Hoben International Ltd, formerly known as Hoben Minerals, operate a mineral drying and cooling process and expansion of Perlite under section 3.5 of the Environmental Permitting Regulations. The installation is situated near Brassington.
The installation receives raw materials in bulk and bagged form, which are stored in silos and under cover in buildings. Raw materials may be subjected to processes in different plants. .
Emissions testing is undertaken annually to demonstrate compliance with the emission limit of 50 mg/m3.