Hydrosphere 3 : This is the broad name for the water above, on or in the earth's crust, including oceans, seas, lakes, ground water, and atmospheric moisture
Heriot-Watt University, School of Life Sciences, Some Terms Used In Toxicology and Chemical Safety, Edinburgh, UK 1992. http://www.who.int/ipcs/publications/methods/harmo nization/en/compilation_nov2001.pdf, (Tox and Chem Sfty - Amer) {85}