Use only in well-ventilated areas. Stationary customer site vessels should be operated in accordance with the manufacturer's and BOC's instructions. Do not attempt to repair, adjust or in any other way modify the operation of these vessels. If there is a malfunction or other type of operations problem with the vessel, contact the closest BOC location immediately for assistance. DO NOT allow smoking or open flames in or near any area where liquid hydrogen is handled or used.
Liquid hydrogen is delivered into stationary vacuum jacketed vessels at the customer's location.
Consult manufacturer's instructions. The excessive pressures could result in vessel rupture. 1910-Subpart H. NFPA 50A covers gaseous hydrogen at consumer sites. NFPA 50B covers liquefied hydrogen at consumer sites. Liquid hydrogen should not be stored or used in uninsulated vessels.