Extinguish this type of fire with the press running slowly to keep heat from building up and overheating the next higher print station. Static is especially noticeable during the winter months when the humidity indoors is low. It is important for the press to be grounded to eliminate a buildup of static electricity between the web and press rollers. Solvent liquid and vapor can be ignited by spark or flame. Hand tools should be properly grounded and operated in an area where there are no signs of flammable or gaseous materials.
Metal striking metal can also be a source of sparking.
Individuals must use extreme caution when working with a spark or flame potential on the pressroom floor. Hazardous Materials OSHA regulations require that hazardous materials such as solvents, inks and cleanup solutions be marked with a Hazardous Materials Identification System label. Categories are rated by number from zero to four, indicating the degree of hazard. Signing is color coded to indicate the nature and degree of the potential hazard. Indicates detonation sensitivity of a material on a scale of zero to four, four being extreme.