Source Radon Bq/L Uranium(μg/L)
WHO ---- 15
USEPA ~150 30
Ostergren et al 100#
1000##
15
# More than 100 Bq/L is a compulsory action level for public water plants
## More than 1000 Bq/L is a compulsory action level for all kinds of water
Table 1: Standards and guide lines for radon and uranium [5,21,22].