This map displays locations where Barium is known to be present.
Environmental Health WebMaps
Barium
CAS ID #: 007440-39-3
Barium is a silvery-white metal which exists in nature only in ores containing mixtures of elements. It combines with other chemicals such as sulfur or carbon and oxygen to form barium compounds.
Barium compounds are used by the oil and gas industries to make drilling muds. Drilling muds make it easier to drill through rock by keeping the drill bit lubricated. They are also used to make paint, bricks, ceramics, glass, and rubber.
Barium sulfate is sometimes used by doctors to perform medical tests and to take x-rays of the gastrointestinal tract.
Related Resources for Barium
CERCLA Priority List of Hazardous Substance
Prioritization of substances based on a combination of their frequency, toxicity, and potential for human exposure at National Priorities List (NPL) sites.
Minimal Risk Levels (MRLs)
The MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse, non-cancer health effects over a specified duration of exposure. The information in this MRL serves as a screening tool to help public health professionals decide where to look more closely to evaluate possible risk of adverse health effects from human exposure.
National Report on Human Exposure to Environmental Chemicals
Report provides an ongoing assessment of the exposure of the U.S. population to environmental chemicals using biomonitoring.
Public Health Statement
Summary about a hazardous substance taken from Chapter One of its respective ATSDR Toxicological Profile.
Results by Chemical Group
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Fact sheet that answers the most frequently asked questions about a contaminant and its health effects.
ToxGuide
(PDF, 75KB)
Quick reference guide providing information such as chemical and physical properties, sources of exposure, routes of exposure, minimal risk levels, children's health, and health effects for a substance.
Toxicological Profile
Succinctly characterizes the toxicologic and adverse health effects information for a hazardous substance.