An OSHA inspection can happen without notice, but with preparation, facilities can be ready for scrutiny. / / Prepare the employees so they are used to working while being observed. The safety planning team should know who will meet with the inspector, and have access to site accident history, and safety procedures. / / Prepare the facility by complying with all regulations relevant, such as personal protective equipment (PPE), arc flash, combustible dust or others. Safety labels and signs should be properly posted. Mock inspections can uncover hidden safety problems. / / OSHA's consultation division can also advise on facility compliance. They are unrelated to the inspection division.