Basking Ridge, NJ - MATHESON announced today that it plans to build a new large capacity Air Separation Unit, (ASU), to supply the oxygen, nitrogen and argon in Mesa, Arizona. "This investment will allow MATHESON to better support our current Customers and our recently acquired US AIRWELD distribution business by creating a Southwest ASU network with our existing ASUs in Southern California and New Mexico," stated Senior Vice President Nigel McMullen. The plant is expected to be on stream, ...This story is related to the following:Air Separation Plants