Federal OSHA; Pennsylvania has no OSHA-approved State Plan. Enforced by U.S. Department of Labor, Occupational Safety and Health Administration. Checked on the primary source; the state record was last reviewed 2026-11-12.
Federal OSHA covers most private-sector employers statewide. Pennsylvania is not on OSHA's State Plan list, so state and local government workers are outside federal OSHA coverage.
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; Pennsylvania has no OSHA-approved State Plan. Federal OSHA covers most private-sector employers statewide. Pennsylvania is not on OSHA's State Plan list, so state and local government workers are outside federal OSHA coverage.
U.S. Department of Labor, Occupational Safety and Health Administration.
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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