About: http://webisa.webdatacommons.org/19726700

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	Some particulate solids are derived from point sources, such as sewage and industrial discharges, but this of much smaller significance.
http://www.w3.org/ns/prov#wasQuotedFrom	envcomm.act.gov.au