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Home / Collections / Medium codes / Schema json
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Medium codes

Schema

Name Title Type Units Values Description
geometry geometry
id string
The medium code is the 3-character alpha code that identifies the material type and quality-assurance type of the sample. The first character of the code is the \"super\" medium, which describes the primary matrix of the sample. The second character is the sub-medium, which characterizes the sample type as a unique entity within the \"super\" medium category. The third character is used to designate whether a sample is an environmental or QC sample. A blank in position three denotes an environmental sample; a \"Q\" in position three denotes a QC sample.
medium_name string
The medium name is a short identifying appellation that explains the associated medium code. See qwmed for examples of codes, names, and descriptions.
medium_description string
The medium description is a short string of words that explains the associated medium code. See qwmed for examples of codes, names, and descriptions.
legacy_medium_code string
Historical 1-char medium code that corresponds to the 3-char code.