The eThekwini municipality, the Department of Forestry, Fisheries and the Environment (DFFE) and specialists from the municipality, the department and the private sector are advising and helping chemical company UPL to clean up the spill that happened in Cornubia, Durban, following the recent unrest in KwaZulu-Natal. UPL has contracted waste management and remediation service providers and is paying all costs for the clean-up, while the environmental specialists, with help from the South African Weather Services, will conduct air dispersion modelling, as well as air quality and community exposure impact assessments to determine the impact on human health, eThekwini environmental management director Siphumelele Nowele said on July 23.