ATCP 93.400(12)(b)(b) Tanks used in recovery systems that pump free product at the rate of less than 60 gallons per week shall be constructed and marked in accordance with ss. ATCP 93.250 and 93.400 (7). ATCP 93.400 HistoryHistory: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19; correction in (5) (b) 2. made under s. 13.92 (4) (b) 14., Stats., and correction in (8) (c) 1. made under s. 35.17, Stats., Register October 2019 No. 766. ATCP 93.410(1)(a)(a) All aboveground storage tanks, whether new or existing, shall have a means of overfill prevention which consists of either a visual gauge, an audible or visual alarm, or a pump shutdown that activates at 90 percent of the tank’s capacity, and which complies with any other applicable requirements in this section. ATCP 93.410(1)(b)(b) Prior to delivery, the operator of the product delivery equipment that is transferring the product shall ensure that the volume available in the tank is greater than the volume of product to be transferred to the tank. ATCP 93.410(2)(2) The transfer operation shall be monitored constantly by the operator of the delivery equipment so as to prevent overfilling and spilling. ATCP 93.410(3)(3) Equipment shall be clearly marked so visual and audible warning signals are recognizable to the delivery person. ATCP 93.410(4)(4) Spill and overflow prevention equipment shall be maintained to work as originally designed and installed. ATCP 93.410(5)(5) The fill opening shall be separate from the vent opening. ATCP 93.410(6)(a)(a) All aboveground storage tanks, whether new or existing, with the fill point not located within a diked area shall be provided with a catch basin or similar containment, except for tanks exempted by par. (d) and tanks that are exempted from secondary containment by s. ATCP 93.420 (1) (a) to (c). ATCP 93.410(6)(b)(b) The catch basin or similar containment to contain spillage at the fill point shall have a minimum liquid capacity of 5 gallons, except where the catch basin or similar containment was installed before February 1, 2009. ATCP 93.410(6)(c)(c) The basin shall be equipped with a method to remove product or a drain system that directs spilled product into the tank. ATCP 93.410(6)(d)1.1. Tanks provided with controls before February 1, 2009, that comply with this subsection. ATCP 93.410 NoteNote: The “controls” referred to in this subdivision may be something other than a mechanical device. In other words, they are anything that will reliably prevent a loss of product at the fill point from reaching the environment.
ATCP 93.410(6)(d)3.3. Tanks filled with a tight-connect with either a dry break connection or a manual shutoff valve on the hose-end connection. ATCP 93.410(7)(7) Aboveground tanks that are filled via handheld nozzles shall be constantly attended during product delivery and shall be provided with overfill prevention equipment which notifies the person filling the tank, with either an audible or a visual signal that the liquid level has reached 90 percent of the tank’s capacity. ATCP 93.410(8)(8) Tanks located remote from the fill point, that are filled only with a manual shutoff nozzle without a latching mechanism shall be provided with overfill prevention equipment which notifies the person filling the tank, with both an audible and a visual signal, that the liquid level has reached 90 percent of the tank’s capacity. ATCP 93.410(9)(a)(a) Any of the following new aboveground double-wall tanks storing Class IIIB products shall be provided with overfill prevention equipment which notifies the person filling the tank, with both an audible and a visual signal, that the liquid level has reached 90 percent of the tank’s capacity: ATCP 93.410(9)(b)(b) Any of the following existing aboveground double-wall tanks storing Class IIIB products shall be provided with overfill prevention equipment which notifies the person filling the tank, with both an audible and a visual signal, that the liquid level has reached 90 percent of the tank’s capacity: