GSO ISO 8689-2:2013
ISO 8689-2:2000
Gulf Standard
Current Edition
·
Approved on
01 April 2013
Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates
GSO ISO 8689-2:2013 Files
English
5 Pages
Current Edition
Reference Language
20.74 OMR
GSO ISO 8689-2:2013 Scope
This part of ISO 8689 gives guidance on the presentation of biological quality data relating to running waters from surveys of benthic macroinvertebrates. The guidance is applicable to the results of surveys using standard methods of sampling and using the classification procedures given in ISO 8689-1. It is recognized that for a complete assessment of ecological status other elements of biological quality should be assessed.
NOTE An explanation of the comparison of different indices used in the analysis of surveys of benthic macroinvertebrates is given in ISO 8689-1.
Best Sellers From Chemical and Textile Sector
OS GSO 1943:2024
GSO 1943:2024
Omani Standard
Cosmetic Products – Safety Requirements of Cosmetics and Personal Care Products


GSO 1943:2024
Gulf Technical Regulation
Cosmetic Products – Safety Requirements of Cosmetics and Personal Care Products

GSO 151:2022
Gulf Standard
Synthetic Detergents –Household Synthetic Detergents Powder

OS GSO 151:2022
GSO 151:2022
Omani Standard
Synthetic Detergents –Household Synthetic Detergents Powder


Recently Published from Chemical and Textile Sector
OS 1659:2025
Omani Standard
Traditional Oman Ships

OS 1654:2025
Omani Standard
Cosmetics - Henna Paste for Adornment

GSO 1226:2002
Gulf Standard
Methods of testing liquid foam concentrates for fire extinguishing .

GSO 1240:2002
Gulf Standard
Methods of test for sulphur determination of carbonate content
