SCHEDULE 23Radioactive substances activities

PART 6Radioactive substances activity exemptions

SECTION 9Tables and summation rules in this Part

Table 627

The Table 6 referred to in Sections 5 and 7 of this Part is—

Table 6Radioactive waste: values of quantities and concentrations

Radioactive waste

Maximum concentration of radionuclides

Maximum quantity of radioactivity to be disposed of in the period stated

Solid radioactive waste, with no single item > 4 x 104 Bq

4 x 105 Bq for the sum of all radionuclides per 0.1m3

2 x 108 Bq/year

Solid radioactive waste containing tritium and C-14 only, with no single item > 4 x 105 Bq

4 x 106 Bq of tritium and C-14 per 0.1m3

2 x 109 Bq/year

Individual sealed sources

2 x 105 Bq for the sum of all radionuclides per 0.1m3

1 x 107 Bq/year

Individual sealed sources which are solely radioactive waste because they contain tritium

2 x 1010 Bq of tritium per 0.1m3

1 x 1013 Bq/year

Luminised articles with no single item containing > 8 x 107 Bq of Pm-147 or > 4 x 109 of tritium

8 x 107 Bq per 0.1m3 of Pm-147

2 x 109 Bq/year of Pm-147

or 4 x 109 Bq per 0.1m3 for tritium

or 1 x 1011 Bq/year of tritium

Solid radioactive waste which consists of magnesium alloy, thoriated tungsten or dross from hardener alloy in which the thorium concentration does not exceed 4% by mass

No limit

No limit

Solid uranium or thorium compound

No limit

0.5kg of uranium or thorium per week

Aqueous liquid uranium or thorium compound

No limit

0.5kg of uranium or thorium per year

Aqueous liquid human excreta

No limit

1 x 1010 Bq/year of Tc-99m

and

5 x 109 Bq/year for the sum of all other radionuclides