Regional Agency for Environmental Protection in Emilia-Romagna View Institution's Website 1 article published in JoVE Biology Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana Loredana Manfra1, Federica Savorelli2, Marco Pisapia1, Erika Magaletti1, Anna Maria Cicero1 1Department of Environmental Quality Monitoring, Institute for Environmental Protection and Research, 2Regional Agency for Environmental Protection in Emilia-Romagna This study concerns the development and standardization of a valuable methodological protocol to determine long-term (14 days) lethal toxicity exerted by chemical substances, industrial wastewater or sewage and liquid environmental samples on the saltwater crustacean, Artemia franciscana.