International Guidelines
UK
Department for Environment Food and Rural Affairs (DEFRA)
Sewage in the environment
www.defra.gov.uk/environment/water/quality/sewage/default.htm
Safe Sludge Matrix
Anon (2001) 'The Safe Sludge Matrix. Guidelines for the Application of Sewage Sludge to Agricultural Land.' British Retail Consortium. Water UK. Agricultural, Development and Advisory Service.
www.adas.co.uk/news/publications.html?podlet_id=42&article_id=52#
or
www.assuredproduce.co.uk/_code/common/item.asp?id=4033093
USA
United States Environmental Protection Agency (USEPA) Office of Wastewater Management
www.epa.gov/owm/mtb/biosolids/index.htm
USEPA homepage. This website includes the USEPA reference rule "CFR Part 503" for biosolids.
National Biosolids Partnership's environmental management system (EMS) for biosolids program
www.biosolids.org/ems_main.asp?sectionid=48
The City of Los Angeles Biosolids Environmental Management System
www.lacity.org/san/biosolidsems/index.htm
Ontario, Canada
Draft: Guide for the Beneficial Use of Non-Agricultural Source Materials on Agricultural Land.
www.ene.gov.on.ca/envision/env_reg/er/documents/2004/PA04E0008.pdf
or
www.ene.gov.on.ca/envregistry/023262ep.htm
EUROPA
Sewage Sludge Directive 86/278/EEC
http://europa.eu.int/comm/environment/waste/sludge/
or
Council Directive 86/27/EEC
