A middle-aged couple sits on a bench facing a giant image of a model with windblown hair wearing a massive diamond necklace.
A couple sits on a bench.
The concentration of the metals Al, As, Cr, Co, Cu, Fe, Pb, Ni, and Zn, expressed as total metal, should not exceed 1 mg/L each, and Cd, Hg, and Ag, expressed as total metal, should not exceed 100 ng/L each.