Paragraph 25 Emission limit values for SO2 combustion plants using solid or liquid fuels (except gas turbines and gas engines)F1

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

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

300

250 in case of fluidised bed combustion

200

>300

150

200 in case of circulating or pressurised fluidised bed combustion

150

200 in case of fluidised bed combustion

150

Annotations

Textual amendments

F1: Sch. 21 inserted (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 12 (with sch. 23)