Water that contains high amounts of calcium and/or magnesium is considered hard, and water with low amounts is soft. Water hardness is determined by the level of calcium carbonate in water (in milligrams per liter) [11]: 1  Soft = 0-60 mg CaCO3/L. 2  Moderately hard = 61-120 mg CaCO3/L.  Hard = 121-180 mg CaCO3/L.
She established nursing services in Abu Dhabi. Tierney: Alison Tierney was one of the first nurses to earn a PhD in the United Kingdom. Director of Nursing Research at the University of Edinburgh for 10 years later promoted as a personal chair in nursing research (McEwen & Wills, 2011). She joined Roper and Logan as they began to develop, refine, and publish the Activities of Living (ALs) model.
U.S. Marine Corps. Carol Mutter, Lieutenant General: LtGen Mutter was not only the first woman to obtain the three-star rank of LtGen in the Marine Corps, but also the first woman to hold a three-star rank in the U.S. Armed Forces, achieving that rank 1996. She retired in 1999, having served since 1967.