Monthly Archives: September 2017

Water Hardness   Source of Water Hardness: The definition of water hardness is the amount of dissolved calcium and magnesium in the water. Hard water is high in dissolved minerals, both calcium...

Selenium   Source of Selenium: Selenium is a natural mineral found in the earth’s crust. Selenium also comes from natural run-off, industrial wastewater from copper and lead refinerie...

Source of Sulfate: Sulfate (SO4) occurs naturally in most groundwater sources. As water moves through soil and rock formations that contain sulfate minerals, some of the sulfate dissolves into the g...

Source of Ammonia: Ammonia (and ammonium), are naturally occurring in nature and are formed during decomposition of proteins, manure wastes, urine, and from other nitrogen-containing compounds. Ammo...

Source of Carbon Tetrachloride: Carbon tetrachloride is a man-made chemical and doesn’t occur naturally in the environment. In the past, it has been used in refrigeration fluid and propellan...

Chromium in Water Source of Chromium: Chromium naturally occurs in rocks, soil, and in volcanic dust. It comes in several different forms, including trivalent chromium and hexavalent chromium. He...