GCMS analysis results for sample AE03250, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03250 conducted on March 15, 2002.

NYC-WTC_000006186–000006205

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\03250.D Vial: 5 Acq On : 1 Mar 2002 7:18 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 5 Butanoic acid, 2-methyl-, m.. Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T. 4.64 0.15 ug/L 75453 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 43 2 Butanoic acid, 2-methyl-; methyl... 116 C6H12O2 000868-57-5 43 3 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 43 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 38 Abundance Scan 112 (4.638 min): 03250.D (-) m/z 41.10 100.00% 41 71 57 88

5000

101 /W II 49 4.20 4.40 4.60 4.80 5.00 0 । , ■ i 1 ‘ 1 1 i‘ ' ‘i1 । 1 ' ■ 1 । 1 1 1 i ■ 4 ■ ■ i ■ ■ ■ 1 i ■ ■ • ■ i 1 ' m/z 71.00 93.75% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16438: Butanoic acid, 2-methyl-, methyl ester 57 88

5000- 41 .... A. M 4.20 4.40 4.60 4.80 5.00

74 101 m/z 88.00 81.60%

0- . । 'I . + i‘l ' ' । । । 1 ' 1 1 I 1 1 1 1 I 1 ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16440: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88 i i ■ ■ ' ‘ i ■ ' 4.20 4.40 4.60 4.80 5.00 5000 m/ z 57.00 79.99% 101 74 15 27 | I....... I , I 116 0- ' 1 i ' 1 ' ' I 1 1 1 1 I ' 1 ' 1 I ' 1 ' 1 1 ' 1 ■ i 1 ' ■ 'I 1 ' 1 l ' ' i ■ ' ' ' I +-r IUi Pi m/z-> Abundance 10 20 30 40 50 60 80 70 90 100 110 #16441: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 88 120 0.... N, 4.20 4.40 4.60 4.80 5.00 57 55.73% m/z 43.10

5000 41 29 101

m/z-> 0 11411 1 1+711 111111111’114 10 20 30 40 50 69 ■ । • ■ ■ • । - ■ > > । 60 70 80 ■ 90 i 1 1 ' ■ r1 ' 1 ' 1 1 1 ' 1 11 ' 100 110 120 _MAAAA 4.20 4.40 4.60 4.80 5.00

)3250 .D HP022102.M Mon Mar 04 12:33:41 2002 Page 7

NYC-WTC_000006196

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