1 ' 1 1 1 1 1 1 ' 1 1 1 1 1 r 1 1 I’T"’’ 'I 1 1 1 ' 1 1 I ■ 1 1 1 i ' 1 ■ 1 I 1 ' 1 1 I m/z 74.00 85.98% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9218: Butanoic acid, methyl ester 43 74

5000 ■ ■ i ■ ■ i' ’' ■ i " " 111111′711 11 27 3.50 3.60 3.70 3.80 3.90 4.00 15 59 m/ z 71.00 65.23% 87 33 102 0- 1 ■ i 1 ' 1 1 i ' 1 ' 1 i 1'' 1 1 i — TT 1 ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ’1 • ■ ■ । m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9219: Butanoic acid, methyl ester 43 " i" " r " ■ r 1111'111 T11 " I 74 3.50 3.60 3.70 3.80 3.90 4.00 5000 27 m/z 41.10 30.44% 15 59 87 33 38 1 102 0 ■' i '' 1 1 I 1 1 11 I 1,11,1 I 1....................... .. I ' 1 ' 1 1 1 1 1 1 1 1 1 ' 1 I m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9224: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 ‘ 114 14I 3.50 3.60 3.70 3.80 3.90 4.00 74 m/ Z 59.00 28.69%

5000 27 59 87 I3.3 69 | 102 0 ■ ■ i 1 ‘ 1 ' 1 1 ' 1 1 I ''' 1 ' I TIPT—BB ' ■ i ' ' ■ 1 i ■ ' 1 ■ i 1 ■ ■ ■ i ■ ■ i ■ ■ । ।' i ■ ■1 ■ i ■"11 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

)3251.D HP022102.M Mon Mar 04 12:33:47 2002 Page 3

NYC-WTC_000006212

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