OAR 340-258-0160
Oxygenated Gasoline: Minimum Oxygen Content
(1)
Any gasoline sold or dispensed by a CAR or a blender CAR for use within a control area during the control period, must contain not less than the minimum percent oxygen by weight allowed in the Oxygen Content Standard listed below, except where otherwise required by OAR 340-258-0310 (Oxygenated Gasoline: Contingency Provision for Carbon Monoxide Nonattainment Areas):(a)
Minimum oxygen content when using the Per Gallon Oxygen Content Standard Compliance Option is 2.7 percent oxygen by weight, unless it is sold or dispensed to another registered CAR or blender CAR. This requirement begins no less than five working days before the control period and applies until the end of that period;(b)
Minimum oxygen content when using the Average Oxygen Content Standard Compliance Option is 2.0 percent oxygen by weight, unless it is sold or dispensed to another registered CAR or blender CAR. This requirement begins at least five working days before the control period and applies until the end of that period.(2)
The requirements of this rule apply to all persons downstream of the CAR. Any gasoline offered for sale, sold or dispensed to an ultimate consumer within a control area must contain not less than:(a)
2.7 percent oxygen by weight when supplied by a CAR or blender CAR who uses the Per Gallon Oxygen Content Standard Compliance Option, except where otherwise required by OAR 340-258-0310 (Oxygenated Gasoline: Contingency Provision for Carbon Monoxide Nonattainment Areas). This requirement applies during the entire control period;(b)
2.0 percent oxygen by weight when supplied by a CAR or blender CAR who uses the Average Oxygen Content Standard Compliance Option. This requirement applies during the entire control period.(3)
A refiner or importer shall determine the oxygen content of gasoline produced by use of an applicable method described in OAR 340-258-0130 (Oxygenated Gasoline: Compliance Options). This determination must include the percent oxygenate by weight, the type of oxygenate and percent by volume.
Source:
Rule 340-258-0160 — Oxygenated Gasoline: Minimum Oxygen Content, https://secure.sos.state.or.us/oard/view.action?ruleNumber=340-258-0160.