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