The department is authorized to contract for or otherwise agree to the use of personnel of municipal corporations or other agencies or private persons; and the department is further authorized to reimburse such municipal corporations or agencies for the employment of such personnel. Merit system regulations or standards for the employment of personnel may be waived for personnel hired under contract as provided for in this section. The department shall provide, within available appropriations, for the scientific, technical, legal, administrative, and other necessary services and facilities for performing the functions under this chapter.