In order to carry out the purposes of the occupational safety and health laws of the Commonwealth and any such rules, regulations, or standards adopted in pursuance of such laws, the Commissioner, upon representing appropriate credentials to the owner, operator, or agent in charge, is authorized, with the consent of the owner, operator, or agent in charge of such workplace as described in subdivision 1, or with an appropriate order or warrant:
1. To enter without delay and at reasonable times any factory, plant, establishment, construction site, or other area, workplace, or environment where work is performed, including any place where an individual is engaged to perform domestic service, by an employee of an employer; and
2. To inspect, investigate, and take samples during regular working hours and at other reasonable times, and within reasonable limits and in a reasonable manner, any such place of employment and all pertinent conditions, structures, machines, apparatus, devices, equipment, and materials therein, and to question privately any such employer, owner, operator, agent, or employee.