In order to carry out the purposes of this chapter, the commissioner of labor and workforce development, upon presenting appropriate credentials to the owner, operator or agent in charge, is authorized to:
(1) Enter without delay and at any reasonable time any factory, plant, establishment, construction site, or other area, workplace or environment where work is performed by an employee of an employer; and
(2) Inspect and investigate during regular working hours and at other reasonable times, and within reasonable limits and in a reasonable manner, the places of employment and all pertinent conditions, processes, structures, machines, apparatus, devices, equipment and materials in the places of employment, and question privately any employer, owner, operator, agent or employee.