About: http://webisa.webdatacommons.org/96019232

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	Laboratory evidence of exposure (i.e., levels above known background levels) either through a biologic specimen (e.g., blood or urine) or environmental samples (e.g., samples of water, air, soil, or a contaminated product such as food).
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov