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Technical guidance

Further technical guidance This page brings together a number of ancillary guidance documents and previous email bulletin information relating to modelling of marine fish-farms for CAR licence applications. Auxiliary biomass sampling transect In areas where the tidal residual current is weak, the auxiliary transect (site-specific sampling 2) may be aligned along a bearing reciprocal to the primary

Naturally Occurring Radioactive Materials (NORM)

We are responsible for regulating the keeping and use of radioactive substances and the accumulation and disposal of radioactive wastes. These pages describe the development of the UK strategy for managing wastes containing naturally occurring radioactive material (NORM).

We are responsible for regulating the keeping and use of radioactive substances and the accumulation and disposal of radioactive wastes. These pages describe the development of the UK strategy for managing wastes containing naturally occurring radioactive material (NORM). Naturally occurring radioactive materials exist in the earth’s crust as a result of the decay of heavy elements produced by cosmic processes. In their natural state they are not considered waste. NORM waste is produced when activities including mining and the processing of minerals and contaminated earth concentrate NORM. It is also produced as a result of maintenance and decommissioning of equipm

Exempt activities

SEPA gathers data annually on the type, quantity and geographical origin of the waste handled from operators of the following ‘complex’ exempt activities. Paragraphs 7, 8(2), 10, 46 and 50. Paragraphs 9 and 19 where the volume of waste used exceeds 2,500 cubic metres Paragraph 12 where the volume of waste used exceeds 10 tonnes per year. Operators are asked to submit their data returns usin

Activities exempt from waste management licensing

Information regarding activities that may be exempt from waste management licensing, and the statutory controls to prevent environmental pollution and harm to human health

Information regarding activities that may be exempt from waste management licensing, and the statutory controls to prevent environmental pollution and harm to human health From the 1st November 2025, you will no longer be able to apply for the exemptions listed on this page. The information on this page remains to help existing exemption holders comply with their legal obligations, before transitioning to the new Environmental Authorisation (Scotland) Regulation (EASR) framework for authorisations. To find out what authorisation you will need when your exemption exp

Modelling

Marine aquaculture modelling Computer modelling is used as a guide to determining licensed discharge quantities of anti-parasitic chemicals and organic waste arising from marine fish-farm operations. The modelling tools promoted by SEPA provide robust predictions in most cases, requiring relatively little site-specific information. Nevertheless, the quality of the model outputs is dependent upon g

Zero Waste

SEPA works with the Scottish Government and Zero Waste Scotland to achieve the objectives and targets of the Zero Waste Plan, published in 2010. We have a wide range of responsibilities including regulating waste management activities such as landfills, incinerators and the export of waste, administering the producer responsibility schemes for packaging, WEEE and batteries, collecting and interpre

Waste site information

Description of the type of data held about waste sites and why we collect it.

Description of the type of data held about waste sites and why we collect it. Scottish waste sites and capacity tool Information Reporting years Last updated Landfill sites and capacity (Annual) 2014 - 2024 January 2026 Waste sites and capacity (Annual) 2014 - 2024 January 2026 Site return data (Quarterly) Q1 2007 – Q4 2024 January 2026 Waste sites and capacity information This Scottish waste sites and capacity tool provides an annual summar

Technical concepts

Part IIA introduces a number of technical concepts and some key concepts are considered in this section. A number of methods and models are available to assist in the derivation of site specific assessment criteria, as highlighted in the other "technical concepts and tools" sections

Part IIA introduces a number of technical concepts and some key concepts are considered in this section. A number of methods and models are available to assist in the derivation of site specific assessment criteria, as highlighted in the other "technical concepts and tools" sections Part II A introduces a number of technical concepts and some key concepts are considered in this section. A number of methods and models are available to assist in the derivation of site specific assessment criteria, as highlighted in the other 'technical concepts and tools' sections. Site specific risk assessment A risk assessment represents the structured gathering of information in order to for

Superglass Sustainable Growth Agreement

Find information about our Sustainable Growth Agreement (SGA) with Superglass here.

Find information about our Sustainable Growth Agreement (SGA) with Superglass here. Through this Sustainable Growth Agreement (SGA), SEPA and Superglass have agreed to work collaboratively to deliver powerful environmental performance. The agreement aims to enable Superglass to further move its business towards long-term prosperity (environmental, social and economic success) by identifying opportunities for Superglass to go beyond compliance and develop new and innovative produc

Environmental monitoring and assessment

Radioactive substances are used routinely in Scotland for medical diagnosis and treatment, research, energy generation and industrial processes. Under the Environmental Authorisations (Scotland) Regulations 2018 (EA(S)R), we regulate these activities including discharges to the environment. We are responsible for ensuring that public radiation doses as a result of authorised radioactive discharges

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