21.   U.S. assessment has been based on interviews with defectors, reports from international organizations that have toured the plants and video footage from an American television news crew.

22.   Yet he added that his cautiously optimistic assessment was based on an assumption that the recent bailout efforts would succeed in steadying the Asian economies.

23.   A spokeswoman for Nassau County Executive Thomas Gulotta said the county rejects the notion that assessments are based on race.

24.   Authorities say early signs point to an accident, basing their assessment partly on communications heard on the cockpit voice recorder.

25.   Authorities said early signs pointed to an accident, basing their assessment partly on communications heard on the cockpit voice recorder.

26.   But authorities said early signs pointed to an accident, basing their assessment partially on communications heard on the cockpit voice recorder.

27.   He explained that his assessment was based on a discussion on Iraq held by the council behind closed doors Friday afternoon.

28.   She said that assessment was based on consultations this past week between special U.S. envoy Stephen Solarz and Cambodian and Southeast Asian officials.

29.   The assessment is based in part on intelligence interceptions of phone calls, a U.S. official said Tuesday.

30.   The assessment was based on a review of two recent friendly matches in Daegu and Incheon that involved South Korea, Costa Rica and China.