| Clue | Source | Date |
|---|---|---|
| Clean US water (anag) a possible pollutant (7,5) | ||
| A byproduct from radioactive reactors and fuel processing plants (7,5) | ||
| Clean US water (anag) – possible pollutant | The Guardian Quick | 30 Oct 2023 |
| Foreign character creates law for regulating hazardous material | The Telegraph Cryptic | 28 Jul 2016 |