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ppt.
abbreviation for
- precipitate.
Example Sentences
Acosta, Davis and other residents like Terry Archer said the Army would provide eight weeks’ worth of bottled water while the filtration systems were tested to ensure they were working properly and meeting the 70 ppt standard.
The EPA had previously advised that levels of these chemicals should not exceed 70 ppt.
“We believe there is no scientific basis for maximum contaminant levels lower than 70 ppt,” the American Chemistry Council said in statement to Scientific American.
Andrews and Naidenko say previous research shows that levels higher than one ppt can increase the risk of conditions such as testicular cancer, delayed mammary gland development, liver tumors, high cholesterol and effects on children’s immune response to vaccinations.
Even when the researchers shifted their analysis to a higher level of 10 ppt, they still found some 18 million to 80 million Americans to be exposed.
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