Commission Decision terminating the investigation concerning imports of dicumyl peroxide originating in Taiwan 30 October 1989 - World Trade and Arbitration Materials View Commission Decision terminating the investigation concerning imports of dicumyl peroxide originating in Taiwan 30 October 1989 by - World Trade and Arbitration Materials Commission Decision terminating the investigation concerning imports of dicumyl peroxide originating in Taiwan 30 October 1989 2 1 World Trade and Arbitration Materials