sule 66fact, 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 organicRevision 6 of this AC adds a note on the on application process and updates the sections on rule 66.7 Application for licences, certificates, and ratings, rule 66.9(a)(1) Fit