Which of the following actions is mandatory when handling hazardous materials?

Using personal protective equipment is a mandatory action when handling hazardous materials because it is essential for ensuring the safety and health of individuals working with or near such substances. Personal protective equipment (PPE) serves as a barrier between the hazardous materials and the individual, helping to minimize exposure to chemicals, toxic substances, or physical hazards that can arise during the handling process.

PPE may include gloves, goggles, respirators, and protective clothing, each designed to protect specific parts of the body from the potential harm caused by hazardous materials. Regulations dictate that employers must provide appropriate PPE and that workers must be trained in selecting and using it correctly to mitigate risks effectively.

The other choices involve actions that are not compliant with safety protocols. Labeling all materials as non-hazardous can lead to a false sense of security and endanger individuals by not communicating the true nature of the materials. Transporting materials without documentation can result in serious violations of transportation regulations, including lack of accountability and awareness of the materials being moved. Ignoring spill protocols can lead to environmental contamination, safety hazards, and legal repercussions, highlighting the importance of following established safety procedures in hazmat handling.