This guide is intended to support operators of batch (general) galvanizing plants and the permitting authorities to understand the requirements and obligations arising from European Commission Implementing Decision (EU) 2022/2110 of 11 October 2022 establishing the best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions, for the ferrous metals processing industry. EGGA was an active participant to the EIPPCB Technical Working Group that developed these BAT Conclusions. The guide is based on our experience is the development and adoption of the BAT Conclusions.