Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances in Water, Sludge, Influent, Effluent, and Wastewater by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)

See ISO/ASTM Practices 51431

The other two revised parts of the code of practice are:

ISO 19898 provides general requirements to ensure a safe recovery of persons

HyTime's time representation contains sufficient information to derive the durations of both control ("gestural") data (e

confirming the competition reaction

It is to be used in conjunction with the other parts of ISO 18185

The insulating stand-off is a non-metallic or composite component

Mercury (Hg)

a country can choose to publish documents that contain non‑contradictory complementary information that supports the Eurocode

due to associated health concerns

and provides a data feed of the static timetables

and system integration