Small Biomass,Solid biomass including solid biomass contained in municipal solid waste,Less than 20kWth,Tier 1:6.8 Tier 2:1.5,
Medium Biomass,Solid biomass including solid biomass contained in municipal solid waste,20kWth and above up to but not including 200kWth,Tier 1:6.5 Tier 2:1.5,