Skip to main content
Department of Labor logo
UNITED STATES
DEPARTMENT OF LABOR
Facebook
Twitter
Instagram
RSS
Subscribe
YouTube
MENU
Occupational Safety and Health Administration
Contact Us
FAQ
A to Z Index
Select Language
Afrikaans
Albanian
Amharic
Arabic
Armenian
Azerbaijani
Basque
Belarusian
Bengali
Bosnian
Bulgarian
Catalan
Cebuano
Chichewa
Chinese (Simplified)
Chinese (Traditional)
Corsican
Croatian
Czech
Danish
Dutch
Esperanto
Estonian
Filipino
Finnish
French
Frisian
Galician
Georgian
German
Greek
Gujarati
Haitian Creole
Hausa
Hawaiian
Hebrew
Hindi
Hmong
Hungarian
Icelandic
Igbo
Indonesian
Irish
Italian
Japanese
Javanese
Kannada
Kazakh
Khmer
Korean
Kurdish (Kurmanji)
Kyrgyz
Lao
Latin
Latvian
Lithuanian
Luxembourgish
Macedonian
Malagasy
Malay
Malayalam
Maltese
Maori
Marathi
Mongolian
Myanmar (Burmese)
Nepali
Norwegian
Pashto
Persian
Polish
Portuguese
Punjabi
Romanian
Russian
Samoan
Scots Gaelic
Serbian
Sesotho
Shona
Sindhi
Sinhala
Slovak
Slovenian
Somali
Spanish
Sundanese
Swahili
Swedish
Tajik
Tamil
Telugu
Thai
Turkish
Ukrainian
Urdu
Uzbek
Vietnamese
Welsh
Xhosa
Yiddish
Yoruba
Zulu
Languages
اَلْعَرَبِيَّةُ
(Arabic)
Sinugbuanong Binisayâ
(Cebuano)
简体字
(Chinese-Simplified)
繁体字
(Chinese-Traditional)
English
Français
(French)
Kreyòl ayisyen
(Haitian Creole)
한국어
(Korean)
नेपाली
(Nepali)
Polski
(Polish)
Português
(Portuguese (Brazilian))
Русский
(Russian)
Af-Soomaali
(Somali)
Español
(Spanish)
Українська
(Ukrainian)
Tiếng Việt
(Vietnamese)
OSHA
OSHA
About OSHA
Find an OSHA Office
State Plans
Job Safety and Health Poster
Careers
Freedom of Information Act
Standards
Standards
Law and Regulations
Federal Registers
Open for Comment
Regulatory Agenda
Standard Interpretations
Training Requirements by Standard
Enforcement
Enforcement
OSHA Enforcement
Annual Inspection Data
Topics
Topics
Employer Help
Worker Rights
Heat
Trenching and Excavation
Personal Protective Equipment
Fall Prevention
Hazard Communication
Suicide Prevention
By Sector
Agriculture
Construction
Federal Agencies
Healthcare
Maritime
Oil and Gas
Warehousing
Key Topics
Recordkeeping Requirements and Forms
Safety and Health Programs
Whistleblower Protections
HELP AND RESOURCES
Help and Resources
Data and Statistics
Establishment Search
Fatality Reports
File a Complaint
Publications
Safety and Health Topics Pages
Videos
Compliance Assistance
Compliance Assistance Specialists
Consultation Services
Cooperative Programs
Small Business Resources
Training
Training Requirements and Resources
Outreach Training Program (10- and 30-hour Cards)
Find a Trainer
Replace a Card
Avoid Card Fraud
OSHA Training Institute Education Centers
Find a Center
Search for Classes
Susan Harwood Training Grants
NEWS
News
Federal Registers
Newsroom
News Releases
QuickTakes Newsletter
Contact Us
FAQ
A to Z Index
Languages
اَلْعَرَبِيَّةُ
(Arabic)
Sinugbuanong Binisayâ
(Cebuano)
简体字
(Chinese-Simplified)
繁体字
(Chinese-Traditional)
English
Français
(French)
Kreyòl ayisyen
(Haitian Creole)
한국어
(Korean)
नेपाली
(Nepali)
Polski
(Polish)
Português
(Portuguese (Brazilian))
Русский
(Russian)
Af-Soomaali
(Somali)
Español
(Spanish)
Українська
(Ukrainian)
Tiếng Việt
(Vietnamese)
1902
Interlinking
#
Regulations
1
08/01/2016
- 1902.4(a) -
Indices of effectiveness.