Guidelines for drinking-water quality, 3rd edition: 2nd addendum to Volume 1

This second addendum further updates the third edition. It includes more guidance on household water management, rainwater harvesting, vended water, temporary water supplies, and pesticides used for vector control in drinking water sources. It also includes a series of new microbial and chemical fact sheets. Moreover, "expanded" fact sheets are included for key chemical risks such as arsenic, fluoride and nitrate/nitrite.