Table 1.

Annual effective dose equivalent limit established by different organizations.

Organization	Scenario	Limit on annual effective dose equivalent	Reference
WHO	Drinking water	0.1 mSv	[27]
European Commission	Drinking water	0.1 mSv	[28]
IAEA	Drinking water	1 mSv	[31]
US DOE	Drinking water supplies operated by or for the DOE, not including naturally occurring radiation sources	0.04 mSv	[32]
US NRC	Criterion for license termination of nuclear facilities with unrestricted release, including the residual radioactivity from groundwater sources of drinking water	0.25 mSv	[8,12]