AMMONIA POLLUTION Subject: Environment Context: The Delhi Jal Board (DJB) said water supply to parts of north, central and south Delhi would be disrupted on Wednesday following a spike in ammonia levels in the Yamuna. Concept: DJB vice-chairman asked the Central Pollution Control Board (CPCB) and the Upper Yamuna River Board (UYRB) to […]

Subject: Environment Context: High levels of ammonia were detected in the Yamuna river. Concept: The level of ammonia in raw water of Yamuna river was 1.8 parts per million (ppm) but the acceptable maximum limit of ammonia in drinking water, as per the Bureau of Indian Standards, is 0.5 ppm. Ammonia is a colourless gas […]