Arsenic is a chemical element with symbol As and atomic number 33. Arsenic
occurs in many minerals, usually in conjunction with sulfur and metals, and also
Context - Arsenic is a poisonous substance, which is released both from certain
human activities and naturally from the Earth's crust. Humans may be exposed to
Arsenic is a naturally occurring element widely distributed in the earth's crust. In
the environment, arsenic is combined with oxygen, chlorine, and sulfur to form ...
Mar 12, 2015 ... Exposure to higher than average levels of arsenic occurs mostly in the workplace
, near hazardous waste sites, or in areas with high natural ...
WHO fact sheet on arsenic provides key facts and information on sources of
exposure, health effects, WHO response.
Arsenic. Arsenic is known to cause cancer, as well as many other serious health
problems. Here we review the hazards of arsenic exposure and ways people ...
chemical properties, health and environmental effects of arsenic.
Arsenic, a naturally occurring element, is found throughout the environment; for
most people, food is the major source of exposure. Acute (short-term) high-level ...
In 2001, EPA adopted a lower standard for arsenic in drinking water that applies
to both community water systems and non-transient non-community water ...
Apr 1, 2016 ... Learn about arsenic, a metal present in the environment as a naturally occurring
substance or as a result of contamination from human activity.