Environmental Engineering FOURTH EDITION

Contents xi

Grab Samples

Stack Samples

Smoke and Opacity

Conclusion

Problems

20 Air Pollution Control

Source Correction

Collection of Pollutants

Treatment

Control of Gaseous Pollutants

Control of Moving Sources

Control of Global Climate Change

Conclusion

Problems

Cooling

21 Air Pollution Law

Air Quality and Common Law

Statutory Law

Moving Sources

Tropospheric Ozone

Acid Rain

Problems of Implementation

Conclusion

Problems

22 Noise Pollution

The Concept of Sound

Sound Pressure Level, Frequency, and Propagation

Sound Level

Measuring Transient Noise

The Acoustic Environment

Health Effects of Noise

The Dollar Cost of Noise

Noise Control

Conclusion

Problems

Appendices

A Conversion Factors

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3 87

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42 1

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44 1

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B Elements of the Periodic Table^451