In thecontextofincreasingthreatstothesensitivemarineecosystembytoxicmetals,thisstudyin- vestigatedthemetalbuild-uponimpervioussurfacesspecific tocommercialseaports.Theknowledge generatedfromthisstudywillcontributetomanagingtoxicmetalpollutionofthemarineecosystem. The studyfoundthatinter-modaloperationsandmainaccessroadwayhadthehighestloadsfollowedby container storageandvehiclemarshallingsites…