Federal OSHA jurisdiction for private-sector employers; Wisconsin has no OSHA-approved State Plan. Enforced by U.S. Department of Labor - OSHA area offices (Appleton, Eau Claire, Madison, Milwaukee) for private employers; DSPS Division of Industry Services Public Sector Safety for public employees. Checked on the primary source; the state record was last reviewed 2026-11-12.
Wisconsin is absent from OSHA's 22 full and 7 public-sector-only State Plans. Public employees fall under a DSPS state program (not OSHA-approved) that sets and enforces safety and health standards.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
Federal Hazard Communication (2024 update), extended Jan 15, 2026 (Federal Register read Oct 21, 2026): employers update alternative labeling, HazCom program and training for substances by Nov 20, 2026 and for mixtures by May 19, 2028
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 for private-sector employers; Wisconsin has no OSHA-approved State Plan. Wisconsin is absent from OSHA's 22 full and 7 public-sector-only State Plans. Public employees fall under a DSPS state program (not OSHA-approved) that sets and enforces safety and health standards.
U.S. Department of Labor - OSHA area offices (Appleton, Eau Claire, Madison, Milwaukee) for private employers; DSPS Division of Industry Services Public Sector Safety for public employees.
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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