How are 'noise' and 'air quality' concerns typically addressed in the EIA process?

• A. Through ignoring them.
• B. By using only qualitative descriptions.
• C. By relocating residents.
• D. By modeling or monitoring, setting allowable levels, and including mitigation measures in EMP.

Answer: (D)

In the EIA process, noise and air quality are handled through a structured approach that combines prediction or measurement with clear standards and concrete mitigation, all documented in the Environmental Management Plan. Baseline conditions for air quality and ambient noise are established, then potential project-related changes are predicted using dispersion models for pollutants and acoustic models for sound. These predictions help determine whether impacts are significant. Standards or allowable levels are then set based on national or local guidelines, establishing performance criteria the project must meet. The Environmental Management Plan lays out mitigation measures to prevent or minimize impacts, along with a monitoring plan and responsibilities to ensure compliance. If monitoring shows deviations, adaptive actions can be taken.

This integrated method is preferable because ignoring impacts, relying only on qualitative notes, or resorting to relocation as a routine remedy do not provide a reliable, enforceable framework for protecting air quality and noise. The emphasis on modeling or monitoring, setting limits, and embedding mitigation in the EMP reflects the standard, proactive practice.