21.   He said his estimate is based on border patrol surveillance reports, taped conversations between Yoon and a confidential informant.

22.   His estimate is based on how long it took to truck in building material when the towers were built.

23.   His estimates are based on comparing how members of pairs of fraternal and identical twins rate their sense of well-being.

24.   However, that estimate is based on a comparison with standard long-distance rates, which are usually higher than the rates available in various monthly plans from long-distance providers.

25.   In nearly every instance, Symington argued that his gilt-edged estimates were based on what the projects would be worth IN THE LONG TERM.

26.   It based the estimate on analyses of the San Andreas, Hayward, and Rodgers Creek faults.

27.   Its estimates are based on a report by oil consultant John S. Herold of Connecticut, which made the valuation based on cash flow forecasts.

28.   Louargand said district estimates were based on site visits and drawings of every school.

29.   Moniz based her estimate on the price paid when Rio de Janeiro utility Light Servicos de Eletricidade SA was sold last May.

30.   Nolte said he was basing his estimates on the number of applications that the city had already received, compared with the number that could be accommodated.