Ingestion doses and hazard quotients due to intake of Uranium in drinking water from Udhampur District of Jammu and Kashmir State, India

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Table 1

Calculated uranium concentration with statistical parameters, LADD and HQ in four Tehsils of Udhampur district, J&K, Himalayas.

	(Udhampur)		(Ramnagar)		(Chenani)		(Majalta)
Sample collected	18		17		11		11
Uranium range	0.25–27.15 (ppb)	0.006-0.66 (Bq L⁻¹)	0.19–27.93 (ppb)	0.004–0.68 (Bq L⁻¹)	0.14–0.68 (ppb)	0.003–0.016 (Bq L⁻¹)	1.63–28.09 (ppb)	0.04–0.69 (Bq L⁻¹)
Mean	13.58	0.33	9.67	0.24	0.29	0.007	17.61	0.43
Standard deviation	8.47	0.20	8.98	0.23	0.16	0.004	8.71	0.21
Median	15.17	0.37	5.40	0.13	0.23	0.005	18.23	0.45
Geometric mean	7.49	0.18	3.04	0.07	0.25	0.006	13.20	0.32
Harmonic mean	1.60	0.04	0.65	0.015	0.22	0.005	7.41	0.17

LADD (μg kg⁻¹ day⁻¹)	0.020–2.07		0.015–2.135		0.008–0.052		0.0125–2.14
HQ	0.0165–1.73		0.012–1.78		0.007–0.043		0.104–1.79

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