The Environmental Permitting (England and Wales) Regulations 2016 No. 1154

SCHEDULE 23 E+W Radioactive substances activities

PART 3 E+W Tables of radionuclides and summation rules

Table 1 E+W

1.—(1) The Table 1 referred to in paragraph 4 of Part 2 (NORM industrial activities) is—

Table 1

Concentration of radionuclides: NORM industrial activities

Radionuclide	Solid or relevant liquid concentration in becquerels per gram (Bq/g)	Any other liquid concentration in becquerels per litre (Bq/l)	Gaseous concentration in becquerels per cubic metre (Bq/m3)
U-238sec M1	[F1 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+	[F1 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	[F1 1]	0.1	0.001
Th-232	5	10	0.001
Ra-228+	1	0.1	0.01
Th-228+	[F1 1]	1	0.001

(2) The Table 1 summation rule in respect of column 2, 3 or 4 means the sum of the quotients A/B where—

(a) “A” means the concentration of each radionuclide listed in column 1 of Table 1 that is present in the substance or article, and

(b) “B” means the concentration of that radionuclide specified in column 2, 3 or 4 (as appropriate) of Table 1.

Textual Amendments

F1 Figures in Sch. 23 Pt. 3 para. 1(1) Table 1 substituted (2.5.2018) by The Environmental Permitting (England and Wales) (Amendment) (No. 2) Regulations 2018 (S.I. 2018/428), reg. 1, Sch. para. 8

Marginal Citations

M1 For the meaning of ‘sec’ and ‘+’ in this Part, see paragraph 3.