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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NYC 9/11 Public Portal Document LLDLdLy DedrcI toupound KCpOLL

Data File : C: \MSDCHEM\1\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 4 4H-l,2,4-Triazol-4-amine Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.78 3.15 ug/L 1985280 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13-4 9 2 2-Amino-oxazole 84 C3H4N2O 1000144 -64-07 3 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13-4 5 4 3-Amino-s-triazole 84 C2H4N4 000061-82-5 4 Abundance Scan 120 (3.784 min): 12320.D (-118) (-) m/z 84,00 100.00% 84

49 5000 58 36 42 ■ i ■ ‘ ■ i ' ■ ■ ■ i ■ ■ 1 • i ■ ■ 3.40 3.60 3.80 4.00 4.20 n/z-> H Of ■ •i• • ■ ‘ i ■ ■ ■11■ ■ “ i1' ■' I'■ ■ ■ i ■ ■" I 11' 1 5 10 15 20 25 30 35 40 45 50 55 60 55 70 75 80 85 90 ■ i" ■ ■ i ■ ■ “ i ‘ ■ i" । •1 ■ ■ i' ■ m/ z 49.10 56.99% Abundance #107976:4H-1,2,4-Triazol-4-amine 28 84

5000 ■ । • ■ ■ ■ i ■ ■ ■ ‘ i ■ 1 ■ • i ■ ■ ‘ ■ i ■ 1 3.40 3.60 3.80 4.00 4.20 18 42 m/z 58.10 35.89% _ 69 31 3639 ,45 53 57 | iz-> 0- ......... I... ?5 - i m [t~ 11111111 ii । 111* tmpor 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Aburidance #33688: 2-Amino-oxazole 84 ■ i ■ ■ ‘ ■ i ■ ■ ■ ■. i ■ ■ ■ ■ i ■ • ■ ■ i ' 1 56 3.40 3.60 3.80 4.00 4.20 5000 m/ z 42.10 26.88% 42 31 Of TIITIDTTTLTTTTTTHTT 1 ■ ■ । • ■ ■ ■ । ■ • ■ ■ । ■ ■ ■ ■ । ■ ‘ ■ ■ । ■ •'

miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #33490:4H-1,2,4-Triazol-4-amine 28 84 3.40 3.60 3.80 4.00 4.20 m/z 36.10 21.37% 5000

13 18 32 4043 57 69 01 -pH+ill—mrey m/z—> 5 10 15 20 25 30 35 404550556065 70 75 808590 3.40 3.60 3.80 4.00 4.20

12320.D 052202.M Mon Jun 03 09:38:47 2002 Page 7

NYC-WTC_000014225

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