GB/T 5082-1985
Replaced
DB21/T 4193.4-2025
Active
Liaoning ProvinceLocal standards
DB21/T 4193.4-2025 Specialized Occupational Safety Technology Practical Exam Standards - Part 4: Hydrogen Addition Process Operations
DB21/T 4193.4-2025 Specialized Occupational Safety Technology Practical Exam Standards - Part 4: Hydrogen Addition Process Operations
Basic Information
Standard Code:
DB21/T 4193.4-2025
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nAssessment of safety and hygiene skills
ICS Name:
Occupational safety and industrial hygiene
Publish Date:
2025-10-30
Implement Date:
2025-11-30
Publisher:
辽宁省市场监督管理局
Technical Committee:
辽宁省应急管理厅
Development Information
Same series standard
DB21/T 4193.1-2025 Special Hazard Operation Safety Technology Practical Examination and Evaluation Specification Part 1: Chemical Automation Control Instrument Operations
DB21/T 4193.2-2025 Special Duties Safety Technology Practical Operation Assessment Specification Part 2: Polymerization Process Operations
DB21/T 4193.3-2025 Special Duties Safety Technology Practical Operation Assessment Specification Part 3: Chlorination Process Operations
DB21/T 4193.5-2025 Special Duties Safety Technology Practical Operation Examination Specification Part 5: Cracking (Fusion) Process Operations
Related Standards
GB 6222-1986
Abolished
GB 6222-1986 Safety code for gas of industrial enterprises
GB 7059.1-1986
Replaced
GB 7059.1-1986 Safety standard for wood portable vertical ladder
GB 7059.2-1986
Replaced
GB 7059.2-1986 Safety standard for wood portable stepladder
GB 7059.3-1986
Replaced
GB 7059.3-1986 Safety standard for light metals portable stepladder
GB 7806-1987
Abolished