About: http://webisa.webdatacommons.org/397533070

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 values are not valid for other types of media, nor do concentrations above these values indicate that a health risk actually exists.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov