India, April 2 -- The Government of India has issued a release:
Children face significantly higher cumulative non-carcinogenic risk than adults when exposed to trace metal contamination in river systems, according to a new study carried out with water samples from the Betwa-Yamuna confluence in Bundelkhand in Uttar Pradesh.
Traditionally, scientists test water, calculate an average contamination level, and compare it to safety limits. However, this system of investigation has its limitations as the risk can vary with the level of exposure to the risk and the people who are affected.
An earlier study last year had demonstrated that surficial sediments of the Ganga plain act as major sinks of contamination and secondary sources of toxic me...