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 organicOrder 21, rule 66. 21.34. A point concerning Order 21, rule 66, which was discussed in the earlier Report1 requires consideration. A recommendation had been made in the 14th Report' to