About: http://webisa.webdatacommons.org/291856525

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, toxic chemicals such as PCBs, dioxin, and brominated flame retardants, among other chemicals, may remain in treated sludge, according to critics of the process.
http://www.w3.org/ns/prov#wasQuotedFrom	tnonline.com