<https://watereuse.org/final-waters-of-the-united-states-rule-retains-exemption-for-water-recycling/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://watereuse.org/final-waters-of-the-united-states-rule-retains-exemption-for-water-recycling/>