What equipment should the 8th arriving engine company check-in with upon arrival?

The correct choice is checking in with the Support Strip upon arrival, particularly for the 8th arriving engine company. The Support Strip is crucial in maintaining an organized incident command structure and ensuring efficient resource deployment. It serves as a designated area for staging additional resources, facilitating smooth operations as more units arrive at the scene. By reporting to the Support Strip, the 8th arriving engine company can receive updated information about the incident status, understand current priorities, and position themselves strategically to support ongoing operations.

Other equipment, like medical equipment, fire hoses, and ventilation equipment, play important roles in firefighting and emergency response. However, the key task when arriving at an incident scene for a supporting unit is to check in at the Support Strip, ensuring proper coordination and management of resources rather than immediately deploying or utilizing specific equipment without situational context.