According to the  story, a small amount of mercury was discovered earlier in the week while a  janitor's closet was being cleaned out.
The spill was cleaned  up, the area vented and the air was tested and deemed safe and within the  acceptable range, the story stated.
A follow-up check  yesterday found elevated — but still acceptable — levels of vapor in the closet,  prompting the joint decision from the Rhode Island Department of Environmental Management, the Rhode Island Department of  Health and the Rhode Island  Department of Elementary and Secondary Education to close the school, the  story noted.
Students and staff  from Woonsocket Middle School are moving into two new buildings and today would  have been the last day of classes in the current building, the story  added.
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