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Open-air stores also release radon at a level potentially hazardous to workers. [3] Radon is a noble gas that is heavier than air and thus tends to accumulate in poorly ventilated underground spaces like mines or cellars. Naturally occurring radon is considered the second most common cause of lung cancer after smoking. [15]
The river water was contaminated with toxic metals including arsenic, copper, barium, cadmium, chromium, lead, mercury, nickel, and thallium. [2] Cleanup costs may exceed $1.2 billion. [3] A toxic heavy metal is a common but misleading term for a metal-like element noted for its potential toxicity. [4]
Calcium deposits, primarily composed of calcium carbonate (CaCO 3), react with weak acids to form calcium salts that are soluble in water. The general reaction can be represented as follows: CaCO 3 + 2H + → Ca + 2 + CO 2 + H 2 O. Here, H + represents the hydrogen ions provided by the acid
An FDA inspection of a Tom’s of Maine manufacturing facility led to the discovery of “significant violations,” including bacteria in water used to make toothpaste and a black “mold-like ...
Products sold as tabletop firepits, firepots, miniature fireplaces or portable fires for indoor use are "extremely dangerous," consumer agency warns. Liquid-burning firepits behind 2 deaths ...
Waste water treatment unit. Calcium nitrate is used in waste water pre-conditioning for odour emission prevention. The waste water pre-conditioning is based on establishing an anoxic biology in the waste water system. In the presence of nitrate, the metabolism for sulfates stops, thus preventing formation of hydrogen sulfide. [5]
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Worthington Enterprises, Inc. is a global diversified metals manufacturing company based in Columbus, Ohio.It is a steel processor and manufacturer of pressure vessels, such as propane, oxygen and helium tanks, hand torches, refrigerant and industrial cylinders, camping cylinders, exploration, recovery and production products for global energy markets; water system tanks for storage, treatment ...