Cross Reference Information Relative water ages in hours (hr) Figure 1, illustrational, no EPA data, or data displayed in the figure. Figures 2-6 in "House 1 - PPS_output.xlsx" Figures SI1 and 2: Illustrational, no EPA data Figure SI3 in "House 1 - PPS_output.xlsx" tabs "shower-hot" and "shower-cold" Figures SI4-8 in "House 2 - PPS_output.xlsx" (add 2 to worksheet name, fig2 = SI4) Figures SI9-13 in "House 3 - PPS_output.xlsx" (add 7 to worksheet name, fig2 = SI9)