Safety and health inspectors and hygienists of the Department of Labor (hereinafter referred to as "D.O.L. inspector") are authorized, for the following purposes, to enter without delay and at reasonable times any building, institution, facility, construction site, establishment or other area, workplace or environment where work is performed by a public employee:
(a) to inspect and investigate during regular working hours, and at other reasonable times and within reasonable limits and in a reasonable manner, any such place of public employment, and all pertinent conditions, structures, machines, apparatus, devices, equipment and materials therein;(b) to question privately any employer or employee; and(c) to review records required by Labor Law, section 27-a, and the regulations promulgated thereunder, and other records which are directly related to the purpose of the inspection.N.Y. Comp. Codes R. & Regs. Tit. 12 § 802.2