@prefix : .
@prefix cfihos: .
@prefix cfihos-v2: .
@prefix cim: .
@prefix dc: .
@prefix dcat: .
@prefix dcmitype: .
@prefix dct: .
@prefix dcterms: .
@prefix dol: .
@prefix ex: .
@prefix foaf: .
@prefix imf: .
@prefix iof-av: .
@prefix iof-core: .
@prefix lis: .
@prefix lis12: .
@prefix lis2: .
@prefix listpl: .
@prefix ntpl: .
@prefix o-docttr: .
@prefix o-imf: .
@prefix o-imf-d: .
@prefix o-imf-t-o: .
@prefix o-imf-t-s: .
@prefix o-owl-ax: .
@prefix o-owl-dec: .
@prefix o-owl-ma: .
@prefix o-owl-re: .
@prefix o-owl-rstr: .
@prefix o-owl-ut: .
@prefix o-rdf: .
@prefix o-rdfs: .
@prefix obo: .
@prefix om: .
@prefix orcid: .
@prefix ottr: .
@prefix owl: .
@prefix pav: .
@prefix pca: .
@prefix pca-dom: .
@prefix pca-metadata: .
@prefix pca-plm: .
@prefix plmtpl: .
@prefix prov: .
@prefix qudt: .
@prefix rdf: .
@prefix rdfs: .
@prefix rdl: .
@prefix rds: .
@prefix req: .
@prefix reqtpl: .
@prefix rrdl: .
@prefix rstr: .
@prefix sd: .
@prefix sh: .
@prefix shacl: .
@prefix skos: .
@prefix ssn: .
@prefix sym: .
@prefix time: .
@prefix vann: .
@prefix void: .
@prefix vs: .
@prefix xml: .
@prefix xsd: .
rdf:type imf:AttributeType , owl:DatatypeProperty;
rdfs:isDefinedBy ;
imf:predicate ;
skos:definition "IEC 60721-3-4 defines the levels of chemical exposure (classified as C1, C2, C3, and C4) based on the concentration and nature of chemically active substances in the environment.";
skos:prefLabel "CHEMICALLY_ACTIVE_SUBSTANCES_CLASS" .