Island relating to the duties and responsibilities of the Director for the waters of the state, and in. accordance with the requirements of Chapter 42-35, Administrative Procedures Act. Rule 3. - SUPERSEDED RULES. Upon adoption, these rules and regulations will supersede Water Quality Regulations for Water Pollution.
Using low octane fuel in a high octane engine will result in severely reduced performance because the engine will attempt to adjust to the lower octane gasoline. In extreme cases, or with prolonged use of low octane gasoline in these engines, pinging or pre-detonation can occur and can eventually destroy your engine.
AVGAS is broadly similar to automotive gasoline but subject to much more rigorous quality control. The most common form of AVGAS has an octane rating of 100 - octane rating being a measure of the resistance of a fuel to pre-ignition (the chance of combustion occurring before the spark). This flashpoint is the same as that of automotive gasoline and there is a significant danger of combustion if it is not handled carefully.