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In this splendid chart the full impact of the air pollution problem is dramatically depicted. Included are an atmospheric profile panel giving facts about the atmosphere under normal conditions at levels from ground to 100,000 feet and a section on pollutant dispersions as indicators of atmospheric conditions showing typical smoke dispersal patterns. A four-part table shows the specific composition of clean air at sea level, the sizes of various types of airborne impurities, the concentration of major pollutants and the source and volume description of the emissions of major pollutants nationwide. The central illustration depicts the major sources of air pollution. A section of the chart is devoted to the major pollutants with full color photographs showing the effects on green foliage. A section on the effects of air pollution on the human body is also included. FREE SHIPPING in U.S. Outside U.S. contact us for shipping charges.
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