About: http://webisa.webdatacommons.org/362530233

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most toxicity problems pinpointed by the river basin assessments relate to high levels of nickel, zinc, cadmium, lead, mercury and other heavy metals, which probably are from industrial sources.
http://www.w3.org/ns/prov#wasQuotedFrom	texascenter.org