Normas ISO

Service activities relating to drinking water supply, wastewater and stormwater systems -- Stormwater management -- Guidelines for stormwater management in urban areas

Blockchain and distributed ledger technologies -- Overview of and interactions between smart contracts in blockchain and distributed ledger technology systems

Ambient air -- Determination of asbestos fibres -- Indirect-transfer transmission electron microscopy method

Solid mineral fuels -- Determination of chlorine content

Lubricants, industrial oils and related products (Class L) -- Family D (compressors) -- Part 3: Specifications of categories DRA, DRB, DRC, DRD, DRE, DRF and DRG (lubricants for refrigerating compressors)

Personal protective equipment -- Footwear -- Test method for slip resistance