1.   Officials claim the chemical poses no real threat.

2.   Some chemicals pose a significant risk to human health.

3.   He said he believes the chemicals being used pose little danger.

4.   In the announcement, the agency said the chemical might pose an unacceptable risk of cancer in humans.

5.   The chemical poses a problem for law enforcement agents.

6.   The official, Prakash Shah, said the chemicals posed no risk to public health.

7.   Toxic chemicals still pose significant threats.

8.   At least two-thirds of Americans live in areas where toxic chemicals pose an elevated cancer risk, a U.S. Environmental Protection Agency analysis concluded Friday.

9.   But he said overseas markets were becoming more conscious of chemical issues, regardless of whether the chemicals posed a health risk or not.

10.   The company said the chemical did not pose a health threat.