The Missouri Department of Natural Resources is encouraging Missourians to be aware of what mercury is, as well as the contamination hazards and potential health risks from unsafe handling of the toxic material. People should also know how to prevent mercury spills, what actions to take if a mercury spill occurs and how to safely dispose of mercury-containing devices.
According to a news release, two mercury spills in November highlight the importance of mercury awareness. The two incidents, both in St. Louis area homes left children hospitalized for mercury exposure.
Elemental or metallic mercury, the silver fluid that many have seen in science class, is liquid at room temperature and has no odor. When spilled, some of the mercury will evaporate into the air and can move long distances.
Officials say mercury is toxic when inhaled or absorbed through the skin. Improper clean up easily spreads the mercury and increases exposure risk by dispersing it into the air and onto other surfaces.
Mercury is used in many devices such as thermometers, barometers, switches, thermostats and fluorescent lamps. Improperly storing or mishandling these items can cause dangerous and costly mercury spills.
Mercury exposure particularly affects children less than 12 years old, pregnant women, women who plan to become pregnant and nursing mothers. If mercury exposure is suspected, contact a healthcare provider immediately.
The Missouri Department of Health and Senior Services say short-term exposure to high levels of mercury vapors may cause serious health effects, including nausea, vomiting, diarrhea and lung damage. It can also cause increased blood pressure or heart rate, skin rashes and eye irritation. Symptoms from long-term exposure can develop in just a few weeks and include tremors, decreased hand-eye coordination, memory problems, insomnia and irritability.
If a spill occurs, do not try to clean it up and keep everyone away from the spill area. Immediately remove any potentially contaminated clothing and leave them in the same spill location. Leave the home or building and call the department’s Environmental Emergency Response 24-hour hotline at 573-634-2436 for guidance.
For more information on mercury and finding resources visit, dnr.mo.gov/monitoring/mercury.