Iowa Administrative Code - 02/18/2026

Inspections and Appeals Department [481] | Agency Listing
Chapter 391 GENERAL REQUIREMENTS FOR ALL OBJECTS | Chapter Listing (Official Version - PDF format)
Rules PDF RTF Waivers
481.391.1 Codes and code cases adopted by reference.
481.391.2 Safety appliance.
481.391.3 Blowoff equipment.
481.391.4 Location of discharge piping outlets.
481.391.5 Pipe, valve, and fitting requirements.
481.391.6 Repairs and alterations to unfired steam pressure vessels.
481.391.7 Plugging boiler tubes.
481.391.8 Equipment room.
481.391.9 Fall protection.
481.391.10 Air and ventilation requirements.
481.391.11 Condensate return tank.
481.391.12 Conditions not covered.
481.391.13 English language and U.S. customary units required.
481.391.14 National Board registration.
481.391.15 ASME stamp.