Article 1 Member States shall take all measures necessary to ensure that the analyses necessary for verification of the criteria set out in Annex I are carried out in accordance with the methods described in Annex II.
Article 2 Where alternative methods for a single determination are specified, the sample may be analysed by either method. The test report referred to in Annex II must state the method which has been employed.
Article 3 Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive within 18 months of its notification. They shall forthwith inform the Commission thereof.
Article 4 This Directive is addressed to the Member States.
Done at Brussels, 13 November 1979.
For the Commission
Étienne Davignon
Member of the Commission