About: http://webisa.webdatacommons.org/32771793

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	AL=Action Level-!e concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow.
http://www.w3.org/ns/prov#wasQuotedFrom	state.ma.us