Road dust samples from each study site were collected using a dry and wet vacuuming system. The area demarcated for sample collection was initially vacuumed in a dry state using a vacuum cleaner (Delonghi Aqualand brand) with a water filtration system.
Road dust samples from each study site were collected using adry and wet vacuuming system. The area demarcated for samplecollection was initially vacuumed in a dry state using a vacuumcleaner (Delonghi Aqualand brand) with a water filtration system.