Commentaries: Art. 168

Industrial sectors involving NORM are, in particular:
1. groundwater filtration facilities;
2. gas production;
3. geothermal energy production (deep geothermal energy);
4. zircon and zirconium industry;
5. cement production and maintenance of clinker ovens;
6. maintenance and removal of heat-resistant zirconium alloy cladding;
7. tunnelling in rock formations with elevated uranium or thorium concentrations.
In industrial sectors involving NORM, enterprises shall determine by means of representative measurements whether:
1. the NORM clearance limit is exceeded in discharged materials;
2. staff are occupationally exposed persons as defined in Article 51 paragraphs 1 and 2;
3. the handling of NORM may lead to a dose for members of the public which is not negligible from a radiological protection point of view.
The enterprises shall submit evidence of the tests conducted in accordance with paragraph 2 and the results thereof to the FOPH.
The FOPH shall support the enterprises in the determination of the situations specified in paragraph 2 letters b and c.
In industrial sectors involving NORM, the FOPH and Suva may conduct spot-check measurements.