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 pounds17B A.R.S. Rules Fam.Law Proc., Rule 66 Rule 66. Duties to Consider and Attempt Settlement by Alternative Dispute Resolution (ADR) Currentness (a) Purpose. These rules encourage