1. European Committee of Organic Surfactants and their Intermediates, Brussels: Methodology of anaerobic biodegradability of surfactants, oral presentation given by Katrin Schwarz at the 7th CESIO World Surfactant Congress.
2. OECD Guidelines for the Testing of Chemicals/Section 3: Degradation and Accumulation Test No. 314: Simulation Tests to Assess the Biodegradability of Chemicals Discharged in Wastewater. OECD Publishing; 2008.
3. EU Detergent Ingredients list 2007.
http://ec.europa.eu/environment/ecolabel/ecolabelled_products/categories/pdf/did_list/didlist_part_a_en.pdf
4. Fraunhofer Report “Anaerobic Degradation of Detergent Surfactants” to the EU Commission 2002.
5. Berna JL, Cassani G, Hager C-D, Rehman N, Lopez I, Schowanek D, Steber J, Taeger K, Wind T: Anaerobic biodegradation of surfactants – Scientific review. Tenside Surf Det 2007,44(No. 6):312–347.