[21] Effect of reducing water temperature Reduction of the hot-water temperature in all homes to 49 C (120 F) would likely eliminate most tap-water scalds, because at least 9 minutes' contact with water at this temperature is required to 
(21] Effect of reducing water temperature Reduction of the hot-water temperature in all homes to 49 C; would likely eliminate; most tap-water scalds; because at least 9 minutes' contact with water at this temperature is required to) (at least 9 minutes' contact with water at this temperature; is required; to)
21] Effect of reducing water temperature Reduction of the hot-water temperature in all homes to 49 C at least 9 minutes' contact with water at this temperature
would likely eliminate is required
most tap-water scalds because at least 9 minutes' contact with water at this temperature is required to
to