Section 290.644a - Testing storage tank at retail outlet to determine water or water-alcohol level; prohibited sales; testing supplies(1) A storage tank at a retail outlet shall be periodically tested by the retail dealer to insure that the tank does not have water or water-alcohol at the bottom of that tank in an amount greater than 2 inches. If there is more than 2 inches of water or water-alcohol at the bottom of the storage tank, gasoline, diesel fuel, biodiesel, or biodiesel blend shall not be sold to a consumer from that tank until the water or water-alcohol level is reduced to a level of less than 2 inches.(2) Adequate testing supplies, as determined by the department, shall be maintained at the retail outlet and shall also be made available to the department to determine the water or water-alcohol level in the storage tank.Amended by 2006, Act 271, s 3, eff. 7/7/2006.Add. 1986, Act 127, Eff. 8/1/1986 ;--Am. 2002, Act 13, Imd. Eff. 2/19/2002 ;--Am. 2002, Act 425, Imd. Eff. 6/5/2002.