Where does all the water go? According to the Environmental Protection Agency (EPA), in a typical wetland environment, 38% of the water is outflow; 45% is seepage; 4% evaporates; and 13% remains as water volume in the ecosystem (Reference: United States Environmental Protection Agency Case Studies Report 832-R-93-005). Chloride compounds as residuals from residential areas are a problem for wetlands. Suppose that in a particular wetland environment the following concentrations (mg/l) of chloride compounds were found: outflow, 57; seepage, 73; remaining due to evaporation, 34.9; in the water volume, 34.9. Compute the weighted average of chlorine compound concentration (mg/l) for this ecological system.