1926.20 General Safety and Health Provisions
(b) Accident prevention responsibilities
(1) It shall be the responsibility of the employer to initiate and maintain such programs as may ne necessary to comply with this part.
(2) Such programs [as may be necessary to comply with this part] shall provide for frequent and regular inspections of the job sites, materials, and equipment to be made by competent persons [capable of identifying existing and predictable hazards in the surrounding or working conditions which are unsanitary, hazardous, or dangerous to employees, and who have authorization to take prompt corrective measures to eliminate them] designated by the employers.
(4) The employer shall permit only those qualified [one who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and expertise, has successfully demonstrated his ability to solve or resolve problems relating to the subject matter, the work, or the project] by training or expertise…