Anti-dumping duty imposed on flexible slabstock polyol, varying by producer and origin to address injurious dumped imports. Imposition of definitive anti-dumping duty on Flexible Slabstock Polyol (molecular weight 3000-4000) imported from Saudi Arabia and the United Arab Emirates, based on findings of dumping, material injury to domestic industry, and causation. The notification prescribes producer- and origin-specific duty rates in foreign currency per metric unit, directs use of government exchange-rate notifications with the bill of entry date as the relevant date, and levies the duty for a five-year statutory period subject to earlier revocation, with a specified terminal date provided by amendment.