Medical MCQ - Minimum recommended concentration of free chlorine drinking water at the end of 1 hour is -

Minimum recommended concentration of free chlorine drinking water at the end of 1 hour is –

0.5 mg/L

0.1 mg/L

1.0 mg/L

1.5 mg/L

Question Category:

Social & Preventive Medicine

Correct Answer:

0.5 mg/L

Description:

The minimum recommended level of residual chlorine is 0.5 mg/L. Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 774

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