Guidelines for Drinking-water Quality THIRD EDITION INCORPORATING THE FIRST AND SECOND ADDENDA Volume 1 Recommendations Geneva 2008 WHO Library Cataloguing-in-Publication Data Guidelines for drinking-water quality [electronic resource]: incorporating 1st and 2nd addenda, Vol.1, Recommendations. – 3rd ed. 1. Potable water – standards. 2. Water – standards. 3. Water quality – standards. 4. Guideline