Action value definition
Action value means a total phosphorus (TP) value established at the upper limit of the trophic states in each ecoregion (see Table 230(1)). Exceedance of an action value indicates that a problem is suspected. A lake-specific study may be needed to confirm if a nutrient problem exists.
Action value means a total phosphorus (TP) value established at the upper limit of each trophic state. Exceedance of an action value indicates that a problem is suspected. A lake- specific study may be needed to confirm if a nutrient problem exists.
Action value means a total phosphorus (TP) value established at the upper limit of the trophic states in each ecoregion (see Table 230(1)). Exceedance of an action value