GCMS analysis results for sample AE03247, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03247 conducted on March 15, 2002.

NYC-WTC_000006126–000006145

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

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NYC 9/11 Public Portal Document uLaLy Ded.CIi topouru KeporL

Data File : C:\MSDCHEM\1\5973N\02MAR01\03247.D Vial: 2 * Acq On : 1 Mar 2002 4:50 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 2-Butenal, 3-methyl- (CAS) ... Concentration Rank 4

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

4.85 0.19 ug/L 84347 1,4-Dichlorobenzene-d4 9.71

Hit# Of 5 Tentative ID MW MolForm CAS# ----------------------- --- 1 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86/8 81 2 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 81 3 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 64 4 2H-Pyran, 3,4-dihydro- 84 C5H80 000110-892 59 Abundance Scan 131 (4.853 min): 03247.D (-) m/z 83.95 100.00% 84 55

5000 41 59

69 01 0 44 50 - ' 1 I ■ ' ' 1 I m/z 4.60 4.80 55.10 5.00 5.20 67.56% n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55

39 - 5000 27 4.60 4.80 5.00 5.20 m/z 59.00 45.98%

n/z-> 01 ■ ■ । 20 ■ i ■ 25 111'1111111 ‘ 111 < 111 44

30 35 40 45 50 55 60 65 70 75 80 85 --m 90 69 ■ i ■r ■ ■ i

Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55 —4 4.60 4.80 5.00 JU 5.20 39 m/ z 41.10 43.66% 5000 27

Of ■ ■ i1 ■'' ।' ■ ■ i ■ ■ ■ ■ i ■ I ■ 44 ' 111' 111 JI I 69 1 | 1T-'- > | ' 1 1 । | 1 ' ■ ‘ i1 1 ' ■ i ■ ■ - ■ i ■ ■ ■ ■ i n/z-> Abundance 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 #3224: 2-Butenal, 3-methyl- 84 1 .A4.60 ... M 4.80 5.00 5.20 TTI

m/z 83.10 42.58%

5000 55 41

/z-> 0 20 25 30 35 40 Th—m 5+ ,............ 66 69 ................. i ■ ■ । । ■ TTt । । । । । । i i । i । । । । 45 50 55 60 65 70 75 80 85 1 11 ' ■ ■ I 90 1 ■ i ■ ' ' ■ i 4.60 4.80 ■ ■ i 1 ' 1 ' i ■ ■ 5.00 5.20

)3247.D HP022102.M Mon Mar 04 12:33:21 2002 Page 7

NYC-WTC_000006136

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