(a) The department is authorized to make such inspections, conduct such tests or sampling, or examine books, papers and records pertinent to any matter under investigation pursuant to this act as it deems necessary to determine compliance with this act and for this purpose, the duly authorized agents and employees of the department are authorized at all reasonable times to enter and examine any property, facility, operation or activity.

(b) The owner, operator or other person in charge of such property, facility, operation or activity, upon presentation of proper identification and purpose for inspection by the agents or employees of the department, shall give such agents and employees free and unrestricted entry and access, and upon refusal to grant such entry or access, the agent or employee may obtain a search warrant or other suitable order authorizing such entry and inspection. It shall be sufficient probable cause to issue a search warrant authorizing such examination and inspection if there is probable cause to believe that the object of the investigation is subject to regulation under this act, and access, examination or inspection is necessary to enforce the provisions of this act.

(c) Repealed. Act 1980, Oct. 5, P.L. 693, No. 142, § 332, effective in 60 days.