Effective Sept. 15, the contract for compressed gas on the S&T campus will change from Oz Arc Gas to a UM-Systemwide contract with AirGas. The conversion will take place over a period of a few weeks. AirGas will meet with each department on campus that currently uses Oz Arc Gas products. The move will save departments money in both gas prices and monthly rental fees. For more information go online to procurement.mst.edu.