Vapor intrusion illustration

Basement

Sub-soil

Groundwater

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

Sub-soil

Groundwater

a spill occurs at ground level

Sub-soil

Groundwater

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

seeping in to sub-soil and

groundwater

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

vapors are emitted from the spill

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

vapors are emitted from the spill and rise toward

ground level

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

some vapors stay below basement foundation

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

Not a Not a Complete PathComplete Path

some vapors stay below basement foundation

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

some vapors permeate basement foundation

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint

Complete PathComplete Path

some vapors permeate basement foundation

= common indoor air contaminants present inside the home, such as:

−Smoke

−Cleaning Agents

−Air Fresheners

−Paint