GCMS analysis results, sample AE12320, June 2002

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Gas chromatography mass spectrometry results for sample AE12320 including surrogate recovery data analyzed on June 7, 2002.

NYC-WTC_000014214–000014236

Folder label: “GCMS X 5/24/02 A 5/29/02”

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Data File : C:\MSDCHEM\l\DATA\052902\12320.D Vial: 8 Acq On : 29 May 2002 3:47 pm Operator: McLean Sample : gc/ms scan 5/24 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L **************** * * *************************************************** Peak Number 5 2-Butenal, 3-methyl- Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T. 3.85 2.85 ug/L 1792120 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 9 2 2-Butenal, 2-methyl- 84 C5H8O 001115-11-3 9 3 Pyridine-d5- 84 C5D5N 007291-22-7 7 4 2-Amino-oxazole 84 C3H4N2O 1000144-64-0 7 Abundance Scan 132 (3.855 min): 12320.D (-130) (-) m/z 84... 00 100.00% 84

5000 49 41

7 ■ ■ ‘ ■ i ■ 1 ■ ■ i ■ 1 ■ ■ i • ■ ■ ■ i ■ ■ ■ 3538; 44

niz-> 5 Of m 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 m/z 3.60 3.80 49.10 4.00 4.20 27.89% Abundance #33657:2-Butenal, 3-methyl- 84 55 41 5000 29 3.60 3.80 4.00 4.20 m/z 41.05 20.66% 26 3 44 5159 65 69 niz-> Abundance 5 0!TTTTTTTTTTTTT ’ TTT 1 . | ■ 1 I | I I I [ I I I I | I I I I I I ! I | ! , ! I | I I I I | .TI I-]I ! ! 1 | 1 I 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 #116563:2-Butenal, 2-methyl- 55 84 ■11' i" “

AAaalWM—h/pw* a 3.60 3.80 4.00 4.20 5000 29 m/z 51.10 14.47% 41 26 34 44 v 51 ,i 1 1 69 I Vww Ot TImTTTTTTT I’ I > | Illi [ I Hri I , ! | I I I I -aTT •i* * miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #33686: Pyridine-d5- 1 ■ ■ ‘ i ■ ■ ' ■ i ■ ■ ' ■ i ■ ■ ■ ■ i ■ ■ ■ 55 84 3.60 3.80 4.00 4.20 m/z 82.90 12.96% 5000 52 28 38 42

miz-> 14 32.44++ 241 0 "I ■1" I ■'111 ■ ■ ■ ■ i1" 'i1 ■ 1 , 62 66 76 | IaIauuttuasponotstupufa T 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 3.60 3.80 4.00 4.20

12320.D 052202.M Mon Jun 03 09:38:50 2002 Page 8

NYC-WTC_000014226

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