The glycolethers were not distributed equally among the various groups of operations.
2
It was not always clear, however, in what precise operation the glycolethers were involved.
3
Ethylene glycolethers were mainly present in establishments or operations where printing pastes, inks, paints and varnishes were used.
4
The majority of air samples revealed complex mixtures of ethylene glycolethers with other solvents, the glycolethers often being minor components.
5
From 1983 onward, 2654 air samples from 336 different plants from the northern part of Belgium were analyzed for the presence of ethylene glycolethers.