(a) Tanks previously used to transport petroleum products, toxic substances, or any non-food products shall not be used until the following is completed:
- (1) The tank shall be thoroughly cleansed using appropriate sanitation methods to remove all previously transported products;
- (2) The tank shall be filled with water that meets the standards specified in Env-Dw 700;
- (3) The water in the tank shall be tested for the presence of contaminants associated with the products previously stored in the tank and the cleaners used to sanitize the tank;
- (4) The process in (1) through (3), above, shall be repeated as often as necessary until the testing done pursuant to (3), above, shows no trace of contaminants;
- (5) Pipes, hoses, fittings, and valves associated with the tank shall be replaced with equipment not previously used to transport petroleum products, toxic substances, or any non-food products; and
- (6) The department has approved the use of the tank pursuant to (b), below.
- (b) The department shall approve the use of a tank previously used to transport petroleum products, toxic substances, or any non-food products upon determining, based on written documentation submitted by the bulk water provider demonstrating compliance with (a), above, that the requirements have been met.
Source. #9577, eff 10-23-09; ss by #12444, eff 1-1-18