CASPER, Wyo. (AP) — Contractors are set to install a mitigation system at a school in the small town of Midwest that has been closed since May because of a gas leak at a nearby oil well.

The Casper Star-Tribune reports (https://goo.gl/A4q2F9 ) workers are expected to begin installing the system at Midwest School at the end of the month to take air from beneath the school and pump it into the atmosphere. Air monitoring stations also will be installed throughout the building.

FDL Energy, the company that operates the Salt Creek Oil Field surrounding Midwest, is paying for the system.

Since the school closed, about 150 students and their teachers have been bused to other schools in Casper about 40 miles away.

The mitigation system is expected to be in place by mid-April, and the school is expected to reopen in the fall.

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Information from: Casper (Wyo.) Star-Tribune, http://www.trib.com