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GCMS analysis results, sample AE12532, June 2002

Machine-extracted title · confidence 75%

Gas chromatography-mass spectrometry analysis of sample AE12532 performed on 6/10/02, detecting 2,4-DDD surrogate at 77% recovery.

NYC-WTC_000014532–000014551

Folder label: “GCMS X 5/28/02 A 5/29/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052902\12532.D Vial: 23 Acq On : 30 May 2002 4:00 am Operator: McLean Sample : gc/ms scan 5/28 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 6 4H-1,2,4-Triazol-4-amine Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.

3.89 1.49 ug/L 978833 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qua! 1 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13-4 9 2 2-Amino-oxazole 84 C3H4N2O 1000144-64-0 7 3 Perdeuterobenzene 84 C6D6 001076-43-3 7 4 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13-4 7 Abundance Scan 138 (3.890 min): 12532.D (-137) (-) m/z 84.00 100.00% 84

5000 51 47 88 42 ' ‘ ' I ‘ ‘ ‘ I ‘ ‘ ‘ 1 ‘ ‘ ‘ I ‘ ‘ 36 3.60 3.80 4.00 4.20 Of - T" m/z 51.10 39.00% niz-> 5 10 15 20 25 3035404550556065 70 75 80859095 Abundance #107976:4H-1,2,4-Triazol-4-amine 28 84

5000 3.60 3.80 4.00 4.20 m/z 88.00 29.03% 18 42 _ 69 31 3639 145 53 57 | miz-> 01 5 .... I. ? p -Hr > 11111111111 ■ ■ TIpHr । il।11|.... 11 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 .

Abundance #33688:2-Amino-oxazole 84 * ■ * i * ■ * * i * * ■ i * * * * i * * * * 56 3.60 3.80 4.00 4.20 5000 m/z 47.00 27.64% 42 38 । 53 n/z-> 01 5 31 —pmmmpptm —HH+l *Ua 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 i ■" ■ i “

Abundance #33650: Perdeuterobenzene ■ ■ • i ■ ■ ' ■ i ■ ■ ■ ■ i • ■ ■ ■ i ■ ■ ■ ■ 84 3.60 3.80 4.00 4.20 m/z 42.00 16.76% 5000

42 52 56 W . .......................................... .. n/z-> 0 5 10 15 20 25 30 35 40 45 50556065 70 75 80859095 AU 62 6672 76 80 '“'I""!" 3.60 3.80 4.00 4.20

12532.D 052202.M Mon Jun 03 11:44:20 2002 Page 8

NYC-WTC_000014544

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NYC-WTC_000014544Source: NYC Law Department, mirrored locally

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