Labor Secretary Hilda Solis has named Jordan Barab, a House Education and Labor Committee staffer, as deputy assistant secretary for the Occupational Health and Safety Administration. Barab, whose appointment was announced April 8, also will be acting head of OSHA, beginning April 13. House committee Chairman George Miller (D-Calif.) said that Barab "will bring a tremendous amount of valuable health and safety experience to an agency that has been neglected for far too long." Barab, senior policy advisor for the committee, has worked for the panel for two years on health and safety matters. He came to the House committee
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.