A bill to extend the existing suspension of duty on methyl and ethyl parathion and dimethoate.

Amends the Harmonized Tariff Schedule of the United States to extend, through December 31, 1994, the suspension of duty on: (1) 0,0-diethyl-0-(4-nitrophenyl) phosphorothioate (also known as ethyl parathion); (2) 0,0-dimethyl-0-(4-nitrophenyl) phosphorothioate (also known as methyl parathion); and (3) 0,0-dimethyl-s-methylcarbamoylmethyl phosphorodithioate (also known as dimethoate).