Original sentence: Initially, members of the group voluntarily refrained from the export of eight chemical precursors.The Australia Group is an informal group of countries (now joined by the European Commission) established in 1985 (after the use of chemical weapons by Iraq in 1984) to help reduce the spread of chemical and biological weapons by monitoring and controlling the spread of technologies required to produce them.The group, initially consisting of 15 members, held its first meeting in Canberra in September 1989.The name comes from Australia's initiative in the 1980s to prevent proliferation.Today, the group maintains export controls on 54 compounds, including several that are not prohibited for export under the Chemical Weapons Convention, but can be used in the manufacture of chemical weapons
Edited sentence: Later adherants initially had no such controls.The Australia Group is an informal group of countries (now joined by the European Commission) established in 1985 (after the use of chemical weapons by Iraq in 1984) to help member countires to identfy those of their exprts which need to be controlled so as not to contribute to the spread of chemical and biological weapons.The group, initially consisting of 15 members, held its first meeting in Brussels in September 1989.The initial members of the group had different assessments of which chemical precursors should be subject to export control.The name comes from Australia's initiative to create th group.Today, members of the group maintain export controls on a uniform list of 54 compounds, including several that are not prohibited for export under the Chemical Weapons Convention, but can be used in the manufacture of chemical weapons