UNI EN 16421 : 2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Influence of materials on water for human consumption -
  Enhancement of microbial growth (EMG) - Method 1: Measured
  by Biomass Production Potential (BPP) measured by ATP
5 Influence of materials on water for human consumption -
  Enhancement of microbial growth (EMG) - Method 2: Measured
  by biofilm volume
6 Influence of materials on water for human consumption -
  Enhancement of microbial growth (EMG) - Method 3: Measured by
  mean dissolved oxygen depletion
Annex A (normative) - Method 1: Measured by Biomass Production
        Potential (BPP) measured by ATP - Assessment of the
        suitability of test water for its use in the BPP test
        (biological stability and the need for addition of trace
        elements)
Annex B (normative) - Method 1: Measured by Biomass Production
        Potential (BPP) measured by ATP - Protocol of ATP analysis
Annex C (informative) - Method 1: Measured by Biomass Production
        Potential (BPP) measured by ATP - ATP and its measurement
Annex D (informative) - Method 1: Measured by Biomass Production
        Potential (BPP) measured by ATP - Evaluating procedures
        for removal of attached biomass
Annex E (informative) - Method 1: Measured by Biomass Production
        Potential (BPP) measured by ATP
Annex F (informative) - Method 2: Measured by biofilm volume
Annex G (informative) - Method 2: Measured by biofilm volume
Annex H (informative) - Method 3: Measured by mean dissolved
        oxygen depletion
Bibliography

This European Standard specifies three methods for determining the ability of non-metallic materials to enhance the growth of micro-organisms.