The rest consists basically of sulphates. About 60 percent is mineral based, followed by cellulose, paper and board wastes, wood waste, municipal and wastewater treatment. In 1996, Government restricted the landfills to be placed on a firm foundation and be prevented the seepage of contaminated water. In the future, municipalities will be the major builders of waste treatment plants to fulfill the Waste Act. Composting has a significant growth potential.
Households are also a growing sector.
Large firms have strong presence in the three sectors, air pollution, water and waste management, although small firms are highly specialized and flexible. Finnish capabilities are high, especially in wastewater treatment. In water and wastewater management, Germany is the largest foreign supplier. In the market for pumps, Germany, Sweden and UK are major players. Japanese companies are viewed strong as suppliers of catalytic converters and de-No equipment.