Hazardous materials must be marked with all of the following, except:
Answers
The material’s name.
The material’s identification number.
The appropriate hazard label.
The phone number of a contact person.
The Correct Answer and Explanation is :
The correct answer is: The phone number of a contact person.
Explanation:
Hazardous materials, whether transported or stored, are subject to stringent labeling and marking requirements to ensure safety. These materials must be easily identifiable in case of emergencies, and proper labeling is a key part of the regulatory standards in many countries, such as those enforced by the Occupational Safety and Health Administration (OSHA) in the U.S., and by international guidelines like the Globally Harmonized System (GHS) for classification and labeling of chemicals.
The essential information that must be included on hazardous material labels generally includes:
- The Material’s Name: This is critical for identifying the specific substance. It helps emergency responders, workers, and others who may handle the material to know exactly what they are dealing with. This information is often listed by the common or chemical name, and it should be clear and specific.
- The Material’s Identification Number: Hazardous materials are assigned a unique identification number, such as the UN number. This number provides quick access to detailed information about the material in emergency response guides, safety data sheets (SDS), or databases used by responders and handlers. For example, the UN number for gasoline is 1203.
- The Appropriate Hazard Label: Hazard symbols, such as those indicating flammability, toxicity, corrosiveness, or environmental hazards, are required to visually communicate the risks associated with the material. These symbols are part of the GHS system, which standardizes hazard communication internationally. The labels help people recognize potential dangers even before they are able to read further details.
- The Phone Number of a Contact Person: While helpful, the phone number of a contact person is not a mandatory requirement on the hazardous materials label itself. However, this information may appear on additional documentation, such as safety data sheets (SDS), which provide in-depth details about the material. In an emergency, responders can contact the designated person for additional information on safe handling or first aid measures.
In summary, while a contact phone number can be valuable, it is not a required component of the labeling system for hazardous materials. The primary elements required by law are the material’s name, identification number, and appropriate hazard labels.