Publication Summary

WAC 173-481-010 Purpose. This chapter promulgated underRCW 70.94.305 and 70.94.331 establishes fluoride standards for the protection of livestock and vegetation. Standards addressthe fluoride content of forage and gaseous fluorides in theambient air.

WAC 173-481-020 Applicability. The forage provisions ofthis chapter apply to all areas where livestock are grazed, andwhere forage is grown for livestock feed. The ambient actionlevels apply to areas where fluoride sensitive vegetation isgrown for commercial purposes and in public land use areas, suchas parks, where fluoride damage to vegetation would adverselyimpact the use and enjoyment of the area. The ambient actionlevels are independent of the forage standards and are notdesigned to relate to potential concentrations in forage.