1.   Key senate aides said that they may incorporate the bill into a securities deregulation measure that could be introduced as soon as Friday.

2.   Senate aides acknowledge that Likud politicians urged Dole to introduce the legislation.

3.   Senate aides in both parties said the measure, sponsored by Senator Edward M. Kennedy, has a strong chance of passing.

4.   Senate aides on both sides of the issue said the amendment was drafted with the help of lobbyists for the chemical industry.

5.   Senate aides disputed that statement.

6.   Senate aides negotiated the timing of votes.

7.   Senate aides said House prosecutors and White House lawyers will interview each witnesses in private as part of a traditional fact-finding effort.

8.   Senate aides said the one-page letter was sent late Friday to Bush, who was traveling from Michigan to his home in Austin.

9.   Senate aides say that the bill may also place limits on certain forms of executive compensation and insurance coverage.

10.   Senate Republican aides said they did not know if the bill would pre-empt state laws that give patients more extensive appeal rights.