Welcome To Whitehall Township Whitehall Township is located in the center of the Lehigh Valley. The Township is one hour north of Philadelphia and an hour and half from New York City.
SALINITY OVERVIEW Salinity is the concentration of dissolved salts in water, usually expressed in parts per thousand (ppt). Objects float higher in salt water than fresh water because salt water is denser (heavier per unit of volume).
A-Salt on salinity. Salinity is a huge environmental problem in Australia. Dryland salinity, which is rising salt that damages soil, plants and buildings, is hard to comprehend and harder still to stop. Approximately 5.7 million hectares are at risk of, or affected by, dryland salinity.