gaseous substances

amount or concentration of substances such as hydrogen sulfide, carbon dioxide, methane, etc.; can include multiple substances

MIxS term

This term is part of the Minimum Information about any Sequence (MIxS) standard.

Identifier: https://w3id.org/mixs/0000661

Syntax	Example	Unit
{number}	5 µmol/L	µmol/L

Used in packages

Level	Package	Requirement
Sample	wastewater sludge	optional