Chapter 34: Problem 5

How will you monitor the presence of particulate matter in air? Discuss their control methods.

Short Answer

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Monitoring of particulate matter in air can be done using devices based on light scattering, light absorption, or beta attenuation principles, and laboratory analyses of collected samples. Control methods include source control, installing proper ventilation or air cleaners, usage of masks,and government rules and regulations. These measures are crucial for the protection of human health and the environment.

Step by step solution

Describing Monitoring Methods for Particulate Matter in Air

Numerous techniques can be used to monitor particulate matter in the air. One common method is to use a mass concentration monitoring device, which measures the concentration of particles in the air. Such devices utilize the principles of light scattering, light absorption, or beta attenuation. Some devices can even provide real-time data and differentiate particle sizes. Sample collection followed by laboratory analysis is also a common method. The collected samples can be observed under a microscope for further qualitative analysis.

Discussing Control Measures

There are several ways to control the presence of particulate matter. Source control is the most effective method, which involves reducing the particle emissions at the source itself, such as industrial exhausts or vehicle emissions. Engineering controls like installing proper ventilation, air cleaners or using dust collectors can also help. At an individual level, using masks can help prevent inhalation of these particulates. Government regulations and policies play a crucial role in setting standards and enforcing them.

Highlighting the Importance

Monitoring and controlling particulate matter is very important because high levels can have detrimental effects on human health, leading to respiratory diseases and other ailments. It also impacts the environment negatively, contributing to visibility reduction and soil and water pollution. Therefore, understanding the monitoring and control of particulate matter is crucial.

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How will you monitor the presence of particulate matter in air? Discuss their control methods.

Short Answer

Step by step solution

Describing Monitoring Methods for Particulate Matter in Air

Discussing Control Measures

Highlighting the Importance

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