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Wastewater treatment plants - Part 8: Sludge treatment and storage
90.92 Standard to be revised
Wastewater treatment plants - Part 8: Sludge treatment and storage
60.55 Ratification completed (DOR)
Wastewater treatment plants - Part 9: Odour control and ventilation
60.60 Standard published
Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanks
60.60 Standard published
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
50.60 Close of voting. Proof returned by secretariat
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
50.60 Close of voting. Proof returned by secretariat
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
60.60 Standard published
Small wastewater treatment systems for up to 50 PT - Part 4: Septic tanks assembled in situ from prefabricated kits
60.60 Standard published
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent
60.60 Standard published
Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment units
60.60 Standard published
Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
90.93 Standard confirmed
Plastics - Evaluation of disposability in waste water treatment plants - Test scheme for final acceptance and specifications
90.93 Standard confirmed
Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984)
90.93 Standard confirmed
Water quality - Determination of dissolved oxygen - Iodometric method (ISO 5813:1983)
90.93 Standard confirmed
Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986)
90.93 Standard confirmed
Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986)
90.93 Standard confirmed
Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
90.93 Standard confirmed