Proposed guideline value for Radioactivity in drinking water is:
Gross a activity 0.1 Bq/L and Gross b activity 1.0 Bq/L Gross a activity 1.0 Bq/L adn Gross b activity 0.1 Bq/L Gross a activity 1.0 Bq/L and Gross b activity 10.0 Bq/L Gross a activity 10 Bq/L and Gross b activity 1.0 Bq/L