The New York City Department of Education said Friday that 8% of samples taken from the city schools’ potential drinking water sources had lead levels over the federal action level of 15 parts per billion.
WSJ.com US News, Wall Street Journal
Fri, 04/28/2017 - 1:33pm
The New York City Department of Education said Friday that 8% of samples taken from the city schools’ potential drinking water sources had lead levels over the federal action level of 15 parts per billion.