sule 66Revision 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) Fitfact, 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