Environmental

A Connecticut home buyer is concerned about radon. The best mitigation approach for elevated radon levels in a Connecticut home is:

ASealing all cracks in walls and floors
BIncreasing ventilation with open windows
CSub-slab depressurization (SSD), which draws radon from beneath the slab and vents it outside✓ Correct
DInstalling a water filtration system

Explanation

Sub-slab depressurization (SSD) is the most effective and commonly used radon mitigation technique. It involves placing a pipe through the slab floor and using a fan to draw radon from below the foundation and vent it outside.

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