BS EN ISO 20079:2006
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
Hardcopy , PDF
English
16-03-2007
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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 |
| 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 20079:2006-12 | 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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