In the event of spilling a hazardous substance, what is the appropriate first step?

Following the instructions on the safety data sheet is the appropriate first step when dealing with a spill of a hazardous substance. The safety data sheet (SDS) contains crucial information regarding the nature of the chemical, including its hazards, emergency procedures, and the proper methods for cleanup and personal protection. This information is vital to ensure the safety of both the individual addressing the spill and others in the vicinity.

By consulting the SDS first, one can determine the specific actions that should be taken based on the properties of the spilled substance. This includes understanding whether the area needs to be evacuated, what protective gear is necessary, and the recommended cleanup procedures. Taking this step ensures that actions taken are informed, safe, and effective, minimizing the risk of injury or further contamination.

Evacuating the area may be necessary depending on the substance involved, but this action should follow the guidance provided in the SDS. Starting to clean immediately without understanding the risks associated with the substance can lead to exposure or an escalation of the hazard. Waiting for assistance without any action also poses risks, as it may allow the spill to spread or create unsafe conditions for others. Thus, consulting the safety data sheet first is the best course of action in such situations.