# The Environmental Authorisations (Scotland) Regulations 2018, Paragraph 25: Emission limit values for SO2 combustion plants using solid or liquid fuels (except gas turbines and gas engines)


Emission limit values (mg/Nm3) for SO2 for combustion plants using solid or liquid fuels with the exception of gas turbines and gas engines are as set out in Table 7—
Table 7
Total rated thermal input (MW)
Coal and lignite and other solid fuels
Biomass
Peat
Liquid fuels
50-100
400
200
300
350
100-300
200
200
300
250 in case of fluidised bed combustion
200
>300
150
200 in case of circulating or pressurised fluidised bed combustion
150
150
200 in case of fluidised bed combustion
150

---
Source: https://www.legislation.gov.uk/ssi/2018/219/schedule/21/paragraph/25 (the official version)
Page: https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-21/paragraph-25
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.