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Radioactive substance notifications

You need to notify SEPA if you: manage any of the following radioactive sources: sealed sources in IAEA category 5 that exceed 200 kBq; tritium sources that exceed 20 GBq; electrodeposited sources manage a radioactive orphan source manage radioactive waste from an incident (MS Word, 238 kB) You don't need to notify SEPA if the activity can be carried out under a permit or registration that yo

Frequently asked questions

To make this section of our website easier to use, we have broken down the questions most commonly asked of us into two sections: Section A gives an introduction to the regulations and how they are enforced and may be of use to smaller businesses and contractors. Section B goes into more detail and describes definitions, concepts and processes and is a useful resource for consultants, regulators and larger businesses and contractors. It also gives more information about how the regulations differ between Scotland and England.

To make this section of our website easier to use, we have broken down the questions most commonly asked of us into two sections: Section A gives an introduction to the regulations and how they are enforced and may be of use to smaller businesses and contractors. Section B goes into more detail and describes definitions, concepts and processes and is a useful resource for consultants, regulators and larger businesses and contractors. It also gives more information about how the regulations differ between Scotland and England. To make this section of our website easier to use, we have broken down the questions most commonly asked of us into two sections: Section A gives an introduction to the regulations and how they are enforced and may be of use to smaller businesses and contractors. Section B goes into more detail and describes definitions, concepts and processes and is a useful resource for consultants, regulators a

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

Position Statement: Elevated buildings in areas of flood risk

What is an elevated building? A building where structures such as pillars or stilts are used to raise it above the expected flood water level. The ground below the building remains at risk of flooding and allows for the free flow of water. Context for this position statement This position statement constitutes part of ‘relevant SEPA advice’ as referred to in criterion a) iv of the National Plannin

What we don't do

SEPA often receives environmental event notifications for issues for which are the statutory responsibility of other organisations. To help you get to the right place quickly the table below provides a quick guide to a number of issues, together with how you can contact the right organisation. Responsibilities by topic Responsibilities Organisations Abandoned vehicles Your local authority Y

Aquatic Classification

There are a number of significant environmental problems caused by a number of pressures, including diffuse and point source pollution, alterations to beds, banks and shores, alterations to water levels and flows and the presence of invasive non-native species. In order to measure these pressures and their potential effects, we use an aquatic classification system which covers rivers, lochs, estuaries, coastal and groundwater bodies. These are split into management units called water bodies, with a classification produced for each body (the number of water bodies between years varies slightly, as some water body boundaries are reviewed to ensure that they can be managed appropriately).

There are a number of significant environmental problems caused by a number of pressures, including diffuse and point source pollution, alterations to beds, banks and shores, alterations to water levels and flows and the presence of invasive non-native species. In order to measure these pressures and their potential effects, we use an aquatic classification system which covers rivers, lochs, estuaries, coastal and groundwater bodies. These are split into management units called water bodies, with a classification produced for each body (the number of water bodies between years varies slightly, as some water body boundaries are reviewed to ensure that they can be managed appropriately). We produce an annual Water Framework Directive (WFD) Classification for all the water bodies in Scotland. Classification results for 2007 to the current year can be found on the Water Classification Hub. Read the State of Scotland's Water Environment 2024 summary report (MS Word, 1.17 MB). Most of our water environment is already in a good condition and subject to fewer pressures than most other E

Alloa monitoring buoy, Firth of Forth

Continuous monitoring equipment has been deployed from a buoy in the upper Forth estuary near South Alloa since 1988 to monitor dissolved oxygen, salinity, temperature and turbidity. Dissolved oxygen is consumed by the decomposition of organic matter. Organic matter in the upper Forth estuary originates from discharges of organic waste and organic rich sediments mixed into the water column as a re

Water

Scotland's water is famed worldwide. It's critical in the production and branding of some of our biggest exports, and a big draw for tourists. The water environment in Scotland is generally in good condition. However, there are environmental problems, including diffuse pollution, discharges of waste water, abstractions and historic physical alterations. The management of water plays a significant

Radioactive substances

Regulation of radioactive substances in Scotland

Regulation of radioactive substances in Scotland Environmental authorisations (Scotland) Regulations 2018 What are we able to do? We can now accept: Applications for an EASR18 authorisation (please contact sepa.org.uk/contact). Online notifications EASR18 for orphan source or managed radioactive substances (only IAEA category 5 that: exceed 200 kBq; tritium sources exceeding 20 GBq; and electrodeposited source. Radioactive substances in IAEA ca

Developing our flooding knowledge

We are continually working to develop and improve our knowledge on flood risk and flooding impacts and to identify new technologies to better support our flooding work.

We are continually working to develop and improve our knowledge on flood risk and flooding impacts and to identify new technologies to better support our flooding work. As the strategic flood risk management authority in Scotland we are continually working to develop and improve our knowledge of the sources and impacts of flooding. We have developed a knowledge base of methods, guidance and summaries that may be useful to responsible authorities, academic projects and consultants delivering flood risk management projects, which can be accessed below. National Flo

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