This workshop provided a demonstration of carrageenan analytical methods recently developed during the AID project. It consisted of five full days in the Silliman University Marine Laboratory. The number of participants was ten, coming from the Philippine seaweed industry, government agencies and college and university teachers. Tissue printing carrageenan electrophoresis and carrageenase bacterial culture and activity detection were demonstrated by Fraulein Cabanag and Dr. Vreeland, Dr. Vreeland lectured for 4-5 hours o these subjects.