Proposed guideline values for Radioactivity in Drinking water is
Correct Answer: Gross a activity 0.1 Bq/L and Gross b activity 1.0 Bq/L
Description: Key guideline aspects of WHO recommended drinking water quality: –
Colour < 15 true colour units (TCU)
Turbidity < 5 nephlometric turbidity units (NTU)
pH: 6.5 – 8.5
Total dissolved solids (TDS) < 600 mg/litre
Zero pathogenic microorganisms
Zero infectious viruses
Absence of pathogenic protozoa and infective stages of helminthes
Fluorine < 1.5 ppm (0.5 – 0.8 ppm: Optimum level)
Nitrates < 50 mg/litre
Nitrites < 3 mg/litre
Gross alpha radiological activity < 0.5 Bq/litre (New Guideline — WhO)
Gross beta radiological activity < 1.0 Bq/litre (New Guideline — WhO).
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now