11.   Within a few weeks, regulators hope to allow burning of polluted soils.

12.   Within a few weeks, regulators hope to allow it to start burning the polluted soils of Times Beach.

13.   It could also provide for magnetically levitated rail transit systems and even systems to remove contaminants from polluted soil, the scientists said Tuesday.

14.   Lead enters the human body by breathing or through contaminated vegetables grown in polluted soil.