# The Environmental Authorisations (Scotland) Regulations 2018, Paragraph 49


(1) Any activity for the polymerisation or co-polymerisation of any pre-formulated resin or pre-formulated gel coat which contains any styrene, which is likely to involve, in any 12-month period, the polymerisation or co-polymerisation of 100 tonnes or more of styrene.
(2) Any activity for polymerising or co-polymerising any unsaturated hydrocarbons or a product of an activity listed in schedule 21 (other than a pre-formulated resin or pre-formulated gel coat which contains any unsaturated hydrocarbons), which is likely to involve, in any 12 month period, the polymerisation or co-polymerisation of 50 tonnes or more of any of those materials or, in aggregate, of any combination of those materials.

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Source: https://www.legislation.gov.uk/ssi/2018/219/schedule/26/part/3/paragraph/49 (the official version)
Page: https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-26/part-3/paragraph-49
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.