BS EN 1568-4:2018 Fire extinguishing media. Foam concentrates. Specification for low expansion foam concentrates for surface application to water-miscible liquids
EN 1568-1 Fire extinguishing media - Foam concentrates - Part 1: Specification for medium expansion foam concentrates for surface application to water-immiscible liquids
EN 1568-2 Fire extinguishing media - Foam concentrates - Part 2: Specification for high expansion foam concentrates for surface application to water-immiscible liquids
EN 1568-3 Fire extinguishing media - Foam concentrates - Part 3: Specification for low expansion foam concentrates for surface application to water-immiscible liquids
EN 2 Classification of fires Incorporates Amendment A1: 2004
EN ISO 11348-2 Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria - Amendment 1 (ISO 11348-2:2007/Amd 1:2018)*, 2018-12-19 Update
EN ISO 23753-1 Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) - Amendment 1 (ISO 23753-1:2019/Amd 1:2020)*, 2020-11-04 Update
EN ISO 3104 Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity (ISO 3104:2023)*, 2023-11-22 Update
EN ISO 3696 Water for Analytical Laboratory Use- Specification and Test Methods (ISO 3696 : 1987)
EN ISO 5764 Milk - Determination of freezing point - Thermistor cryoscope method (Reference method)
EN ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories
ISO 11348-2 Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 2: Method using liquid-dried bacteria — Amendment 1*, 2018-12-03 Update
ISO 23753-1 Soil quality — Determination of dehydrogenases activity in soils — Part 1: Method using triphenyltetrazolium chloride (TTC) — Amendment 1*, 2020-10-01 Update
ISO 304 Surface active agents - Determination of surface tension by drawing up liquid films; Technical Corrigendum 1
ISO 3104 Petroleum products — Transparent and opaque liquids — Determination of kinematic viscosity and calculation of dynamic viscosity*, 2023-10-01 Update
ISO 3219:1993 Plastics; polymers/resins in the liquid state or as emulsions or dispersions; determination of viscosity using a rotational viscometer with defined shear rate
ISO 3310-1 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 3734 Petroleum products - Determination of water and sediment in residual fuel oils - Centrifuge method
ISO 5764 Milk — Determination of freezing point — Thermistor cryoscope method (Reference method)
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories
BS EN 1568-4:2018 history
2018BS EN 1568-4:2018 Fire extinguishing media. Foam concentrates. Specification for low expansion foam concentrates for surface application to water-miscible liquids
2008BS EN 1568-4:2008 Fire extinguishing media — Foam concentrates — Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids