Old code used to build riveted tanks
API 12A
Fitness for service
API 579
RBI - Risk based inspection
API 580
CUI - Corrosion under insulation and fireproofing
API 583
Construction code for low-pressure tanks
API 620
Construction code for atmospheric tanks
API 650
Cathodic protection of tanks
API 651
Tank linings
API 652
Tank venting
API 2000
Safety precautions for tank entry
API 2015
UL tank construction code
UL-142