| Chapter 4101. SAFETY IN THE WORKPLACE |
| Chapter 4103. DIVISION OF BOILER INSPECTION [Repealed] |
| Chapter 4104. BOILERS |
| Chapter 4105. ELEVATORS |
| Chapter 4107. DIVISION OF WORKSHOPS AND FACTORIES [Repealed] |
| Chapter 4109. EMPLOYMENT OF MINORS |
| Chapter 4111. MINIMUM FAIR WAGE STANDARDS |
| Chapter 4112. CIVIL RIGHTS COMMISSION |
| Chapter 4113. MISCELLANEOUS LABOR PROVISIONS |
| Chapter 4115. WAGES AND HOURS ON PUBLIC WORKS |
| Chapter 4116. UNLAWFUL LABOR REQUIREMENTS IN PUBLIC IMPROVEMENT CONTRACTS |
| Chapter 4117. PUBLIC EMPLOYEES' COLLECTIVE BARGAINING |
| Chapter 4121. INDUSTRIAL COMMISSION; BUREAU OF WORKERS' COMPENSATION |
| Chapter 4123. WORKERS' COMPENSATION |
| Chapter 4125. PROFESSIONAL EMPLOYER ORGANIZATIONS |
| Chapter 4127. PUBLIC WORKS RELIEF COMPENSATION |
| Chapter 4129. ARBITRATION [Repealed] |
| Chapter 4131. SEPARATE COMPENSATION FUNDS |
| Chapter 4139. APPRENTICESHIP COUNCIL |
| Chapter 4141. UNEMPLOYMENT COMPENSATION |
| Chapter 4143. PERSONNEL PLACEMENT SERVICES [Repealed] |
| Chapter 4151. ADMINISTRATION OF MINING LAWS [REPEALED, RENUMBERED] |
| Chapter 4153. MINES - CONSTRUCTION; MAINTENANCE; ABANDONMENT [REPEALED, RENUMBERED] |
| Chapter 4155. MINE EMPLOYEES [REPEALED, RENUMBERED] |
| Chapter 4157. MINE EQUIPMENT; SAFETY REGULATIONS [REPEALED, RENUMBERED] |
| Chapter 4159. WELLS - OIL; GAS [Repealed] |
| Chapter 4161. UNDERGROUND STORAGE OF GAS [RENUMBERED, REPEALED] |
| Chapter 4163. ATOMIC ENERGY |
| Chapter 4165. DECEPTIVE TRADE PRACTICES |
| Chapter 4167. PUBLIC EMPLOYMENT RISK REDUCTION PROGRAM |
| Chapter 4169. SKI TRAMWAY BOARD |
| Chapter 4171. ROLLER SKATING RINKS |
| Chapter 4173. RETAIL ESTABLISHMENT RESTROOMS |