They included various fishermen's associations, Marine Fuels Distributors' Association, Hong Kong Cargo Vessel Traders' Association and Hong Kong & Kowloon Motor Boats & Tug Boats Association.

After the seminars, the Pollution Control Unit gave a lively demonstration of marine pollution control. The guests were then invited to board the new 'Keka' type Police launch and the Fire Boat 'Elite' moored at Marine Regional Headquarters and were given a briefing on the different types of equipment on board. At the end of the event, a tea party was held in the Regional Mess during which guests exchanged views on the themes of the exercise.