Division DEFINITIONS
United Kingdom
For the purposes of these BAT conclusions, the following definitions apply:
| Term used | Definition |
|---|---|
| New plant | A plant first permitted at the site of the installation following the publication of these BAT conclusions or a complete replacement of a plant on the existing foundations of the installation following the publication of these BAT conclusions |
| Existing plant | A plant that is not a new plant |
| Major upgrade | A major change in the design or technology of a plant and with major adjustments or replacements of the process units and associated equipment |
| Primary emissions | Emissions directly vented from the furnaces that are not spread to the areas surrounding the furnaces |
| Secondary emissions | Emissions escaping from the furnace lining or during operations such as charging or tapping and which are captured with a hood or enclosure (such as doghouse) |
| Primary production | Production of metals using ores and concentrates |
| Secondary production | Production of metals using residues and/or scraps, including remelting and alloying processes |
| Continuous measurement | Measurement using an ‘automated measuring system’ permanently installed on site for the continuous monitoring of emissions |
| Periodic measurement | Determination of a measurand (a particular quantity subject to measurement) at specified time intervals using manual or automated methods |