In treated areas, what additional measure is often recommended for effectiveness?

Regular inspections are a crucial additional measure recommended in treated areas to ensure ongoing effectiveness in managing wood-destroying pests. This practice allows for the early detection of any signs of pest activity or deterioration of the treatment's effectiveness. Regular inspections can identify potential issues, such as new infestations or environmental changes that may affect the integrity of existing treatments. They also provide an opportunity to assess the condition of treated elements and to make necessary adjustments or reapplications of treatments when required, fostering a proactive approach to pest management and ensuring the long-term health of structures.

Other options like soil replacement, additional chemicals, and routine sealing do not encompass the same ongoing vigilance and adaptability that inspections provide, making regular inspections a more comprehensive solution for maintaining effectiveness in pest control measures.