Section Env-Dw 304.05 - Tanks Previously Used for Substances Other Than Water or Food Products(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.N.H. Code Admin. R. Env-Dw 304.05
Amended by Volume XXXVIII Number 02, Filed January 11, 2018, Proposed by #12444, Effective 1/1/2018, Expires 1/1/2028.