2 Va. Admin. Code § 5-425-20

Current through Register Vol. 41, No. 3, September 23, 2024

Section 2VAC5-425-20 - Vapor pressure requirements; exceptions

When gasoline is blended with ethanol, the ethanol shall meet the requirements of ASTM D4806-16a and the blend shall meet the requirements of ASTM D4814-16a, with following permissible exceptions:

1. For blends containing nine to 10 volume percent ethanol, the maximum vapor pressure shall not exceed the ASTM D4814-16a limits by more than 1.0 psi during the period of June 1 through September 15.

2. For blends containing one or more volume percent ethanol for volatility class A, B, C, or D, the maximum vapor pressure shall not exceed ASTM D4814-16a limits by more than 1.0 psi during the period of September 16 through May 31.

3. For blends containing one or more volume percent ethanol for volatility class E, the maximum vapor pressure shall not exceed ASTM D4814-16a limits by more than 0.5 psi during the period of September 16 through May 31.

2 Va. Admin. Code § 5-425-20

Derived From Virginia Register Volume 33, Issue 24, eff. 8/24/2017.

Statutory Authority: §§ 59.1-153 and 59.1-156 of the Code of Virginia.