|Do Not Enter an Unprotected Trench!|
|For your safety:
OSHA's role is to assure the safety and health of workers by setting and enforcing standards; providing training, outreach and education; establishing partnerships; and encouraging continual improvement in workplace safety and health.
To get more information, report an emergency or contact your local office:
www.osha.gov • (800) 321-OSHA • TTY (877) 889-5627