GCMS analysis results for sample AE00169, Jan 2002

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Laboratory report for sample AE00169 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.

NYC-WTC_000050519–000050538

Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”

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NYC 9/11 Public Portal Document -* i

Data, File : C:\MSDCHEM\1\5973N\02JAN24\00169.D Vial: 2 • Acq On : 24 Jan 2002 3:48 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1... \ SCAN508.M (RTE Integrator) Title : 508 scan method Library- : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 4 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 7

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

4.85 0.17 ug/L 83992 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW Mol Form . CAS# Qual

1 2-Butenal, 3-methyl- $$ Crotonal. . . 84 C5H80 000107-86-8 72 2 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 72 3 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 64 4 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 64 Abundance Scan 129 (4.846 min): 00169. D (-) m/z 84.00 100.00% 55 84

41 5000 59

38 47 50 । 4.40 4.60 4.80 5.00 5.20

n/z-> 20 25 4 30 35 40 45 50 55 60 65 70 75 80 85 i ■ ■ ■ ■ i ■ ■ “ i ■ ■ " i " ' ■ i " — 90 95 m/z 55.10 83.68% Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55

5000 39 .0 1 i ■ ■

27 4.40 4.60 4.80 5.00 5.20 m/z 41.10 56.45% 44 51 69 ■ ■ i • ‘ ■ i ■ 11 •»• 11 • • • • 11 ■ -mmmmemmg] ! ‘ • i' • ■ ■ i

niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3221:2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 55 84 AAN , . 4.40 4.60 4.80 5.00 5.20 5000 39 m/z 39.10 49.92% 27 44 51 " i' ■' ■ i ■1 ■ ।1"111"1H1 1 —mmmmmmmmmmpu 69 |.■■■ l.. ■ ■ 1 niz—> 20 25 30 35 55 60 65 70 75 80 85 90 95 40 45 50 Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2.3-... 55 84 4.40 4.60 4.80 5.00 5.20 m/z 83.10 49.47%

5000 41

n/z—> • ■ i" ■' i ■ ‘ ‘ ■ i ■ “ ■ i ■ 20 25 30 35 —44 * I “ " i ■ ■ ■' I 40 45 50 55 60 65 70 75 80 85 90 95 । ■ ■ ■ • । ■ ■ ■ • । • ■' • । 4.40 4.60 4.80 5.00 ' । ■1 5.20

)0169.D SCAN508.M Fri Jan 25 10:25:58 2002 Page 6

NYC-WTC_000050528

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