118 STAT. 2173 PUBLIC LAW 108–375—OCT. 28, 2004 disciplines such as geology, hydrology, health physics, environ mental engineering, probability risk analysis, mining engineering, and radiation chemistry. The disciplines rep resented in the staff shall change as may be necessary to meet changed needs in carrying out the contract for expertise in any certain scientific or engineering discipline. Scientists and engineers employed under the contract shall have qualifica tions and experience equivalent to the qualifications and experi ence required for scientists and engineers employed by the Federal Government in grades GS–13 through GS–15. (3) Scientists and engineers employed under the contract shall have an appropriate support staff. (4) The Director and Deputy Director shall each be appointed for a term of 5 years, subject to contract renewal, and may be removed only for misconduct or incompetence. The staff shall be appointed for such terms as the Director considers appropriate. (5) The rates of pay of professional staff and the procedures for increasing the rates of pay of professional staff shall be equivalent to those rates and procedures provided for the Gen eral Schedule pay system under chapter 53 of title 5, United States Code. (6) The results of reviews and evaluations carried out under the contract shall be published. (c) ADMINISTRATION.—The contractor shall establish general policies and guidelines to be used by the Director in carrying out the work under the contract. SEC. 3146. NATIONAL ACADEMY OF SCIENCES STUDY ON MANAGEMENT BY DEPARTMENT OF ENERGY OF CERTAIN RADIOACTIVE WASTE STREAMS. (a) STUDY REQUIRED.—The Secretary of Energy shall, as soon as practicable, enter into an arrangement with the National Research Council of the National Academy of Sciences to carry out a study of the plans of the Department of Energy to manage those waste streams specified in subsection (b) that— (1) exceed the concentration limits for Class C low level waste as set out in section 61.55 of title 10, Code of Federal Regulations; and (2) the Department plans to dispose of on the sites specified in subsection (b)(3) rather than in a repository for spent nuclear fuel and high level waste. (b) COVERED WASTE STREAMS.—The waste streams referred to in subsection (a) are the streams of waste, from reprocessed spent nuclear fuel, that— (1) exceed the concentration limits for Class C low level waste as set out in section 61.55 of title 10, Code of Federal Regulations; (2) the Department does not plan for disposal in a reposi tory for spent nuclear fuel and high level waste; and (3) are stored in tanks at the following sites: (A) The Savannah River Site, South Carolina. (B) The Idaho National Engineering Laboratory, Idaho. (C) The Hanford Reservation, Washington. (c) MATTERS INCLUDED.—The study required by subsection (a) shall evaluate—
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