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).
P ost-Polio Syndrome (PPS) is the name given to the group of common new symptoms (fatigue, new weakness and pain) experienced by polio survivors. The definitive symptom is new weakness that is clearly not a result of another non-polio condition.. Polio: The Disease. P oliomyelitis (polio) is a viral illness that begins suddenly with flu-like symptoms of fever, headache, vomiting and/or diarrhea, muscle aching and feeling poorly.. The virus enters the body through the stomach and intestines.