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

03-16-2007

Publisher

British Standards Institution

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

Provides 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	EH/3/5
DevelopmentNote	Also numbered as BS 6068-5.39(2005). Renumbers and supersedes BS ISO 20079. 2006 version incorporates amendment 17054 to BS ISO 20079. Supersedes 03/315968 DC. (03/2007)
DocumentType	Standard
Pages	34
PublisherName	British Standards Institution
Status	Current
Supersedes	BS ISO 20079 : 2005 AMD 17054 03/315968 DC : DRAFT SEP 2003

Standards	Relationship
EN ISO 20079:2006	Identical
NS EN ISO 20079 : 1ED 2007	Identical
NBN EN ISO 20079 : 2006	Identical
NEN EN ISO 20079 : 2006	Identical
SN EN ISO 20079 : 2006	Identical
UNI EN ISO 20079 : 2006	Identical
ISO 20079:2005	Identical
I.S. EN ISO 20079:2006	Identical
NF EN ISO 20079 : 2006	Identical
UNE-EN ISO 20079:2007	Identical
DIN EN ISO 20079 E : 2006	Identical
DIN EN ISO 20079:2006-12	Identical

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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BS EN ISO 20079:2006

Water quality. Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor). Duckweed growth inhibition test

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

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