It is the duty of the Department of Labor to enforce the provisions of this Act. The Department has the power to conduct investigations in connection with the administration and enforcement of this Act, and any investigator with the Department is authorized to visit and inspect, at all reasonable times, any places covered by this Act and is authorized to inspect, at all reasonable times, documents related to the determination of whether a violation of the Act exists. The Department may compel, by subpoena, the attendance and testimony of witnesses and the production of books, payrolls, records, papers, and other evidence in any investigation and may administer oaths to witnesses. The Department of Labor, as represented by the Attorney General, is empowered to: (i) issue and cause to be served on any person or entity an order to cease and desist from further violation of this Act, (ii) take affirmative or other action as deemed reasonable to eliminate the effect of the violation, (iii) collect any civil penalties assessed by the Department pursuant to Section 6 of this Act, and (iv) sue for injunctive relief against the awarding of any contract or the continuation of any work under any contract for public works or improvements or for the clean-up and on-site disposal of hazardous waste at a time when the provisions of this Act are not being met.