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WATER QUALITY - DETERMINATION OF THE TOXIC EFFECT OF WATER CONSTITUENTS AND WASTE WATER ON DUCKWEED (LEMNA MINOR) - DUCKWEED GROWTH INHIBITION TEST

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2006

Publisher

National Standards Authority of Ireland

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For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

Defines 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.

DocumentType	Standard
Pages	34
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
ISO 20079:2005	Identical
DIN EN ISO 20079 E : 2006	Identical
EN ISO 20079:2006	Identical
DIN EN ISO 20079:2006-12	Identical
UNI EN ISO 20079 : 2006	Identical
BS EN ISO 20079:2006	Identical
UNE-EN ISO 20079:2007	Identical