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 : Ins t rumen 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 6 2-Butenal, 3-methyl- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T.

4.85 0.26 ug/L 127032 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 76 2 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H8O 000107-86-8 76 3 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 76 4 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 64 Abundance Scan 131 (4.853 min): 03250.D (-) m/z 83.95 100.00% 84 55

41 5000

1 1 ' ■ i ' ■ ■ 1 i 1 1 1 1 i ■ ■ ' ■ i 1 ■ ■

50 69 103 4.60 4.80 5.00 5.20 m/z-> 0 “ i1 ■11 r "11 •111 r ' ■41 l h.. P.'lil' "P...... -mm— 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 m/z 55.00 75.38% Abundance #3224:2-Butenal, 3-methyl- 84

5000 55 At ... /.... A 1 1 1 1 I ' 4 4 1 1 1 1 1 ' I ' ' 1 ' I ' 1 ' 41 4.60 4.80 5.00 5.20 m/z 59.10 54.70% 69 Of " i " " i" " I " " i" " I + 50 . 11" i"1N11" i"111" —mmmmmmp n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal 84 55 ...... A 1 ' 1 ■ i 1 1 ' ■ r■ ■ .0 4.60 4.80 5.00 5.20 5000 39 m/z 41.10 51.32% 27

44 50 । 69 0 —ptr i •1 • 11 > — -mm m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... A A1 1A,1 ’NI A,AAA 84 4.60 4.80 5.00 5.20 55 m/z 83.0.0 50.56% 39 5000 27

44 50 । 69 0 i" ■ ■ i TTH llo 44 —mmmmmmmmm ' r " ' i " " i " '' r " ' r1 ............ ..................... n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 4.60 4.80 5.00 5.20

33250.D HP022102.M Mon Mar 04 12:33:41 2002 Page 8

NYC-WTC_000006197

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