Section 147A.41 - Person in charge of fumigation; flammable fumigants(a) The person in charge of fumigation shall ensure that: (1) Before the space that is to be fumigated is sealed, it is thoroughly cleaned, and all refuse, oily waste, and other combustible material is removed;(2) Before fumigation, all fire fighting equipment, including sprinklers and fire pumps, is in operating condition; and(3) Before and during fumigation, electrical circuits that are in the space that is fumigated are de-energized.