Which is a valid type of fuel spill?

• A. Small priming spill
• B. Medium spill
• C. Large-scale leak
• D. Incidental drips

Answer: (A)

During fueling and engine priming, minor releases are expected and handled with specific procedures. A small priming spill describes a tiny amount of fuel that escapes briefly when priming a pump or starting an engine; it’s the level of spill that can be contained on site using standard absorbents, shutting off the source, and cleaning up without escalating to a large-scale response. This category is valid because it reflects a real, manageable release that operators are trained to handle promptly. Larger scenarios, like a medium spill or a large-scale leak, require formal spill response, containment, and possibly shutdown, while incidental drips are typically considered negligible and not treated as a spill requiring the same response. So the small priming spill is the best choice.