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GCMS analysis results for sample AE07768, April 18, 2002

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Laboratory report detailing GCMS analysis of sample AE07768 conducted on April 18, 2002.

NYC-WTC_000047463–000047474

Folder label: “GCMS X 4/3/02 A 4/5/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\020404\07768.D Vial: 22 Acq On 5 Apr 2002 2:30 am 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 1 2-Butyne-l,4-diol Concentration Rank 4

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

3.28 0.21 ug/1 127465 1,4-Dichlorobenzene-d4 10.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butyne-1,4-diol 86 C4H602 000110-65-6 3 2 Krypton 84 Kr 007439-90-9 2 3 Ethyl Chloride 64 C2H5C1 000075-00-3 1 4 2-Methyl-3-vinyl-oxirane 84 C5H80 006790-37-0 1 Abundance Scan 35 (3.285 min): 07768.D (-19) (-) m/z 49.10 100.00% 49 84

40 5000

3.20 3.30 3.40 3.50 3.60 3.70 Of ।।"1' ।।■11" " ।'11 V " I" " I " " I " " I " " I " " I" r ‘ ‘I " " 11 m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #108388: 2-Butyne-1,4-diol 29 39 57

5000 68 3.20 3.30 3.40 3.50 3.60 3.70 26 43 51 m/ z 47.00 50.21%

— 0 11111" ।'1 ■11"13334 JU/ LF. 469.1674 717477 81 85 I | I i I t'| । I i I | I I IT | I I । । | I I I I | I WW4 m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 N Abundance #33829: Krypton 84 11i1 ■1111 ■ ■ ■ i'1 L i1 ’' ■ i ■ ■ 3.20 3.30 3.40 3.50 3.60 3.70 5000 m/z 86.00 49.96%

42 80 O+ " i" " i " " i "1 ■ i ■ ‘“" i '' " ।' q ■ " ■ J । ■ । ‘ " ।"111" " i1"11"" i1111111" 11 1111"111 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #107943: Ethyl Chloride 23 3.20 3.30 3.40 3.50 3.60 3.70 m/ z 40.10 49.30% 64 5000

49 E 25 35

n/z-> o TIIT .115.... Il ?1.48-HlH0 1 67.................... 60 1 11'" i"111" " i"1 rrn 111" " i1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.20 3.30 3.40 3.50 3 60 3.70

07768.D SCAN020403.M Fri Apr 05 14:32:40 2002 Page 3

NYC-WTC_000047469

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NYC-WTC_000047469Source: NYC Law Department, mirrored locally

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