Online registration for tours of Hanford's historic B Reactor starts at 1 minute past midnight tonight.
Go to hanford.gov and click on "Hanford Tours" under the "Quick Links."
Registration also will be taken by telephone and in person at the B Reactor Tour Headquarters starting Tuesday. The office is open from 8 a.m. to 4 p.m. Mondays through Thursdays. Call 376-1647. The address is 2000 Logston Blvd., Richland.
A limited number of walk-ons also will be accepted for the approximately 5,000 bus tour seats being offered this year. The free tours are offered at 8 and 11:15 a.m. selected weekdays and Saturdays from April 2 to Sept. 22.
The free tours are open to children 12 and older for the first time this year if they are accompanied by a parent or guardian. Participants do not have to be U.S. citizens.
Openings for cancellations for B Reactor or Hanford tours will be posted at hanford.gov.