About: http://webisa.webdatacommons.org/323924913

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	A test kit or other device that accurately measures the parts per million concentration of solution shall be available and used.
http://www.w3.org/ns/prov#wasQuotedFrom	dupagehealth.org