Chemical Safety and Hazard Investigation Board

Chemical Safety and Hazard Investigation Board salaries and expenses For necessary expenses in carrying out activities pursuant to section 112(r)(6) of the Clean Air Act, including hire of passenger vehicles, and for services authorized by 5 U.S.C. 3109, but at rates for individuals not to exceed the per diem equivalent to the maximum rate payable for senior level positions under 5 U.S.C. 5376, $8,000,000: Provided, That the Chemical Safety and Hazard Investigation Board shall have not more than three career Senior Executive Service positions.