THEP aims to keep dust down during soil removal and replacement, and uses several methods to manage this, including:

• Homeowners will be asked to moisten their soil daily in the week prior to digging. Moist soils create less dust.
• Contractors will keep soils damp by sprinkling during digging and covering truck loads with tarps where possible.
• Residents are advised to keep their windows and doors closed during the soil management process to minimize indoor dust.

THEP monitoring of airborne dust during soil management activities in Trail has shown low concentrations of metals.