Council Directive of 12 June 1986 on the protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture (86/278/EEC)

3. Subject to the provisions of paragraph 4, analysis should cover the following parameters: U.K.

• dry matter, organic matter,

• pH,

• nitrogen and phosphorus,

• cadmium, copper, nickel, lead, zinc, mercury, chromium.