Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 651.120

(a) Enter any factory, mill, office, workshop, or public or private works, at any reasonable time, for the purpose of gathering facts such as are contemplated by ORS 279C.850, 652.330, 653.045 and 659A.835.

(b) Examine into the methods of protection from danger to employees, and the sanitary conditions in and around such buildings and places, and make a record thereof.