The Offshore Combustion Installations (Prevention and Control of Pollution) Regulations 2013 (as amended including in 2018) transposed the requirements of the Industrial Emissions Directive (IED).
Large combustion plant are required to use the best available techniques (BAT). The BAT associated emission levels (BAT-AEL) are set out in the LCP BREF and are mandatory unless derogation from those BAT-AEL is justified.
The purpose of this guidance is to provide information to assist and support the operators and to provide an overview of the derogation process.
Source: BEIS OPRED.