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Quantifying the Air Pollution Exposure Consequences of - Houston ...

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Toxics<br />

Nitrogen<br />

Oxides<br />

Sulfur Dioxide<br />

23<br />

33<br />

67<br />

0 20 40 60 80 100<br />

77<br />

67<br />

33<br />

Electricity Generation O<strong>the</strong>r Sources<br />

Figure 1. Percentage <strong>of</strong> total US emissions released by fossil-fuel electricity generation<br />

units and o<strong>the</strong>r sources in 1999. (Toxics data source: EPA, 2002; o<strong>the</strong>rs: GAO, 2002)<br />

2

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