About: http://webisa.webdatacommons.org/98449639

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	These situations would primarily be when there is a low-impact contaminant without environmental, health, or product quality impacts present in concentrations above those found in traditional raw materials.
http://www.w3.org/ns/prov#wasQuotedFrom	federalregister.gov