sule 66Regulation IV -1- Rule 66 RULE 66. ORGANIC SOLVENTS (Adopted 7172; Rev. Effective 72595) (a) A person shall not discharge into the atmosphere more than 15 poundsRule 66 is applicable to what is commonly known as a federal chancery or equity receiver, or similar type of court officer. It is not desned to regulate or affect receivers in bankruptcy,