The government has launched a nationwide inspection of trash bag stockpiles amid concerns that the U.S.-Israel war on Iran could lead to supply shortages. The Ministry of Climate, Energy and Environment said Friday that it had asked local governments across the country to conduct a preemptive review of trash bag inventories after manufacturers notified authorities that they had enough raw materials to last only about a month. Trash bags are made using linear low-density polyethylene, or LLDPE, and high-density polyethylene, or HDPE, both of which are derived from naphtha, a crude oil-based feedstock. Growing uncertainty over naphtha supply linked to disruptions at the Strait of Hormuz has pushed up prices for a range of petroleum-based products. A survey by the Korea Federation of Plastics Industry Cooperatives found that the supply price of polyethylene rose by 200,000 won ($133) in March alone. Some companies were also reportedly told that the supply price of LLDPE could rise by an additional 400,000 won to 800,000 won. Local governments are believed to have enough trash bags in reserv