Wis. Admin. Code § ATCP 94.300
(1) Dispensing equipment.
(a) General. All devices dispensing liquid fuel products at motor fuel dispensing facilities, garages, or other places where liquid fuel products are sold or offered for sale shall be marked with a conspicuous label visible on both faces of the dispensing device accurately indicating the actual automotive fuel rating of the fuel product. No label may be placed so that the text is sideways or upside down.
Note: A single label may be used to refer to multiple grades of fuel, provided all of the requirements of this section are met.
(b) Oxygenated gasoline dispensing device labels.
2. A device that dispenses a reformulated gasoline, as defined in s. 285.37 (1), Stats., that contains an oxygenate other than ethanol shall be labeled with the identity of the oxygenate at all times the product is offered for retail sale. If the gasoline contains multiple oxygenates, the label shall identify the predominant oxygenate based upon percent by volume.
Note: Reformulated gasoline is defined in section 285.37 (1) of the Statutes, as gasoline formulated to reduce emissions of volatile organic compounds and toxic air pollutants as provided in 42 USC 7545 (k) (1) to (3). The addition of an oxygenate to a fuel alone does not create a reformulated gasoline, other criteria specified in the law must also be met.
4. The label shall be contrasting in color to the dispenser, and shall include lettering that complies with any applicable requirements in ch. 168, Stats.
Note: Section 168.11 (1) (b) 1. of the Statutes reads as follows: “A device that dispenses a gasoline-ethanol fuel blend for sale at retail shall be marked or labeled with the percentage of ethanol at all times when the product is offered for sale.”
9.
11. A dispensing device at a retail station may be used to dispense through the same fueling nozzle and hose gasoline-ethanol fuel blends containing greater than 10 percent and not more than 15 percent ethanol by volume, gasoline containing no ethanol, and gasoline-ethanol fuel blends containing not more than 10 percent ethanol by volume if either of the following applies:
b. A label satisfying the requirements under s. 168.11 (1) (b) 3., Stats., is prominently affixed to the dispensing device that states that a minimum purchase of 4 gallons is required.
Note: Under chapter ATCP 93, fuel dispensers that are installed after February 1, 2009, must use a separate fueling nozzle and hose for dispensing any ethanol-blended motor fuels of more than 10 percent ethanol by volume, such as E-85, E-30, E-20, and E-15.
(2) Storage containers.
(a) Gasoline and similar products. All containers for storing gasoline or any other product that has a flash point of less than 100°F when tested using either an ASTM D56, ASTM D93, ASTM D6450, or ASTM D7094 closed tester shall be metal or equally sound nonflammable material meeting the requirements of ch. ATCP 93 or SPS 314, shall have the common name of the contents clearly labeled or painted on the exterior, and shall be substantially a bright red color. These requirements do not apply to any of the following:
(3) Identification.
(a) General. Any person receiving, unloading, using, offering for sale, or selling any liquid fuel product shall identify the product as to name or grade. Delivery of automotive fuel to a retail outlet shall include a certification of the automotive fuel rating, either by letter, or on the delivery ticket or other paper, as required by 16 CFR 306.10 (g).
Note: Under section 168.14 (2m) (c) of the Statutes, any fuel that is represented, advertised, labeled, or otherwise promoted for sale as being a blend of biodiesel and petroleum-based diesel fuel must be at least 2 percent biodiesel fuel by volume.
(4) Cleaning of dispensing equipment.
(b) A person who changes the fuel product dispensed from a tank system to a dissimilar fuel product shall notify the inspector, and the new product shall be tested and approved before being dispensed.
Note: Chapter ATCP 93 has detailed requirements that apply when converting a fuel tank to storage of fuel containing more than 10 percent ethanol by volume and more than five percent biodiesel by volume. Those requirements address cleaning the tank, tightness testing, and equipment compatibility.
History: Cr. Register, July, 1980, No. 295, eff. 8-1-80; renum. (1) (a) to be (4), cr. (1) (a), Register, May, 1984, No. 341, eff. 6-1-84; reprinted to correct error in (1) (a), Register, October, 1984, No. 346; r. and recr. (1), Register, February, 1986, No. 362, eff. 3-1-86; emerg. r. and recr. (1) (b), r. (1) (c), eff. 9-13-95; r. and recr. (1) (b), r. (1) (c), Register, May, 1996, No. 485, eff. 6-1-96; correction in (1) (b) 2. made under s. 13.93 (2m) (b) 7., Stats.; CR 03-011: am. (1) (a), (b) 1., 2., 3. and 5., r. and recr. (3) Register December 2003 No. 576, eff. 1-1-04; CR 05-081: renum. from Comm 48.10, am. (1) (b) 9., (2) and (3) (a) Register August 2006 No. 608, eff. 9-1-06; CR 07-029: cr. (1) (c), am. (2) (a) (intro.) Register November 2008 No. 635, eff. 2-1-09; CR 10-006: renum. from Comm 48.580 and am. (1) (a), (b) 4., 8., (c), (2) (a) 2., (b), (3) (title) (a), (4), r. (1) (b) 6. Register December 2010 No. 660, eff. 1-1-11; correction in (1) (b) 8., (2) (a) (intro.) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; corrections in (1) (b) 8., (2) (a) (intro.) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694: CR 21-096: am. (1) (a), (b) 1., 2., r. (1) (b) 8., cr. (1) (b) 9., renum. (1) (c) to (1) (c) 1. and am., cr. (1) (c) 2., am. (2) (a) (intro.), 2., renum. (4) to (4) (a), cr. (4) (b) Register February 2024 No. 818, eff. 3-1-24; correction in (1) (b) 9. a., 11. a. made under s. 35.17, Stats., renum. (1) (c) 1., 2. to (1) (b) 10., 11. under s. 13.92 (4) (b) 1., Stats., and (1) (c) 1. (title), 2. (title) removed under s. 13.92 (4) (b) 2., Stats., Register February 2024 No. 818.