Or. Admin. R. 603-057-0310
The restrictions and conditions on the use or application of the high volatile esters of 2,4-D specified in OAR 603-057-0301 shall apply for the period of April 1 to September 1 of each year.
ORS 561.190, 634.306 & 634.322
ORS 634.306 & 634.322
AD 1072(18-75), f. & ef. 12-5-75