Which of the following characteristics would classify a confined space as a permit-required confined space? Select 3 that apply.
A. Is open to the atmosphere with natural ventilation
B. Contains a hazardous level of a chemical like hydrogen sulfide
C. Has less than 19.5% oxygen
D. Has inwardly sloping walls
Answer (1)
A permit-required confined space is defined by characteristics that pose risks to workers, including hazardous chemicals, low oxygen levels, and inwardly sloping walls. These conditions require that a permit be obtained prior to entry. Proper understanding of these factors is essential for working safely in such environments. ;
