About: http://webisa.webdatacommons.org/295487528

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	If you let me know the substance, I may be able to look it up.Knowing the density, you can convert from tons, to a volume such as cubic yards.
http://www.w3.org/ns/prov#wasQuotedFrom	onlineconversion.com