ATCP 93.300 Note Note: See s. ATCP 93.250 for minimum marking requirements for newly manufactured or constructed tanks.

ATCP 93.300(2)(c) (c) Tanks shall be constructed of noncombustible materials, unless constructed and utilized in accordance with SU 2258 from Underwriters Laboratories Inc.

ATCP 93.300(2)(d) (d) The fill opening shall be screened to prevent the passage of solid objects into the tank.

ATCP 93.300(2)(e) (e) The fill opening may be located directly at the tank.

ATCP 93.300(2)(f) (f) The fill opening shall be closed except when a transfer is actually taking place.

ATCP 93.300(2)(g) (g) Tanks that store used oil shall be installed by or under the direct supervision of a certified installer.

ATCP 93.300(2)(h) (h) The building setback for tanks which have a capacity of less than 1,100 gallons and which store used oil may be less than the setbacks listed in NFPA 30 Table 22.4.1.6 if approved in writing by the authorized agent or the department; and that approval shall be based on consideration of the construction material for the building wall, the size of the tank, and the adjacent vehicular traffic.

ATCP 93.300 Note Note: See s. ATCP 93.260 for minimum separating distances between tanks and water supply wells.

ATCP 93.300(3) (3) Spill and overfill prevention. All tanks, whether new or existing, shall comply with all of the following:

ATCP 93.300(3)(a) (a) The fill opening shall be provided with spill containment.

ATCP 93.300(3)(b) (b) If the fill opening is located outdoors, the opening shall be located in a watertight enclosure of noncombustible construction.

ATCP 93.300(3)(c) (c)

ATCP 93.300(3)(c)1. 1. Each tank shall have a means of overfill prevention that consists of either a visual gauge, an audible or visual alarm, or a pump shutdown which activates at 90 percent of the tank’s capacity, except as provided in subd. 2.

ATCP 93.300(3)(c)2. 2.

ATCP 93.300(3)(c)2.a. a. If the fill point is remote from the tank or if the delivery person cannot readily observe the tank gauge, an overfill alarm shall be provided at the fill point unless a pump shutdown is provided that activates at 90 percent of the tank’s capacity.

ATCP 93.300(3)(c)2.b. b. All overfill alarms shall be readily audible or visible at the fill point and shall alert the delivery person when the tank is 90 percent full.

ATCP 93.300(3)(c)3. 3. All overfill alarms shall be labeled as such.

ATCP 93.300(4) (4) Signage. All tanks, whether new or existing, shall be provided with a permanent and durable sign installed at the used oil handler site or facility that includes all of the following:

ATCP 93.300(4)(a) (a) “NO SMOKING.”

ATCP 93.300(4)(b) (b) “USED OIL COLLECTION ONLY.”

ATCP 93.300(4)(c) (c) “DEPOSITING OTHER MATERIAL IS PROHIBITED.”

ATCP 93.300(5) (5) Vehicle collision protection. Vehicle collision protection shall be provided for aboveground tanks in accordance with s. ATCP 93.430 unless the authorized agent or the department determines the tank system is not subject to vehicle collision.

ATCP 93.300(6) (6) Secondary containment.

ATCP 93.300(6)(a) (a) Aboveground tanks located outdoors shall have secondary containment that complies with s. ATCP 93.420 (1) to (4).

ATCP 93.300(6)(b) (b) Tanks located inside a building shall have secondary containment for 100 percent of the tank capacity if a leak from the storage tank could reach a floor drain, the exterior of the building, or areas that pose an ignition hazard.

ATCP 93.300 Note Note: An oil-water separator connected to a floor drain may be used for all or a portion of the required secondary containment, depending on the system capacity.

ATCP 93.300(7) (7) Underground tanks.

ATCP 93.300(7)(a) (a) General. Underground tanks for used-oil storage shall comply with the applicable portions of NFPA 30 and this section.

ATCP 93.300(7)(b) (b) Spill protection. For underground tanks that store used oil, spill protection is not required at any point other than the fill point, if the tank meets all of the following conditions: