# The Environmental Authorisations (Scotland) Regulations 2018, Paragraph 18: Emission limit values for SO2 combustion plants using gaseous fuels (with the exception of gas turbines and gas engines)


(1) Emission limit values (mg/Nm3) for SO2 for combustion plants using gaseous fuels with the exception of gas turbines and gas engines are, unless the circumstances in sub-paragraph (2) apply, as stated in Table 2—
Table 2
In general
35
Liquefied gas
5
Low calorific gases from coke oven
400
Low calorific gases from blast furnace
200
(2) Combustion plants, firing low calorific gases from gasification of refinery residues, which were granted a permit before 27 November 2002 or where a complete application for a permit was submitted before that date, provided that the plant was put into operation no later than 27 November 2003, are subject to an emission limit value for SO2 of 800 mg/Nm3.

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Source: https://www.legislation.gov.uk/ssi/2018/219/schedule/21/paragraph/18 (the official version)
Page: https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-21/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.