Most of us know that OSHA requires us to retain our canceled PRCS Entry permits for one year to be able to do our annual review of our program, which is also an OSHA requirement. However, and this is a HUGE “however,”…if the permit’s air monitoring section shows there was any exposure to a contaminant, that permit would fall under 1910.1020 retention requirements (e.g., 30 years). OSHA stated in an 11/26/1996 LOI…