Ordinance
on the Avoidance and the Disposal of Waste
(Waste Ordinance, ADWO)

Elec­tric arc fur­nace slag may only be re­covered with the con­sent of the can­ton­al au­thor­ity if:²⁶

a.

re­cov­ery is car­ried out in the course of con­struc­tion work in hy­draul­ic­ally or bi­tu­min­ously bound form or un­der a sur­face im­per­meable to wa­ter; and

b.

the elec­tric arc fur­nace slag ori­gin­ates from the man­u­fac­ture of un­al­loyed or low al­loyed steels sub­sequent to 1989.