In operations where there are flammable or combustible materials it is axiomatic that all conductive equipment be firmly bonded and grounded. Even though vigilance to such matters may be exercised in a given operation there may be times where details are overlooked or deemed to be of no conse- quence; and, in some cases, these details can have dire conse- quences. This paper sets forth three case histories where proper grounding was not done and an electrostatic ignition resulted.
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