The answer to a 'fumigation problem' is that there are several common causes, symptoms, and solutions to consider. Fumigation issues can arise from improper application, pests that have developed resistance, or environmental factors like temperature and humidity.
Some common symptoms of a fumigation problem include lingering odors, continued pest activity, or health issues for occupants. Solutions may involve re-treating the area, adjusting the fumigation method, or calling in a professional pest control expert. It's generally best to call a professional if the problem persists or you're unsure of the cause.