Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 17 - STORAGE TANKS
Part G - STORAGE TANK SYSTEMS: OUT-OF-SERVICE SYSTEMS AND CLOSURES
Section 17-30 - Temporary Closure
Current through September 21, 2024
(a) General Requirements. When an storage tank system is temporarily closed, owners and/or operators shall continue operation and maintenance of CP systems in accordance with Section 11. Owners and/or operators shall continue release detection in accordance with Part D as long as the tank contains more than one inch of regulated substance at the measuring point directly under the fill tube. Parts E and F shall be complied with if a release is suspected or confirmed.
(b) Six (6) months or more. When a storage tank system is temporarily closed for six (6) months or more, owners and/or operators shall also comply with the following requirements:
(c) Three (3) years or more. When a storage tank system is temporarily closed for more than three (3) years, the owner and/or operator shall complete a minimum site assessment in accordance with Section 29.