The new state standard went into effect just after districts in the county performed their own test based of the EPA's action level of 20 parts per billion. The new state requirements made the schools test at the new, lower threshold of 15 parts per billion, lohud.com reported.
In most of the cases, the fixtures have either been flushed, replaced or taken out of use permanently, lohud.com said.
Click here to read the lohud.com article.
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