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Air Pollution and Suspended Particulate Matter (SPM)

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Air Pollution and Suspended Particulate Matter (SPM)

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Questions and Answers

What is Suspended Particulate Matter (SPM)?

Particles with a fixed composition containing only one chemical

Solid particles and liquid droplets that remain suspended in the air for long periods (correct)

Particles larger than 10 micro meters in diameter

Particles that blend into air in a homogeneous manner

How does the Environmental Protection Agency (EPA) classify particles based on their diameters?

Light and heavy

Fine (PM-10) and ultrafine (PM-2.5) (correct)

Visible and invisible

Large and small

What can be converted to particulates according to the text?

Methane and ethane

Carbon dioxide and water vapor

Oxygen and nitrogen

SO2 and NOx (correct)

Which of the following is mentioned as a man-made source of Suspended Particulate Matter (SPM)?

Diesel motor vehicles Signup and view all the answers

What are some natural sources of particulate matter mentioned in the text?

Dust, wildfires, pollen, sea salt Signup and view all the answers

What is the composition of particulate matter according to the text?

It has no fixed composition and may contain various chemicals and pollutants Signup and view all the answers

What can workers develop from chronic exposure to silica dust?

Silicosis Signup and view all the answers

What disease can coal miners develop from coal dust?

Black-lung disease Signup and view all the answers

What can textile workers develop from cotton dust?

Brown-lung disease Signup and view all the answers

What can workers inhaling airborne asbestos develop?

Asbestosis Signup and view all the answers

What can toxic particulates of chemicals such as lead and cadmium cause?

All of the above Signup and view all the answers

Apart from causing damage to the lungs, what else can particulates do?