What is a critical first step in managing a chemical spill?

Identifying the chemical involved in a spill is crucial because it informs responders about the specific hazards, risks, and appropriate response measures associated with that substance. Different chemicals have different properties, such as toxicity, flammability, and environmental impacts, which can significantly affect how the situation should be managed. Knowing the chemical allows responders to assess the potential health risks to individuals in the vicinity and determine necessary protective measures. Additionally, identification aids in selecting the right containment and cleanup procedures, ensuring that actions taken are effective and safe.

Other options, while important in the overall response process, are contingent upon proper identification. For instance, evacuation may be necessary depending on the chemical's toxicity, and containment methods are determined based on the chemical's physical and chemical properties. Notification of authorities is also vital for coordination during a spill response, but it typically follows the identification of the chemical, as this information is essential for agencies to respond appropriately.