In the future, every time a mining site starts up, a financial guarantee must be given and regularly adjusted to ensure that obligations are met, during and after use of the site, for the rehabilitation of the land within the site as well as land directly affected by the waste facility.
- 1985. gadā Itālijā, Stavā sabruka fluorīda sārņu dīķa nostiprinājums: rezultātā gāja bojā 268 cilvēki un tika nopostītas 62 ēkas.