(1) Upon written request, the Director may evaluate and approve use of alternative management practices that are based on scientific data demonstrating their effectiveness in reducing movement of pesticides to groundwater; or

(2) Upon written request, the Director may make a determination to allow the interim use of a pesticide containing a chemical listed in section 6800(a) within a leaching groundwater protection area, for a period not to exceed three years. The Director's determination shall be based on evidence that the available management practices are not feasible for a specific crop or site, and that there are no feasible alternatives for the specific crop or site. The formal request shall include a study protocol(s) that is acceptable to the Director to develop feasible alternatives or alternate management practices. The study protocol shall include a description of the objective, personnel, study plan, sampling methods including number of samples to be analyzed, data analysis, chemical analytical methods including appropriate quality control, timetable, and references, if any. The requester shall submit a written progress report every six months. If the progress report does not support the submitted study protocol(s), or if a report is not submitted, the Director may rescind the determination to allow the use of the pesticide within a groundwater protection area.

(3) The Director will issue a public notice stating the reasons interim use has been approved under (1) or (2). The notice will be posted on the Department's Web site.