This part of ISO 16750 applies to electrical and electronical systems/components for road vehicles. This part of ISO 16750 describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the road vehicle. This part of ISO 16750 describes chemical loads. It is not designed to evaluate whether an electrical/electronic system/component is suitable for performing during continuous contact with an agent, such as a fuel pump immersed continuously in fuel. NOTE Conditions and testing for a continuous contact can be determined from other standards or agreed upon between customer and supplier.