sule 66Rule 66 Quo Warranto - Free download as Word Doc (.doc .docx), PDF File (.pdf), Text File (.txt) or read on for free. An action for quo warranto is used to challenge a person's claim to a public office or position. It determines thefact, in July 1966, when Rule 66 was adopted, some 600 tons per day of organic solvents were being discharged into the County's atmosphere, representing one-fifth of the total organic