Chapter 4123:1-9 - Steel Making, Manufacturing, and Fabricating
- Section 4123:1-9-01 - [Effective until 1/1/2025] Scope and definitions
- Section 4123:1-9-01 - [Effective 1/1/2025] Scope and definitions
- Section 4123:1-9-02 - [Effective until 1/1/2025] Coke plants
- Section 4123:1-9-02 - [Effective 1/1/2025] Coke plants
- Section 4123:1-9-03 - [Effective until 1/1/2025] Blast furnaces
- Section 4123:1-9-03 - [Effective 1/1/2025] Blast furnaces
- Section 4123:1-9-04 - [Effective until 1/1/2025] Steel making
- Section 4123:1-9-04 - [Effective 1/1/2025] Steel making
- Section 4123:1-9-05 - [Effective until 1/1/2025] Rolling operations
- Section 4123:1-9-05 - [Effective 1/1/2025] Rolling operations