Volume Three Appendix 8 Schedule 5 – Chimney Height Schedules for External Combustion Table 1: Chimney Height Schedules for Diesel, Coal, Wood and Pellet Boilers Diesel PM Emission Rate Indicative Heat Chimney Height 10 g/h r Output Metr es 1 40kW 6.0 3 100kW 7.0 6 200kW 7.0 9 300kW 7.0 12 400kW 7.0 15 500kW 7.0 30 1MW 8.0 45 2MW 8.0 90 3MW 9.0 121 4MW 9.0 151 5MW 9.0 181 6MW 10.0 211 7MW 10.0 241 8MW 10.0 271 9MW 10.0 302 10MW 10.0 Coal PM Emission Rate Indicative Heat Chimney Height 10 g/h r Output Metr es 14 40kW 8.0 36 100kW 10.5 72 200kW 13.0 107 300kW 14.5 175 1MW 20.0 Wood PM Emission Rate Indicative Heat Chimney Height 10 g/h r Output Metr es 20 40kW 10.0 51 100kW >12.0* 100 200kW >12.0 152 300kW >12.0 203 400kW >12.0 253 500kW >12.0 App 8 - 3