About: http://webisa.webdatacommons.org/415224156

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	However, over time, the sludge accumulates because the bacteria cannot decompose the sand, grit, plastic, and other inorganic matter that also forms part of the sludge.
http://www.w3.org/ns/prov#wasQuotedFrom	redbeacon.com