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The Private Water Supplies (Wales) (Amendment) Regulations 2016
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Regulation 5
SCHEDULE 1
“PART 3Radioactive substances parameters
TABLE D
Parametric values for radon, tritium and ID of water intended for human consumption
(i) Enforcement action by the local authority is deemed justified on radiological protection grounds without further consideration where radon concentrations exceed 1,000 Bq/1. | |||
(ii) If tritium concentration exceeds its parametric value, an investigation (which may include analysis) of the presence of artificial radionuclides must be carried out.” | |||
| Parameters | Maximum concentration or value | Units of measurement | |
|---|---|---|---|
| Indicative dose (for radioactivity) | 0,10 | mSv | |
| Radon(i) | 100 | Bq/1 | |
| Tritium (for radioactivity)(ii) | 100 | Bq/l | |
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