1. (a) An AST that has been removed shall not be reinstalled for the purpose of oil storage unless it meets all applicable standards for new tanks specified in Env-Or 305 at the time the tank is to be installed.

2. (b) A used AST that meets the standards for new tanks specified in Env-Or 305 may be reinstalled for oil storage only after it has been:

   1. (1) Thoroughly cleaned, both internally and externally;
   2. (2) Inspected after cleaning to determine that it has no pinholes, cracks, structural damage, or corrosion; and
   3. (3) Determined to be structurally sound by a certified AST inspector.

3. (c) If a shop-fabricated AST is to be disposed of as scrap, the owner shall first:

   1. (1) Test the AST for vapors;
   2. (2) Render the AST vapor free, if necessary; and
   3. (3) Punch holes in the AST to make it unfit for storage of liquids.
4. (d) ASTs and AST systems shall not be reused for the storage of food or potable water.
5. (e) A tank that was designed for installation as an underground storage tank shall not be installed or used as an AST.

Source. (See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14; ss by #14094, eff 10-4-24