GCMS analysis results for sample AE00105, Feb 2002

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Laboratory report listing unknown compounds and surrogate recovery for sample AE00105 analyzed on February 7, 2002.

NYC-WTC_000050793–000050812

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

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NYC 9/11 Public Portal Document Library search compound Report Data File : C:\MSDCHEM\1\5973N\02JAN25\00105.D Vial: 3 • Acq On : 25 Jan 2002 11:49 am Operator: Sample : 508 scan Inst : Instrumen Mise : January 25, 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 9 R.T. EstConc Area Relative to ISTD R.T. 4.85 0.13 ug/L 55347 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 52 2 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 52 3 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 52 4 Furan, 2,3-dihydro-4-methyl -_________ 84 C5H80 034314-83-5 47 Abundance Scan 129 (4.847 min): 00105.D (-) m/z 84.00 100.00%

W 84 55 59 41

5000 WV

14 69 440 4.60 4.80 500 5.20

n/z-> 20 25 | 49 ' i • ■'11' 30 35 40 45 50 55 60 65 70 75 80 85 L TIE i • ■ ■ ■ । ■ ■' ■ । 90 95 m/z 59.10 76.72%

Abundance #3222:2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55

5000 39 -A TL 1 A TT 27 4.40 4.60 4.80 5.00 5.20 m/z 55.10 75.62%

■•।•••>। 44511 I l ■ > ■11 ■ ■ ■ ■ 11 ■ I ■ 11 • ■ • ■ । 69 • 11 ■ ■ • ■ । ■ • ■ ■ । ■ - |.... ।..,. । n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3376: 3,4-Dihydropyran $$ 2H-Pyran, 3,4-dihydro- (CAS) $$... 84 55

4 40 A 4.60 4.80 WU. 500 5.20 5000 m/z 41.10 70.26% 69 51 - 66 4 81 TTHT i ■ ■ ■11 ■ ■ ■ ■ i1 ■ m/z-> Abundance 20 25 30 35 40 45 50 55 60 65 70 75 80 85 #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal 90 95 1 .4 A , o he, 0, , 84 4.40 4.60 4.80 5.00 5.20 55 m/z 83.10 56.50% 5000 39 27

44 51 | 69 ■' i ■ ■ ■ ■ i ■ ■ ■ i ■ ■ ■ ■ i ...... I ’1'111111 I • i ■ < ■ ■ । •1 ■ 111 ■ > 11 ■ • • ■ i • • 111" I " 111 m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.40 4 60 4.80 5.00 5.20

00105.D SCAN508.M Mon Jan 28 09:49:47 2002 Page 6

NYC-WTC_000050802

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NYC-WTC_000050802Source: NYC Law Department, mirrored locally

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