The turbidity of public swimming pool waters.
D002713:Chlorine / Q000032:analysis; D003720:Densitometry; D005374:Filtration; D006863:Hydrogen-Ion Concentration; D008433:Mathematics; D008722:Methods; D013551:Swimming Pools; D013696:Temperature; D014481:United States; D014876:Water Pollution / Q000032:analysis*
D002713:Chlorine