a. that the working atmosphere does not contain any ignitable concentrations of flammable chemicals, that hazardous amounts of reactive chemicals are not present in the workplace, that no sources of ignition are present that can cause fire or explosion, and that there are no other conditions whereby reactive chemicals can cause hazardous situations; b. that the employees will not be injured should a fire or explosion occur or because of any other hazardous situation that can be caused by reactive chemicals.
