Title 17E Environmental Standards
Chapter 17E.010 Critical Aquifer Recharge Areas – Aquifer Protection
Article IV. Aboveground Storage Tanks
Section 17E.010.490 Categories of Use
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"Active Use" AST.
An AST in actual use for receipt, storage, or delivery of substances, as an AST, within any ninety-day period.
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“Out of service for Ninety Days” AST.
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An AST not in active use within any ninety-day period. ASTs in this category must be safeguarded as required under IFC 5704.2.13.2.2.
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“Out of service for one year” AST.
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An AST not in active use within any one-year period or longer. ASTs in this category must satisfy the requirements under IFC 5704.2.13.2.3.
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For purposes of this article, aggregates of tanks hydraulically connected including the piping are considered as one tank.
Date Passed: Monday, June 13, 2016
Effective Date: Wednesday, July 27, 2016
ORD C35399 Section 28