City Of Ekurhuleni has published the appointment of a service provider for the maintenance, upgrading, calibration, data collection, data verification and data reporting of five (5) ambient air quality monitoring stations and repairs to all ten (10) ambient air quality monitoring stations in the city of ekurhuleni on as and when required basis from date of award until 30 june 2028., ekurhuleni. Bidders can get complete Tender details and download the document.