Students will not be returning to Johnson Junior High for a third day as Environmental Protection Agency officials continue to investigate a mercury contamination on campus.
There are still some areas in the school -- specifically the gym -- where crews are making sure all traces of mercury are removed. Crews also checked dozens of nearby homes over the weekend.
Cleanup crews were at the school until 9 p.m. Sunday testing for traces of mercury. Clark County School District officials revealed as much as a quarter of a cup of the substance was found on the campus.
A teacher discovered some students playing with the mercury last Wednesday during a school assembly, but district officials say it was likely on the campus prior to that day.
This resulted in a lockdown where students and staff were not allowed to leave the school until early Thursday morning after they had been screened individually by EPA investigators... Read More