3.B: Arkansas

Arkansas only has one gasoline quality standard, and it is a conventional gasoline. The state’s regulation adopts the most recent version of the NIST Handbook 130 standard, which, in turn, incorporates the most recent version of ASTM D4814 Standard Specification for Spark-Ignition Engine Fuel by reference. The applicable federal parameters and limits are listed in Fig. 1 of Part 1 of this report, whereas the applicable, non-volatility-related ASTM D4814 parameters and limits are listed in Fig. 3 of Part 1 of this report.

With respect to oxygenate blending, the adoption by reference of the 2020 version of NIST Handbook 130 implies adoption of the ethanol 1-psi (6.9 kPa) waiver provisions of 40 CFR section 80.27(d). These allow for the 1-psi waiver during the summertime control