Protection Against Ignitions Arisin g Out of Static, Lightning, and Stray Currents Presents the current state of knowledge and technology in the fields of static electricity, and stray currents applic able to the preven tion of hydrocarbon ignition in the petroleum industry and is based on both scientific research and practical experience. The principles discussed in this recommended practice are applicable to other operations where ig nitable liquids and gases are handled. Their use should lead to improved safety practices and evaluations of existing installa tions and procedures