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GCMS analysis results, sample AE07519, April 2002

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Gas chromatography-mass spectrometry analysis of sample AE07519 performed on April 11, 2002, showing unknown compounds and 2,4-DDD surrogate at 98 ug with 5.0 ug MDL.

NYC-WTC_000047413–000047422

Folder label: “GCMS X 4/2/02 A 4/4/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C: \MSDCHEM\1\DATA\020404\07519.D Vial: 15 Acq On 4 Apr 2002 8:00 pm Operator: Nefliu Sample sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020403.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1

Peak Number 2 Acetamide, N-methyl- Concentration Rank 2

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

5.59 0.13 ug/1 93334 1,4-Dichlorobenzene-d4 10.66

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Acetamide, N-methyl- 73 C3H7NO 000079-16-3 2 2 Guanidine, methyl- 73 C2H7N3 000471-29-4 2 3 Guanidine, methyl- 73 C2H7N3 000471-29-4 2 4 N-Ethylformamide •73 C3H7NO 000627-45-2 2 Abundance Scan 427 (5.588 min): 07519.D (-422) (-) m/z 43.10 100.00% 43

5000 73 II.......................... 40 5.20 5.40 5.60 5.80 6.00 84 m/z 73.10 46.28% 0- ' ■ i " ■ ■ r 1'11'1'11'11' i ■ ■111111' I'' ‘ ■ i' " 11" 1 ■ i ■1'1111' ■ i' ■1 ■ r ' I I I I > I I I ■ I I I I ■ ■ I I I I

miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #109186: Acetamide, N-methyl- 30 43 73

5000 58 ■ ■ । > ■ ■ ■ । > ' ■ - । । । ■ r 5.20 5.40 5.60 5.80 6.00 m/ z 40.10 3.41% 27 3336 40 ,46 5154 64 01 t ■ ■ ,77 ■ ■ 111 ■ 11 > > ।' t • ■ > ■ i ■ ■ ■ ■ । ■ 1111 'I".................. 11— n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #108192: Guanidine, methyl- 30 43 73 5.20 5.40 5.60 5.80 6.00 5000 18 m/z 84.00 0.81%

0- 15 + 27 36 40 1" i " " i" 48 53 | 57

60 64 69 MMouplwyphoni ■ ■ i ■ ■ 1.......... 1 111r ■ ■1 r 11111 11 ■ ■ ■ > । ■ ■■■11 ■ ■ ■ ।

m/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #759: Guanidine, methyl- 33 5.20 5.40 5.60 5.80 6.00 43 73

5000 18

57 15 27

m/z-> 0- 5 .... |I...... III IT 1' 1111' 11 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 11 " 1' r " 111" 1 r '

NYC-WTC_000047420

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NYC-WTC_000047420Source: NYC Law Department, mirrored locally

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