1.   Federal officials have already said that they will destroy hundreds of private vehicles that were recovered from ground zero and were contaminated enough to show high asbestos levels.

2.   Industry often argued that there was insufficient evidence for adverse health effects and cited the cost and feasibility of trying to reduce asbestos levels in their plants.

3.   Tests determined that several of them had unsafe asbestos levels, and they were decontaminated, the officials said.

4.   Watson acknowledges the difficulty of linking the asbestos levels to a risk assessment.

5.   What Grace failed to report to its customers, though, were the tests that had found significantly higher asbestos levels.

6.   All five products with higher asbestos levels were straight vermiculite, which is often mixed with soil by consumers for lawn and garden uses.

7.   No hazardous substances had been found in the air except some dust with slightly elevated asbestos levels, the EPA said.

8.   Tests have at times shown asbestos levels around the site at above the federal limits for indoor spaces.

9.   University officials are working with the U.S. Environmental Protection Agency to develop a testing plan to find out whether asbestos levels in the air inside the Coliseum are dangerous.