What characteristic of XRF makes it ideal for field work in lead inspection?

The characteristic that makes X-ray fluorescence (XRF) ideal for fieldwork in lead inspection is its lightweight and portable nature. These features allow inspectors to easily transport the equipment to various locations, including residential, commercial, or outdoor environments, without significant logistical challenges. Portability is essential in lead inspection, as it enables the inspector to conduct on-site testing quickly and efficiently, minimizing disruption and allowing for immediate results.

Having equipment that is easily moved allows inspectors to gather data from multiple surfaces and materials within a short timeframe, which is crucial for timely assessments of lead hazards. By not requiring extensive setup or installation, XRF can be deployed swiftly to assess lead levels, making it a practical tool for inspectors who often work in varying environments.

The other characteristics mentioned, such as being useful only indoors or requiring complex setup, do not align with the practical use of XRF in fieldwork. In fact, XRF is designed to be versatile and user-friendly for both indoor and outdoor applications, and it simplifies the inspection process rather than complicating it.