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[Artical Suimmary] Is your well water safe?
[Article Contect]
Well Drinking Water a Danger to Infants
High nitrate levels in drinking water pose a risk to infants by casuing a condition known as “blue baby" also know as methemologlobinem. According to the American Academy of Pediatrics, an estimated 15 million families drink water from private, unregulated wells. 2 million families drink from wells that fail to meet federal drinking-water standards for nitrate.
Perchlorate Found in Drinking Water - Debate Gets More Heated
By ERICA WERNER, Associated Press Writer
WASHINGTON - The debate about perchlorate contamination in drinking water is getting more heated as environmentalists object to a report claiming the widespread toxin is far less dangerous than was thought.
A National Academy of Sciences (news - web sites) panel said Monday that perchlorate, a toxic chemical used in rocket fuel and explosives, is safe for consumption at levels 20 times the standard being considered by the Environmental Protection Agency (news - web sites).
The study is expected to influence the EPA as it develops its first national standard for perchlorate in drinking water. But environmentalists contended such a high standard could endanger children's health while letting defense contractors off the hook for cleanup costs.
"Wherever this standard is applied, most perchlorate contamination sites will be wiped off the map," said Lenny Siegel, director of the Center for Public Environmental Oversight in Mountain View, Calif. "Millions of children and pregnant women will continue to be guinea pigs in the great perchlorate exposure experiment."
The study comes after years of disagreement over how dangerous it is for people to drink water tainted with perchlorate, a pervasive leftover of Cold War defense manufacturing that has been found in drinking water in 35 states. The chemical, which leaches easily into groundwater from defense and manufacturing sites, can inhibit thyroid function and is considered particularly dangerous to children.
While the chemical also is found in nature, the panel said its presence in the environment primarily comes from the manufacture and use of rocket fuels as well as explosives and fireworks.
The NAS panel recommended a level for safe human consumption that translates to approximately 20 parts per billion in drinking water. Two years ago, the EPA issued a preliminary recommendation of 1 part per billion.
"The committee disagrees with EPA's conclusion and thinks that perchlorate exposure is unlikely to lead to thyroid tumors in humans," the panel said in a statement accompanying its report.
The academy study was ordered by the Bush a
