Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 90-139 - Trade and Consumer Protection
Chapter ATCP 93 - Flammable, Combustible, And Hazardous Liquids
Subchapter IV - General AST Storage
Section ATCP 93.445 - Seldom-used and temporarily out of service tank systems

Universal Citation: WI Admin Code ยง ATCP 93.445

Current through August 26, 2024

(1) OPERATIONAL REQUIREMENTS. Owners or operators of aboveground seldom-used and temporarily out of service tanks shall comply with the applicable requirements of s. ATCP 93.545(1).

(2) PLACING A TANK BACK INTO SERVICE.

(a) The respective API 653 or STI SP001 inspection cycle shall be current for a tank before it is placed back into service.

(b) All leak detection, overfill, vent and fire valve devices shall be verified as functional before being placed back into service.

(c)
1. Tank systems out of service for more than 365 days shall pass a tightness test of the tank ullage portion in accordance with s. ATCP 93.515(10), to assure that tank connections are liquid- and vapor-tight before the tanks are placed back into service.

2. Field-erected tank systems out of service for more than 365 days shall be evaluated for suitability for service in accordance with API 653, to assure that the tank and tank connections are liquid- and vapor-tight before the tanks are placed back into service.

3. Underground product piping out of service for more than 365 days shall pass a tightness test in accordance with s. ATCP 93.515(4).

(3) NON-COMPLYING TANK SYSTEMS. Tank systems that do not comply with this section or in-use tank system requirements are abandoned tanks and shall be closed in accordance with s. ATCP 93.460 within 60 calendar days of non-compliance.

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