PREN 16421 : DRAFT 2012

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 ATP
5 Influence of materials on water for human
  consumption - Enhancement of microbial
  growth (EMG) - Method 2: Measured by
  biomass 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) - 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) - Protocol of ATP analysis
Annex C (informative) - ATP and its measurement
Annex D (informative) - Evaluating procedures for
        removal of attached biomass
Annex E (informative) - Flow diagram of the test
        procedure - ATP
Annex F (informative) - Flow diagram of the test
        procedure - Biomass volume
Annex G (informative) - Flow diagram of the test
        procedure - Mean dissolved oxygen
        depletion
Bibliography

Defines procedures for determining the ability of non-metallic materials to promote the growth of microorganisms.