Federal OSHA jurisdiction - Oklahoma has no OSHA-approved State Plan. Enforced by Federal OSHA (U.S. Dept. of Labor). Checked on the primary source; the state record was last reviewed 2026-11-12.
OSHA's State Plans page states Oklahoma is not an OSHA-approved State Plan and is under federal OSHA jurisdiction, covering private-sector employers. Oklahoma is not listed among public-sector-only plans; coverage of public employees should be confirmed with the Oklahoma Department of Labor.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force, nothing scheduled
The federal layer applies in every state: OSHA's Hazard Communication update (91 FR 1695) sets November 20, 2026 for substances and May 19, 2028 for mixtures. State-plan states enforce it through their own agency.
These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.
Federal OSHA jurisdiction - Oklahoma has no OSHA-approved State Plan. OSHA's State Plans page states Oklahoma is not an OSHA-approved State Plan and is under federal OSHA jurisdiction, covering private-sector employers. Oklahoma is not listed among public-sector-only plans; coverage of public employees should be confirmed with the Oklahoma Department of Labor.
Federal OSHA (U.S. Dept. of Labor).
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
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