Environmental conditions, treatments and exposures ontology	Material Compound	Source
http://sweet.jpl.nasa.gov/2.3/matrCompound.owl#InorganicAcid	http://purl.obolibrary.org/obo/CHEBI_138103	LOOM
http://sweet.jpl.nasa.gov/2.3/matrCompound.owl#Perchlorate	http://purl.obolibrary.org/obo/CHEBI_49706	LOOM