In addition to monitoring accuracies at Wisconsin stores, Weights and Measures inspectors are also responsible for testing fuel quality and pump safety at stations statewide.
Please visit our fact sheet page to see all of our fuel quality fact sheets.
E10 Gasoline Variance for Reid Vapor Pressure (RVP) Requirements During Certain Months
Variance for Reid Vapor Pressure (RVP): September 1-15, 2017
Valor Oil Renegade 110 Race Gas Variance
Smith Oil Sunoco Standard Race Gas Variance
Photo example of clear and bright gasoline sample with text description (PDF)
Wisconsin Fuel Quality Laboratory tests fuel sold in Wisconsin to ensure it meets the specifications and octane ratings required under Wisconsin Administrative Code ATCP 94.
To file a weights & measures or fuel quality complaint, call (608) 224-4942.