WJLA: 26 Mont Co. Schools with elevated levels of cancer causing gas

SILVER SPRING, Md. (WUSA9) -- "I was shocked to get the letter," said one mom dropping off her Kindergartner at Oakland Terrace Elementary School Tuesday.
She says she trusts the administration but has questions about elevated levels of radon found at the school, specifically is my daughter's classroom affected? "I would like to know but I would assume if it were dangerous they would not be in school today or have an alternative," she reasoned.
Twenty-six elementary schools in Montgomery County have elevated but not dangerous levels of radon - a naturally occurring carcinogen from decaying soil that could cause cancer with high levels. The gas is colorless and odorless. Three out of the 53 classrooms at Oakland Terrace are affected including two kindergarten classes.
"I'm not an expert in this field," said another mom of a first grader, "they have the right people and I trust that."
According to the school department, there was a lapse in routine testing for radon and when levels were elevated a second round of testing was never performed - but now will. A letter was sent home Tuesday but we learned did not specify which classrooms and did not make it to every parent...

http://www.wusa9.com/story/news/2015/12/02/montgomery-county--schools-radon-elevated-levels-cancer-causing-gas/76661734/