14. Environmental monitoring plan (four-year review)

The environmental monitoring plan must take into account all the environments potentially impacted by the site:

• groundwater ;

• surface waters ;

• air (soil air, air in crawl spaces, cellars, buildings);

• but also, where appropriate, subsurface soils, sediments and surrounding vegetation.

The objectives of the monitoring plan are manifold:

• monitor (in addition to general prevention measures) the absence of quality deterioration over time;

• knowledge (over time and in space) to establish the quality of the environment and its evolution;

• understand what is happening or what could happen: direction...