Not later than April 1, 2003, the department shall, pursuant to Sections 12824 and 12825, do both of the following:
(a)
Determine in writing those lawn and turf uses of the herbicide clopyralid for which there is no reasonable likelihood that the specified use will result in persistent residues in compost.
(b)
Take either of the following actions:
(1)
Impose appropriate restrictions on the lawn and turf uses of the herbicide clopyralid that are not identified in the determination made pursuant to subdivision (a).
(2)
Cancel any lawn and turf use that the department determines is likely to result in persistent residues in compost.