SCHEDULENew Schedule 1A to the Act

Regulation 7

SCHEDULE 1ATables of NORM industrial activities, radionuclides and summation rules

Section 1A-D

Table 1NORM Industrial ActivitiesPart 1

Production and use of thorium, or thorium compounds, and the production of products where thorium is deliberately added

Production and use of uranium or uranium compounds, and the production of products where uranium is deliberately added

Part 2

Extraction, production and use of rare earth elements and rare earth element alloys

Mining and processing of ores other than uranium ore

Production of oil and gas

Removal and management of radioactive scales and precipitates from equipment associated with industrial activities

Any industrial activity utilising phosphate ore

Manufacture of titanium dioxide pigments

The extraction and refining of zircon and manufacture of zirconium compounds

Production of tin, copper, aluminium, zinc, lead and iron and steel

Activities related to coal mine de-watering plants

Water treatment associated with provision of drinking water and the remediation of contamination from other NORM industrial activities

China clay extraction

Table 2Concentration 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

0.5

0.1

0.001

U-238+

5

10

0.01

U-234

5

10

0.01

Th-230

10

10

0.001

Ra-226+

0.5

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

0.5

0.1

0.001

Th-232

5

10

0.001

Ra-228+

1

0.1

0.01

Th-228+

0.5

1

0.001

1

“The table 2 summation rule” means the sum of the quotient A/B where—

a

“A” means the quantity of each radionuclide listed in column 1 of Table 2 that is present in the substance or article; and

b

“B” means the quantity of that radionuclide specified in (as appropriate)—

i

column 2 of Table 2 where the substance or article is a solid or a relevant liquid;

ii

column 3 of Table 2 where the substance or article is any other liquid; or

iii

column 4 of Table 2 where the substance or article is a gas.

Table 3Concentration of radionuclides

Radionuclide

Concentration in becquerels per gram (Bq/g)

H-3

102

Be-7

10

C-14

10

F-18

1

Na-22

0.1

Na-24

0.1

Si-31

102

P-32

102

P-33

102

S-35

102

Cl-36

1

Cl-38

1

K-42

10

K-43

1

Ca-45

102

Ca-47

1

Sc-46

0.1

Sc-47

10

Sc-48

0.1

V-48

0.1

Cr-51

10

Mn-51

1

Mn-52

0.1

Mn-52m

1

Mn-53

103

Mn-54

0.1

Mn-56

1

Fe-52+

1

Fe-55

102

Fe-59

0.1

Co-55

1

Co-56

0.1

Co-57

1

Co-58

0.1

Co-58m

102

Co-60

0.1

Co-60m

103

Co-61

102

Co-62m

1

Ni-59

102

Ni-63

102

Ni-65

1

Cu-64

10

Zn-65

1

Zn-69

102

Zn-69m+

1

Ga-72

1

Ge-71

104

As-73

102

As-74

1

As-76

1

As-77

102

Se-75

1

Br-82

0.1

Rb-86

10

Sr-85

1

Sr-85m

10

Sr-87m

10

Sr-89

10

Sr-90+

1

Sr-91+

1

Sr-92

1

Y-90

102

Y-91

10

Y-91m

1

Y-92

10

Y-93

10

Zr-93

10

Zr-95+

0.1

Zr-97+

1

Nb-93m

102

Nb-94

0.1

Nb-95

1

Nb-97+

1

Nb-98

1

Mo-90

1

Mo-93

10

Mo-99+

1

Mo-101+

1

Tc-96

0.1

Tc-96m

10

Tc-97

10

Tc-97m

10

Tc-99

1

Tc-99m

102

Ru-97

1

Ru-103+

1

Ru-105+

1

Ru-106+

1

Rh-103m

104

Rh-105

10

Pd-103+

103

Pd-109+

102

Ag-105

1

Ag-108m+

0.1

Ag-110m+

0.1

Ag-111

10

Cd-109+

10

Cd-115+

1

Cd-115m+

10

In-111

1

In-113m

10

In-114m+

1

In-115m

10

Sn-113+

1

Sn-125

1

Sb-122

1

Sb-124

0.1

Sb-125+

1

Te-123m

1

Te-125m

102

Te-127

102

Te-127m+

10

Te-129

10

Te-129m+

10

Te-131

10

Te-131m+

1

Te-132+

0.1

Te-133+

1

Te-133m+

1

Te-134

1

I-123

10

I-125

1

I-126

1

I-129

0.1

I-130

1

I-131+

1

I-132

1

I-133

1

I-134

1

I-135

1

Cs-129

1

Cs-131

103

Cs-132

1

Cs-134

0.1

Cs-134m

103

Cs-135

10

Cs-136

0.1

Cs-137+

1

Cs-138

1

Ba-131

1

Ba-140

0.1

La-140

0.1

Ce-139

1

Ce-141

10

Ce-143

1

Ce-144+

10

Pr-142

10

Pr-143

102

Nd-147

10

Nd-149

10

Pm-147

102

Pm-149

102

Sm-151

102

Sm-153

10

Eu-152

0.1

Eu-152m

10

Eu-154

0.1

Eu-155

10

Gd-153

10

Gd-159

10

Tb-160

0.1

Dy-165

102

Dy-166

10

Ho-166

10

Er-169

102

Er-171

10

Tm-170

10

Tm-171

102

Yb-175

10

Lu-177

10

Hf-181

1

Ta-182

0.1

W-181

10

W-185

102

W-187

1

Re-186

102

Re-188

10

Os-185

1

Os-191

10

Os-191m

103

Os-193

10

Ir-190

0.1

Ir-192

0.1

Ir-194

10

Pt-191

1

Pt-193m

102

Pt-197

102

Pt-197m

102

Au-198

1

Au-199

10

Hg-197

10

Hg-197m

10

Hg-203

1

Tl-200

1

Tl-201

10

Tl-202

1

Tl-204

10

Pb-203

1

Pb-210+

0.01

Pb-212+

1

Bi-206

0.1

Bi-207

0.1

Bi-210

10

Bi-212+

1

Po-203

1

Po-205

1

Po-207

1

Po-210

0.01

At-211

102

Ra-223+

1

Ra-224+

1

Ra-225

1

Ra-226+

0.01

Ra-227

10

Ra-228+

0.01

Ac-227+

0.01

Ac-228

1

Th-226+

102

Th-227

1

Th-228+

0.1

Th-229+

0.1

Th-230

0.1

Th-231

102

Th-232

0.01

Th-232+

0.01

Th-232sec

0.01

Th-234+

10

Pa-230

1

Pa-231

0.01

Pa-233

1

U-230+

1

U-231

10

U-232+

0.1

U-233

1

U-234

1

U-235+

1

U-235sec

0.01

U-236

1

U-237

10

U-238+

1

U-238sec

0.01

U-239

102

U-240+

10

Np-237+

0.1

Np-239

10

Np-240

1

Pu-234

102

Pu-235

102

Pu-236

0.1

Pu-237

10

Pu-238

0.1

Pu-239

0.1

Pu-240

0.1

Pu-241

1

Pu-242

0.1

Pu-243

102

Pu-244+

0.1

Am-241

0.1

Am-242

102

Am-242m+

0.1

Am-243+

0.1

Cm-242

1

Cm-243

0.1

Cm-244

0.1

Cm-245

0.1

Cm-246

0.1

Cm-247+

0.1

Cm-248

0.1

Bk-249

10

Cf-246

10

Cf-248

1

Cf-249

0.1

Cf-250

0.1

Cf-251

0.1

Cf-252

0.1

Cf-253

1

Cf-253+

1

Cf-254

0.1

Es-253

1

Es-254+

0.1

Es-254m+

1

Fm-254

102

Fm-255

10

Any other solid or non-aqueous liquid radionuclide that is not of natural terrestrial or cosmic origin

0.01, unless the concentration which gives rise to the same 10 µSv/ year dose criteria as used in column 2 of this table can be calculated using guidance by Euratom in RP 122 part 16or any successor Euratom guidance or decision applying to the derivation of the concentrations in this table, in which case that concentration.

2

“The table 3 summation rule” means the sum of the quotient A/B where—

a

“A” means the concentration of each radionuclide listed in column 1 of Table 3 that is present in the substance or article, and

b

“B” means the quantity of that radionuclide specified in column 2 of Table 3.

Table 4

Radionuclides in Secular Equilibrium

Parent radionuclide

Daughter radionuclides

Ac-227+

Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211

Ag-108m+

Ag-108

Ag-110m+

Ag-110

Am-242m+

Np-238

Am-243+

Np-239

Bi-212+

Tl-208

Cd-109+

Ag-109m

Cd-115+

In-115m

Cd-115m+

In-115m

Ce-144+

Pr-144, Pr-144m

Cf-253+

Cm-249

Cm-247+

Pu-243

Cs-137+

Ba-137m

Es-254+

Bk-250

Es-254m+

Fm-254

Fe-52+

Mn-52m

I-131+

Xe-131m

In-114m+

In-114

Mo-99+

Tc-99m

Mo-101+

Tc-101

Nb-97+

Nb-97m

Np-237+

Pa-233

Pb-210+

Bi-210, Po-210

Pb-212+

Bi-212, Tl-208

Pd-103+

Rh-103m

Pd-109+

Ag-109m

Pu-244+

U-240, Np-240m, Np-240

Ra-223+

Rn-219, Po-215, Pb-211, Bi-211, Tl-207

Ra-224+

Rn-220, Po-216, Pb-212, Bi-212, Tl-208

Ra-226+

Rn-222, Po-218, Pb-214, Bi-214, Po-214

Ra-228+

Ac-228

Ru-103+

Rh-103m

Ru-105+

Rh-105m

Ru-106+

Rh-106

Sb-125+

Te-125m

Sn-113+

In-113m

Sr-90+

Y-90

Sr-91+

Y-91m

Te-127m+

Te-127

Te-129m+

Te-129

Te-131m+

Te-131

Te-132+

I-132

Te-133+

I-133, Xe-133m, Xe-133

Te-133m+

Te-133, I-133, Xe-133m, Xe-133

Th-226+

Ra-222, Rn-218, Po-214

Th-228+

Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208

Th-229+

Ra-225, Ac-225, Fr-221, At-217, Bi-213, Tl-209, Pb-209

Th-232+

Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208

Th-232sec

Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Po-212, Tl-208

Th-234+

Pa-234m, Pa-234

U-230+

Th-226, Ra-222, Rn-218, Po-214

U-232+

Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208

U-235+

Th-231

U-235sec

Th-231, Pa-231, Ac-227, Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211

U-238+

Th-234, Pa-234m, Pa-234

U-238sec

Th-234, Pa-234m, Pa-234, U-234, Th-230, Ra-226, Rn-222, Po-218, Pb-214, Bi-214, Po-214, Pb-210, Bi-210, Po-210

U-240+

Np-240m, Np-240

Zn-69m+

Zn-69

Zr-95+

Nb-95m

Zr-97+

Nb-97m, Nb-97