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Virginia Administrative Code
Title 02. Agriculture
Agency 5. Department of Agriculture And Consumer Services
Chapter 425. Vapor Pressure Requirements for Gasoline Ethanol Blends
3/2/2026

2VAC5-425-10. Definitions.

The following words and terms when used in this chapter shall have the following meanings unless the context clearly indicates otherwise:

"ASTM D4806-21a" means the Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel published by ASTM International in October 2021.

"ASTM D4814-24a" means the Standard Specification for Automotive Spark-Ignition Engine Fuel published by ASTM International in July 2024.

"psi" means pounds per square inch.

"Volatility class A" means fuel with a vapor pressure and distillation designation of "A" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-24a.

"Volatility class B" means fuel with a vapor pressure and distillation designation of "B" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-24a.

"Volatility class C" means fuel with a vapor pressure and distillation designation of "C" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-24a.

"Volatility class D" means fuel with a vapor pressure and distillation designation of "D" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-24a.

"Volatility class E" means fuel with a vapor pressure and distillation designation of "E" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-24a.

Statutory Authority

§§ 59.1-153 and 59.1-156 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 33, Issue 24, eff. August 24, 2017; amended, Virginia Register Volume 42, Issue 11, eff. February 26, 2026.

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