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\l..-\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 3 2-Butenal, 2-methyl- Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 4.01 0.07 ug/L 33397 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 2-methyl- 84 C5H80 001115-11-3 90 2 2-Butenal, 2-methyl-, (E)- 84 C5H80 000497-03-0 90 3 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 64 4 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 64 Abundance Scan 56 (4.006 min): 03250.D (-) m/z 83.95 100.00%

L. 84 55

5000

41 3.60 3.80 4.00 4.20 4.40 Of 51 - m/z 55.1.0 74.84% 11 ■ ■1 ■ i'11111 1"I ’ ’’I* ■ ■ । । > i • ■ i11'' i ■1' ■ i m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #3219: 2-Butenal, 2-methyl- 55 84

5000 29 ........... mHPPrA ,4,.. 3.60 3.80 4.00 4.20 4.40 m/z 41.10 23.77%

m/z-> 26 37 44 51 O+ 111111111'1 I 11 TT 111 111 - I n - — । | , । I I | I I i i | I I 20 25 30 35 401 45 50 55 60 65 70 75 ml 80 ' 111'1111111 85 90 Abundance #3211: 2-Butenal, 2-methyl-, (E)- 55 84 A A N / J AA A 3.60 3.80 4.00 4.20 4.40 5000 27 m/ z 53.00 16.48%

38 44 51 01 111r 11 ■ । ■ -r-rp- । ’-' | । । । . | I > 1 +1 I I |1 ■ ■ ■ i'''' 66 i1' ■11''1 ■ i' - TT 20 25 30 35 40 45 50 55 60 65 70 75 85 90 ................................ ............... Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 3.60 3.80 4.00 4.20 4.40 55 m/z 83.00 14.14%

5000 39 27

/z—> 0 ■ ■ 11 ■ ■ ■ i ■

20 25 TPPTT- 30 35 40 45 44 50 l 69 — PP I ■' 1 1 i' 1' ■ i 55 60 65 70 75 80 85 90 3.60 3.80 4.00 4.20 4.40

)3250 .D HP022102.M Mon Mar 04 12:33:41 2002 Page 5

NYC-WTC_000006194

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