Table 4. Inventory data of plastic-based single-use masks at transporation stage (based on 1 ton)

Category Transportation means Distance
Raw material transport 1 (crude oil-raw material supplier) Pipeline for crude oil transport 30 km
Raw material transport 2 (raw material supplier-manufacturing plant) 3.5-7.5 metric ton freight lorry 50 km
Product transport (manufacturing plant-sales location) 3.5-7.5 metric ton freight lorry 200 km
Waste transport (collection/sorting site-incineration facility) Municipal waste collection lorry 20 km
Waste transport (collection/sorting site-landfill) Municipal waste collection lorry 20 km