NASA picked three companies to provide liquid nitrogen (LN2) and liquid oxygen (LOX) to six NASA facilities. Linde LLC of Murray Hill, N.J., will supply 256,500 tons of LN2 and 173,000 tons of LOX to Stennis Space Center in Mississippi, Michoud Assembly Facility in New Orleans and Goddard Space Flight Center in Maryland. The three-year base period has two one-year options with a maximum value of $28.8 million. The contract begins July 1. LN2 is used for pneumatic actuation, purging, cooling and pressurization of equipment and LOX is an oxidizer in cryogenic rocket engines. Companies chosen to supply other NASA facilities are Air Products and Chemicals of Allentown, Pa., and Air Liquide Industrial of Houston. (Source: NASA, 05/29/09)
