Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
Performance of portable locating leak detectors and of fixed gas detectors for all refrigerants
Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy
Foodstuffs - Determination of trace elements - Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
Ductile iron pipes, fittings and accessories - Requirements and test methods - Part 1: PE coatings
Products and systems for the protection and repair of concrete structures - Test methods - Determination of chloride content in hardened concrete
Brackets for eaves gutters - Requirements and testing
Road marking materials - Retroreflecting road studs - Part 1: Initial performance requirements
Road marking materials - Retroreflecting road studs - Part 2: Road test performance specifications
Products and systems for the protection and repair of concrete structures - Test methods - Determination of carbonation depth in hardened concrete by the phenolphthalein method
Plastics piping systems for non-pressure drainage and sewerage - Polyester resin concrete (PRC) - Part 1: Pipes and fittings with flexible joints
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