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EN ISO 20079:2006

Current
Current

The latest, up-to-date edition.

Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)
Published date

09-06-2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Apparatus
7 Reagents
8 Test organisms
9 Stock cultures and pre-cultures
10 Procedure
11 Validity criteria
12 Expression of results
13 Estimation of EC(r)[x] values for frond number
   and the second observation parameter
14 Documentation of results
15 Precision
16 Test report
Annex A (informative) Preparation of the nutrient media
Annex B (informative) Measurement of the lowest
        ineffective dilution (LID) of a waste water -
        A simplified evaluation for testing of waste water
Annex C (informative) Suppliers of Lemna species
Bibliography

ISO 20079:2005 specifies a method for the determination of the growth-inhibiting response of duckweed (Lemna minor) to substances and mixtures contained in water, treated municipal wastewater and industrial effluents.

Committee
CEN/TC 230
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

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S.R. CEN/TR 17105:2017 CONSTRUCTION PRODUCTS - ASSESSMENT OF RELEASE OF DANGEROUS SUBSTANCES - GUIDANCE ON THE USE OF ECOTOXICITY TESTS APPLIED TO CONSTRUCTION PRODUCTS
S.R. CEN/TR 16110:2010 CHARACTERIZATION OF WASTE - GUIDANCE ON THE USE OF ECOTOXICITY TESTS APPLIED TO WASTE
FD CEN/TR 16110 : 2011 FD CHARACTERIZATION OF WASTE - GUIDANCE ON THE USE OF ECOTOXICITY TESTS APPLIED TO WASTE
UNE-CEN/TR 16110:2011 IN Characterization of waste - Guidance on the use of ecotoxicity tests applied to waste
CEN/TR 16110:2010 Characterization of waste - Guidance on the use of ecotoxicity tests applied to waste

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
NFT 90 337 : 96 XP TESTING WATER - DETERMINATION OF THE INHIBITORY EFFECT ON THE GROWTH OF LEMNA MINOR
ISO/TS 20281:2006 Water quality — Guidance on statistical interpretation of ecotoxicity data
ISO 5667-16:2017 Water quality — Sampling — Part 16: Guidance on biotesting of samples
ISO 10260:1992 Water quality — Measurement of biochemical parameters — Spectrometric determination of the chlorophyll-a concentration

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