ABSTRACT

Measured flammability________percent of LEL=LFL. Person performing test_________________________ (c) Acceptable toxicity levels are those listed in the approved entry

procedure. Make and model of toxicity testers_______________Calibration date___ Person performing test______________________________ (d) Ventilation: Powered fresh air ventilation is functioning properly___ (e) Temperature: There is safe working temperature in the confined

space___ (f) Exhaust air is directed away from work areas___ (g) Hot work permit is required for open flame torches, electric heater, arc,

or flame welders, flame, or spark-producing devices.