Preface

Analysis of chemical substances in balloons

The project ”Analysis of chemical substances in balloons” has been carried out by Danish Technological Institute in the period from mid March 2006 to mid November 2006.

The project has been headed by project manager lic.scient. Nils H. Nilsson, Materials Division, who has also been the responsible contact person to the Environmental Protection Agency (EPA).

The contact persons at EPA were Peter Hammer Soerensen and Frank Jensen.

The purpose of the present project was to investigate whether balloons contain or liberate any chemical substances hazardous to health. Principal focus has been on nitrosamines, nitrosatable substances or other degradation/conversion products formed from accelerators and other rubber chemicals used.