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Statistical test for the temporal trend of drinking water radioactivity in 2014–2021 around SNPP.
| Z -value | Z 0.975 | Trend | ||
|---|---|---|---|---|
| Raw water | Gross α | 0.169 | 1.960 | No trend |
| Gross β | −1.523 | |||
| Factory water | Gross α | −0.508 | ||
| Gross β | −0.042 | |||
| Tap water | Gross α | −0.169 | ||
| Gross β | 0.508 |
