Anti-dumping duty on Purified Terephthalic Acid: country- and exporter-specific tariffs applied to imports under preliminary findings. Imposition of anti-dumping duty on Purified Terephthalic Acid applies country- and exporter-specific rates for imports from the Republic of Korea, Thailand and Indonesia under the Customs Tariff and anti-dumping rules; the notification prescribes named-exporter and residual rates for Korea, specified and residual rates for Thailand, and a rate for all exporters from Indonesia, and is provisional in effect for the period ending 20 May 1998 based on the designated authority's preliminary findings.