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

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

F2Geothermal energy production

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

0.1

Pb-210+

5

0.1

0.1

Po-210

5

0.1

0.1

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

Ra228+

1

0.1

0.01

Th-228+

1

1

0.001

H-3

10²

Be-7

10

C-14

10

F-18

10

Na-22

0.1

Na-24

1

Si-31

10³

P-32

10³

P-33

10³

S-35

10²

CI-36

1

CI-38

10

K-42

10²

K-43

10

Ca-45

10²

Ca-47

10

Sc-46

0.1

Sc-47

10²

Sc-48

1

V-48

1

Cr-51

10²

Mn-51

10

Mn-52

1

Mn-52m

10

Mn-53

10²

Mn-54

0.1

Mn-56

10

Fe-52+

10

Fe-55

10³

Fe-59

1

Co-55

10

Co-56

0.1

Co-57

1

Co-58

1

Co-58m

10⁴

Co-60

0.1

Co-60m

10³

Co-61

10²

Co-62m

10

Ni-59

10²

Ni-63

10²

Ni-65

10

Cu-64

10²

Zn-65

0.1

Zn-69

10³

Zn-69m⁺

10

Ga-72

10

Ge-71

10⁴

As-73

10³

As-74

10

As-76

10

As-77

10³

Se-75

1

Br-82

1

Rb-86

10²

Sr-85

1

Sr-85m

10²

Sr-87m

10²

Sr-89

10³

Sr-90+

1

Sr-91+

10

Sr-92

10

Y-90

10³

Y-91

10²

Y-91m

10²

Y-92

10²

Y-93

10²

Zr-93

10

Zr-95+

1

Zr-97+

10

Nb-93m

10

Nb-94

0.1

Nb-95

1

Nb-97+

10

Nb-98

10

Mo-90

10

Mo-93

10

Mo-99+

10

Mo-101+

10

Tc-96

1

Tc-96m

10³

Tc-97

10

Tc-97m

10

Tc-99

1

Tc-99m

10²

Ru-97

10

Ru-103+

1

Ru-105+

10

Ru-106+

0.1

Rh-103m

10⁴

Rh-105

10²

Pd-103+

10³

Pd-109+

10²

Ag-105

1

Ag-108m+

0.1

Ag-110m+

0.1

Ag-111

10

Cd-109+

1

Cd-115+

10²

Cd-115m+

10²

In-111

10

In-113m

10²

In-114m

10

In-115m

10²

Sn-113+

1

Sn-125

10

Sb-122

10

Sb-124

1

Sb-125+

0.1

Te-123m

1

Te-125m

10³

Te-127

10³

Te-127m+

10

Te-129

10²

Te-129m+

10

Te-131

10²

Te-131m+

10

Te-132+

1

Te-133+

10

Te-133m+

10

Te-134

10

I-123

10²

I-125

10²

I-126

10

I-129

0.01

I-130

10

I-131+

10

I-132

10

I-133

10

I-134

10

I-135

10

Cs-129

10

Cs-131

10³

Cs-132

10

Cs-134

0.1

Cs-134m

10³

Cs-135

10²

Cs-136

1

Cs-137+

1

Cs-138

10

Ba-131

10

Ba-140

1

La-140

1

Ce-139

1

Ce-141

100

Ce-143

10

Ce-144+

10

Pr-142

10²

Pr-143

10³

Nd-147

10²

Nd-149

10²

Pm-147

10³

Pm-149

10³

Sm-151

10³

Sm-153

10

Eu-152

0.1

Eu-152m

10

Eu-154

0.1

Eu-155

1

Gd-153

10

Gd-159

10²

Tb-160

1

Dy-165

10³

Dy-166

10²

Ho-166

10²

Er-169

10³

Er-171

10²

Tm-170

10²

Tm-171

10³

Yb-175

10²

Lu-177

10²

Hf-181

1

Ta-182

0.1

W-181

10

W-185

10³

W-187

10

Re-186

10³

Re-188

10²

Os-185

10³

Os-191

10²

Os-191m

10³

Os-193

10²

Ir-190

1

Ir-192

1

Ir-194

10²

Pt-191

10

Pt-193m

10³

Pt-197

10³

Pt-197m

10²

Au-198

10

Au-199

10²

Hg-197

10²

Hg-197m

10²

Hg-203

10

TI-200

10

TI-201

10²

TI-202

10

TI-204

1

Pb-203

10

Pb-210+

0.01

Pb-212+

1

Bi-206

1

Bi-207

0.1

Bi-210

10

Bi-212+

1

Po-203

10

Po-205

10

Po-207

10

Po-210

0.01

At-211

10³

Ra-223+

1

Ra-224+

1

Ra-225

10

Ra-226+

0.01

Ra-227

10²

Ra-228+

0.01

Ac-227+

0.01

Ac-228

1

Th-226+

10³

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

10

Pa-231

0.01

Pa-233

10

U-230

10

U-231

10²

U-232+

0.1

U-233

1

U-234

1

U-235+

1

U-235sec

0.01

U-236

10

U-237

10²

U-238+

1

U-238sec

0.01

U-239

10²

U-240+

10²

Np-237+

1

Np-239

10²

Np-240

10

Pu-234

10³

Pu-235

10²

Pu-236

1

Pu-237

10²

Pu-238

0.1

Pu-239

0.1

Pu-240

0.1

Pu-241

10

Pu-242

0.1

Pu-243

10³

Pu-244+

0.1

Am-241

0.1

Am-242

10³

Am-242m+

0.1

Am-243+

0.1

Cm-242

10

Cm-243

1

Cm-244

1

Cm-245

0.1

Cm-246

0.1

Cm-247+

0.1

Cm-248

0.1

Bk-249

10²

Cf-246

10³

Cf-248

1

Cf-249

0.1

Cf-250

1

Cf-251

0.1

Cf-252

1

Cf-253

10²

Cf-253+

10²

Cf-254

1

Es-253

10²

Es-254+

0.1

Es-254m+

10

Fm-254

10⁴

Fm-255

10²

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 by reference to the IAEA publication “Application of the Concepts of Exclusion, Exemption and Clearance” IAEA Safety Standards Series NO. RS-G-1.7.

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