Meanwhile , the CRC has been evaluating further notifications of endosulfan . Endosulfan is recognized as one of the twenty-one high-priority compounds identified by UNEP-GEF ( United Nations Environment Programme - Global Environment Facility ) during the Regional Evaluation of Persistent Toxic Substances ( STP ) , 2002 . These reports have taken into account the magnitude of usage , environmental levels and effects for human beings and for the environment of this compound .