# The Environmental Authorisations (Scotland) Regulations 2018, Part 6: Tables

Extent: S

Table 1
Concentration of radionuclides: NORM industrial activities
Radionuclide
Solid or relevant liquid concentration in becquerels per gram (Bq/g)
Any other liquid concentration becquerels per litre (Bq/l)
Gaseous concentration in becquerels per cubic metre (Bq/m3)
U-238sec
1
0.1
0.001
U-238+
5
10
0.01
U-234
5
10
0.01
Th-230
10
10
0.001
Ra-226+
1
1
0.01
Pb-210+
5
0.1
0.01
Po-210
5
0.1
0.01
U-235sec
1
0.1
0.0001
U-235+
5
10
0.01
Pa-231
5
1
0.001
Ac-227+
1
0.1
0.001
Th-232sec
1
0.1
0.001
Th-232
5
10
0.001
Ra-228+
1
0.1
0.01
Th-228+
1
1
0.001

---
Source: https://www.legislation.gov.uk/ssi/2018/219/schedule/8/part/6 (the official version)
Page: https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-8/part-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.