What information is represented in the white row of the Hazardous Materials Information System (HMIS)?

The correct answer is personal protection because the white row of the Hazardous Materials Information System (HMIS) specifically indicates the types of personal protective equipment (PPE) that should be used when handling the hazardous material in question. This system is designed to communicate the necessary precautions workers must take to protect themselves from exposure, considering the specific hazards of the material.

Personal protection is critical in hazardous waste operations as it directly relates to the safety and health of the workers. The HMIS uses symbols and colors in this row to provide clear guidance on the appropriate level of protection, ensuring that individuals are properly equipped to handle the hazards effectively.

The other categories, such as health risks, flammability, and reactivity, are represented in different rows of the HMIS. Health risks address the potential effects on health due to exposure, flammability indicates how easily a substance can ignite, and reactivity describes how the substance may react chemically under certain conditions. Each of these elements plays an essential role in assessing the dangers of hazardous materials, but only the white row focuses on the necessary personal protection measures.