2020 indoor air pollution - mrs. gamzon's course …...2020 indoor air pollution author allison...

Indoor Air Pollution

Cap And Trade!

Have They Helped?

What Determines How Bad They Are?Health Effects Amount of exposure

Length of Exposure

Sometimes the worst hazard is not the one that has the most severe health effects!

Even though we have great outdoor air quality in CT, we spend a lot of time indoors!

What Do We Need To Know About Indoor Air Pollution?

What they are?

Where they come from?

How do they affect us?

Let’s Find Out By Completing Activity 6!

Mistake in the ranking —> Add 2 more lines!

Which Indoor Air Pollutant is the worst?

It is odorless, colorless and deadly!

Which Indoor Air Pollutant is the least concerning?

Nitrogen Dioxide Biological Contaminants

Radon Tobacco Smoke

Biological Contaminants

In general, this pollutant is visible and avoidable.

Mold can be toxic!

Needs moisture to grow!Unknown leaks can lead to house

damage and health problems.

Radon

Radon is a naturally occurring radioactive gas that can cause lung cancer.

It is colorless and odorless!

Radon is the result of the natural nuclear reaction of

uranium and thorium that is present in soil and rocks.

Granite!

Radon is a heavy gas so it tends to settle in basements and lower levels of buildings.

RadonRadon testing can be performed to see if

the gas is present.

EPA recommends testing all homes

below the third floor.

If levels are high, a venting system with fan is installed to

remove the radon from the home.

New homes built to prevent radon from entering!

How Did You Do?

CO

CO CO

CON

N N PVOCsVOCs

VOCs VOCs

VOCs

R BC

BC

BCA F L

E

BC

N

What Did We Learn?