In this paper, specijic procedures to minimize potential hazards related to the accumulation of static electricity are addressed. The hazards of concern herein are those arising from the ignition ofmixtures of air andftammable gases, vapors, and dusts. Accordingly, concerns related to process operability, sensitivity or reliability of electronic components, or nuisance effects are not considered. Also, ignition of condensed phase explosives or oxygen enriched systems are not specijically included through many of the principles and conclusions discussed below will apply.