Social & Preventive Medicine Proposed guideline value for Radioactivity in drinking water is: A Gross a activity 0.1 Bq/L and Gross b activity 1.0 Bq/L B Gross a activity 1.0 Bq/L adn Gross b activity 0.1 Bq/L C Gross a activity 1.0 Bq/L and Gross b activity 10.0 Bq/L D Gross a activity 10 Bq/L and Gross b activity 1.0 Bq/L 💡 Explanation Proposed guideline value for Radioactivity in drinking water is: ✓ Correct Answer: A. Gross a activity 0.1 Bq/L and Gross b activity 1.0 Bq/L