Regulation 5 Minimum performance criteria for methods of analysisI1

the minimum performance criteria for all methods of analysis applied are based on uncertainty of measurement of 50% or below (k = 2) estimated at the level of relevant environmental quality standards and a limit of quantification equal or below a value of 30% of the relevant environmental quality standards; and

in the absence of relevant environmental quality standard for a given parameter, or in the absence of a method of analysis meeting the minimum performance criteria set out in paragraph (a), that monitoring is carried out using best available techniques not entailing excessive costs.