10 Confined Spaces • Contains any other recognized serious safety or health hazard, including areas or processes that must be locked out and/ or tagged out per the Iowa State University Lockout/Tagout Program. Refer to Appendix A: Definitions for more information on hazards that may be encountered. Non-Permit Confined Space A confined space NOT containing ANY of the characteristics listed under permit-required confined spaces may be considered a non- permit confined space. Notification Personnel must be made aware of the existence and location of permit-required confined spaces. This may be accomplished by: • The posting of danger signs reading, "DANGER - PERMIT REQUIRED CONFINED SPACE - DO NOT ENTER" or other suitable language. • Employee training on the existence and locations of permit- required spaces. • Posting or making lists of confined spaces. • Any other methods deemed effective by EH&S.