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).
The use of personal protective and safety equipment (PPE) is a control. measure that is to be used only after a hazard evaluation identifies hazards associated. with a particular job or activity, and it is determined that the hazards cannot be.