| 21. | And the death rate climbs steadily along with the number of these fine particles.
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| 22. | Inhaling fine particles in large amounts, from whatever source, can cause many health problems.
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| 23. | Sources of fine particle pollution include diesels, cars, coal-fired power plants and industrial boilers.
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| 24. | In addition to diesel there are fine particles of rubber from the car tires.
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| 25. | Coal-fired power plants are the largest source of so-called " fine particle pollution ."
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| 26. | They said that until now, no state had imposed controls on such fine particles.
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| 27. | For children with asthma, the fine particles emitted by diesel engines can be devastating.
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| 28. | The Bay Area may already meet the new standard on fine particles, she said.
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| 29. | Research indicates that sulfates and very fine particles, only
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| 30. | Only fine particles can be transported to such places.
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