Health
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Lead in water is a health threat
by Hene Kelly
Source of information: EPAToo much lead in the human body can cause damage to the brain, kidneys, nervous system, and red blood cells.
Lead in the water is a serious problem for elementary schools and child development centers. Young children, infants, and pregnant women have the greatest risk, even with short-term exposure. Fetuses appear to be particularly vulnerable. A dose of lead that would have little effect on an adult can have a big effect on a small body. Also, growing children will more rapidly absorb any lead they consume.
A child's mental and physical development can be irreversibly stunted by over-exposure to lead.
Sources of Lead in Water
Lead levels in drinking water are likely to be highest if your school has faucets or fittings of brass, lead pipes, or copper pipes with solder. Lead can also build up if the water often sits dormant in the pipes for several hours.Actions that EPA, SFUSD and UESF Recommend:
Flush pipes before drinking. Teachers and other adults are being asked to help by flushing pipes in their classrooms or in fountains near their classrooms. Anytime the water in a particular faucet has not been used for six hours or longer, "flush" the pipes by running the water until it becomes as cold as it will get. This could take as little as five to thirty seconds if there has been recent heavy water use such as showering or toilet flushing. Otherwise, it could take two minutes or longer.If flushing of pipes is not enough to lower lead levels because the lead level is too dangerous, the SFUSD is providing bottled water for students and staff.
Hene Kelly is UESF's Health and Safety Coordinator.
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