About: http://webisa.webdatacommons.org/417642290

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	In addition other air pollutants, such as nitrogen oxides, sulfur dioxide, VOCs, and heavy metals are produced.It is not as commonly known that radioactive materials, mainly uranium and thorium, are released into the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	mcgill.ca