id	keyword
eurjchem-2458	water
eurjchem-2458	hydrocarbons
eurjchem-2458	groundwater
eurjchem-2458	organic
eurjchem-2458	concentration
eurjchem-2458	kerio
eurjchem-2458	valley
eurjchem-2458	borehole
eurjchem-2458	kv1
eurjchem-2458	oil
eurjchem-2458	kv4
eurjchem-2458	chemistry
eurjchem-2458	health
eurjchem-2458	journal
eurjchem-2458	kv3
eurjchem-2458	pahs
eurjchem-2458	european
eurjchem-2458	environ
eurjchem-2458	kv2
eurjchem-2458	polycyclic