References
- Japan Sewage Works Association, Sewerage Statistics for 2003,
2004.
- Ministry of Land, Infrastructure and Transport, City and Regional
Development Bureau HP, Preparation of a manual of water
quality standards for treated wastewater for reuse, 2005.
- J.H.J.M. van der Graaf, Treatment matrix for reuse of upgraded
wastewater,Water Supply, 5(1) (2005) 87–94.
- Ministry of Land, Infrastructure and Transport, City and Regional
Development Bureau HP, Population coverage by conventional
and advanced wastewater treatment, 2005.